CN106793248A - A kind of LED energy-conservations driving method - Google Patents
A kind of LED energy-conservations driving method Download PDFInfo
- Publication number
- CN106793248A CN106793248A CN201611042544.XA CN201611042544A CN106793248A CN 106793248 A CN106793248 A CN 106793248A CN 201611042544 A CN201611042544 A CN 201611042544A CN 106793248 A CN106793248 A CN 106793248A
- Authority
- CN
- China
- Prior art keywords
- led
- light emitting
- user
- power switch
- information
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 24
- 238000004134 energy conservation Methods 0.000 title claims abstract description 9
- 230000002123 temporal effect Effects 0.000 claims description 19
- 230000007613 environmental effect Effects 0.000 claims description 13
- 238000005286 illumination Methods 0.000 claims description 6
- 230000008859 change Effects 0.000 description 10
- 238000011897 real-time detection Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000001154 acute effect Effects 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of LED energy-conservations driving method, driving method determines the light emitting control parameter of LED according to lighting environment information, current time and user's lighting demand；According to the light emitting control parameter determination control signal, input signal is produced according to control signal, drive signal is produced according to input signal.This method can intelligently meet user's request, and improve the efficiency of LED.
Description
Art
The present invention relates to light emitting diode field, and in particular to a kind of LED energy-conservations driving method.
Background technology
The energy resource consumption of current flood tide and the energy shortage, the rise in price that thus cause etc. have caused energy saving as one
The very urgent task of item.Greatly it is used to illuminate in the energy of various countries' consumption.
The application of the solid-state light emitting element of light emitting diode (Light Emitting Diode, LED) this type has been got over
Come more extensive, indicator lamp in the light source module in display panel, the lighting device in daily life, public space etc. is all such as
Gradually popularly using light emitting diode as illuminating source.
However, the control of LED array brightness is not simple.In fact, human eye has logarithm for the rate of change of light
The response of type.Therefore, linear brightness is such as perceived as by human eye changes to obtain, using the letter for following exponential law
Number drive LED.
By PWM light regulating technologies, thus it is possible to vary the brightness of LED, so that save energy.But existing light regulating technology changes
It is not also too perfect to become LED brightness, without the influence for considering many factors completely.Extraneous factor is received in the brightness change of LED
Influence it is too violent, change is rapid, and the brightness for not accounting for acute variation changes injury to human eye；Also it is exactly LED
Brightness change is affected by environment larger, the scope without the brightness change of limitation LED, causes LED service life to greatly reduce
With unnecessary energy waste.
Additionally, the control device that LED drives at present has that intelligence degree is low, controls.
The content of the invention
To solve the above problems, the present invention provides a kind of LED energy-conservations driving method, with it, solving LED drivings
Intelligence degree is low, and dimming behavior is poor, degree of power conservation problem not high.The driving of the method more optimizes, and effectively reduces
Circuit cost.The method passes through offset voltage to correct the lower limit, so that the change of level is realized together with power switch pipe
Step, improves the switching speed of drive module, improves the work efficiency of LED.The method is tied by real-time detection lighting environment
User's request is closed, light emitting control parameter is determined, the accurate light modulation between different brightness is realized, the light that can precisely meet user makes
Use demand.
To achieve these goals, the present invention provides a kind of LED energy-conservations driving method, and driving method is according to illumination ring
Environment information, current time and user's lighting demand, determine the light emitting control parameter of LED；It is true according to the light emitting control parameter
Determine control signal, input signal is produced according to control signal, drive signal is produced according to input signal.
Preferably, the light emitting control parameter includes colour temperature.
Preferably, it is described according to lighting environment information, current time and user's lighting demand, determine that light emitting control is joined
Number, including：
According to the temporal information, external environmental information and user's lighting demand that determine, the first pre-set list is inquired about, it is determined that
The color temperature parameters of LED, wherein, first pre-set list includes：Temporal information, external environmental information and user's lighting demand
With the corresponding relation of color temperature parameters.
Preferably, it is described according to temporal information, external environmental information and user's lighting demand, determine that light emitting control is joined
Number, also includes：
According to the temporal information and the color temperature parameters, the second pre-set list is inquired about, determine the brightness ginseng of the LED
Number, second pre-set list includes：The corresponding relation of temporal information, color temperature information and illumination brightness.
Preferably, the driving method also comprises the following steps, drives LED to reach certain luminance by drive module
Degree, wherein the drive module includes power switch pipe, the power switch pipe controls it to turn on by a drive module control unit
Or cut-off, if power switch pipe level is more than a setting higher limit, described control unit is suitable to close power switch pipe, if work(
Rate switching tube level is less than a preset lower limit, then described control unit is suitable to open power switch pipe；The drive module control
Imbalance biasing circuit is additionally provided with unit processed, the imbalance biasing circuit produces offset voltage, to correct the lower limit, by repairing
The conducting voltage of the positive effective corrected output switching tube of lower limit energy, improves the switching speed of drive module, improves driving mould
The operating efficiency of block.
The invention has the advantages that：(1) solve LED drive intelligence degree it is low, dimming behavior is poor, and degree of power conservation is not
Problem high；(2) drive module more optimizes, and effectively reduces circuit cost；And it is described to correct by offset voltage
Lower limit, so that the change of level is synchronous with power switch pipe realization, improves the switching speed of drive module, improves LED's
Work efficiency；(3) by real-time detection lighting environment, and user's request is combined, determines light emitting control parameter, realize different brightness
Between accurate light modulation, can precisely meet the light use demand of user.
Brief description of the drawings
Fig. 1 shows a kind of block diagram of efficient LED driving power source system of the invention；
Fig. 2 shows a kind of flow chart of LED energy-conservations driving method.
Specific embodiment
Fig. 1 shows a kind of efficient LED driving power source system 10, and the system 10 includes：
Lighting environment detection module 11, for obtaining LED illumination environmental information in real time；The lighting environment detection module 11
Using photo controller PS-001.Drive module 13, line translation is entered by civil power, for driving LED to light.Light-adjusting module 12, uses
According to lighting environment or user's request, the luminosity to LED is adjusted；Control module 14, coordinates and control driving power supply
System modules.
Wherein, the light-adjusting module 12 includes signal generating circuit, the first light adjusting circuit and the second light adjusting circuit；Signal
Produce circuit to produce drive signal according to input signal, and drive signal is switched between multiple states according to switching signal；
First light adjusting circuit produces dim signal, dim signal to be used to adjust the brightness of LED according to drive signal；When drive signal is by more
When the first state of individual state switches to the second state, the corresponding dim signal that changes of the first light adjusting circuit is so that the brightness of LED
It is the second brightness by the first brightness adjustment；Second light adjusting circuit according to control signal adjust input signal and adjust dim signal with
Make the brightness of LED between the first brightness and minimum brightness, or between the second brightness and minimum brightness.
The drive module 13 includes alternating current-direct current rectification circuit, for electric main to be converted to the straight of certain voltage
Stream electricity；The alternating current-direct current rectification circuit include be sequentially connected over-current protecting unit, common mode inhibition unit, full-bridge rectification unit with
And differential mode suppresses unit.
The drive module 13 include current sampling circuit, voltage sampling circuit, bleeder circuit, operational amplification circuit and
Spacing output circuit.
The drive module 13 also includes power switch pipe, and the power switch pipe controls it to turn on or cut by a control unit
Only, the drive module is provided with time-sharing multiplex end, i.e. CS/ZCD ends；When the time-sharing multiplex end is used as CS ends, if CS level
Higher limit is set more than one, then described control unit is suitable to close power switch pipe, or during as ZCD ends, if ZCD level is less than
One preset lower limit, then described control unit be suitable to open power switch pipe；And imbalance is additionally provided with described control unit partially
Circuits, the imbalance biasing circuit produces offset voltage, to correct the lower limit, can effectively be corrected by correcting lower limit
The conducting voltage of power switch pipe, so that the change of ZCD level is synchronous with power switch pipe realization, improves the switch of drive module
Speed, improves the operating efficiency of drive module.
The control module 14 includes：Information determination unit, is configured to determine that the external environment condition letter of current time and LED
Breath；
Control parameter determining unit, is configured as, according to the current time and external environmental information, determining light emitting control
Parameter, the light emitting control parameter includes colour temperature；
Transmitting element, is configured as the light emitting control parameter being sent to the light-adjusting module so that the LED according to
The light emitting control parameter lights.
The control parameter determining unit includes：
First parameter determination subelement, is configured as according to temporal information, the external environmental information for determining, inquiry first is pre-
List is put, the color temperature parameters of LED are determined, wherein, first pre-set list includes：Temporal information, external environmental information and color
The corresponding relation of warm parameter.
The control parameter determining unit also includes：
Second parameter determination subelement, is configured as according to the temporal information and the color temperature parameters, and inquiry second is pre-
List is put, the luminance parameter of the LED is determined, second pre-set list includes：Temporal information, color temperature information and light illuminate
The corresponding relation of degree.
Signal generating circuit produces drive signal according to the light emitting control parameter, and according to photo controller PS-001's
The illumination information that real-time detection is arrived, makes drive signal switch between multiple states.
First light adjusting circuit according to drive signal produce dim signal, dim signal be provided to LED with
Adjust the brightness of LED.
Signal generating circuit includes filter circuit, voltage generation circuit and multisection type switching circuit.
Fig. 2 shows a kind of flow chart of LED energy-conservations driving method, and the driving method comprises the following steps：
S1. real-time detection lighting environment information and current time is determined；
S2. according to lighting environment information, current time and user's lighting demand, the light emitting control parameter of LED is determined；
S3. according to the light emitting control parameter determination control signal, input signal is produced according to control signal, according to input
Signal produces drive signal；
S4. dim signal, dim signal is produced to be used to adjust the brightness of LED according to drive signal.
Preferably, in S4, drive signal switches according to switching signal between multiple states, wherein when drive signal by
When the first state of multiple states switches to the second state, the corresponding change of dim signal is so that the brightness of LED is by the first brightness
It is adjusted to the second brightness；Wherein dim signal is adjusted so that the brightness of LED is situated between more as control signal adjusts input signal
Between the first brightness and minimum brightness, or between the second brightness and minimum brightness.
Preferably, in S4, the second luminance patterns can be switched to from the first luminance patterns, or switch from the first luminance patterns
To the 3rd luminance patterns, or the first luminance patterns can be switched to from the 4th luminance patterns, that is to say, that welcome to cut
Change luminance patterns.
Preferably, in the S2, the light emitting control parameter includes colour temperature.
Preferably, it is described according to lighting environment information, current time and user's lighting demand in S2, it is determined that luminous
Control parameter, including：
According to the temporal information, external environmental information and user's lighting demand that determine, the first pre-set list is inquired about, it is determined that
The color temperature parameters of LED, wherein, first pre-set list includes：Temporal information, external environmental information and user's lighting demand
With the corresponding relation of color temperature parameters.
Preferably, it is described according to temporal information, external environmental information and user's lighting demand, determine that light emitting control is joined
Number, also includes：
According to the temporal information and the color temperature parameters, the second pre-set list is inquired about, determine the brightness ginseng of the LED
Number, second pre-set list includes：The corresponding relation of temporal information, color temperature information and illumination brightness.
Preferably, the driving method also comprises the following steps, drives LED to reach certain luminance by drive module
Degree, wherein the drive module includes power switch pipe, the power switch pipe controls it to turn on by a drive module control unit
Or cut-off, if power switch pipe level is more than a setting higher limit, described control unit is suitable to close power switch pipe, if work(
Rate switching tube level is less than a preset lower limit, then described control unit is suitable to open power switch pipe；The drive module control
Imbalance biasing circuit is additionally provided with unit processed, the imbalance biasing circuit produces offset voltage, to correct the lower limit, by repairing
The conducting voltage of the positive effective corrected output switching tube of lower limit energy, improves the switching speed of drive module, improves driving mould
The operating efficiency of block.
Preferably, in S2, user's request is obtained in the following way：
Set in control module and provide the user human-computer interaction interface, preset and store the specific of various contextual models
Parameter information, contextual model includes：Day mode and Night, or leisure patterns and mode of operation etc..Different mode
Parameter value is different, it is possible to achieve different effects, to meet use demand of the user under different scenes；In each mode,
The parameter type that can be set includes：Headlamp switch control parameter, lamplight brightness and color control parameter and other relevant controls
Parameter；
User is using mobile scanning terminal and link control module, and specific Connection Step is as follows：Customer mobile terminal passes through
All of LED device near BLE Mode scans, the UUID characteristic value automatic decision LEDs in the control module of LED device
Light device is simultaneously attached；
Mobile terminal sends light use demand by bluetooth approach to the control module of LED light device.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
Specific implementation of the invention is confined to these explanations.For general technical staff of the technical field of the invention,
On the premise of not departing from present inventive concept, some equivalent substitutes or obvious modification are made, and performance or purposes are identical, all should
It is considered as belonging to protection scope of the present invention.
Claims (5)
1. a kind of LED energy-conservations driving method, driving method illuminates need according to lighting environment information, current time and user
Ask, determine the light emitting control parameter of LED；According to the light emitting control parameter determination control signal, produced according to control signal defeated
Enter signal, drive signal is produced according to input signal.
2. the method for claim 1, it is characterised in that the light emitting control parameter includes colour temperature.
3. method as claimed in claim 2, it is characterised in that described according to lighting environment information, current time and user
Lighting demand, determines light emitting control parameter, including：
According to the temporal information, external environmental information and user's lighting demand that determine, the first pre-set list is inquired about, determine LED
Color temperature parameters, wherein, first pre-set list includes：Temporal information, external environmental information and user's lighting demand with
The corresponding relation of color temperature parameters.
4. method as claimed in claim 3, it is characterised in that described according to temporal information, external environmental information and user
Lighting demand, determines light emitting control parameter, also includes：
According to the temporal information and the color temperature parameters, the second pre-set list is inquired about, determine the luminance parameter of the LED, institute
Stating the second pre-set list includes：The corresponding relation of temporal information, color temperature information and illumination brightness.
5. method as claimed in claim 4, it is characterised in that the driving method also comprises the following steps, by drive module
LED is driven to reach certain luminosity, wherein the drive module includes power switch pipe, the power switch pipe is driven by one
Module control unit controls its on or off, if power switch pipe level is more than a setting higher limit, described control unit
It is suitable to close power switch pipe, if power switch pipe level is less than a preset lower limit, described control unit is suitable to open work(
Rate switching tube；Imbalance biasing circuit is additionally provided with the drive module control unit, the imbalance biasing circuit produces offset voltage,
To correct the lower limit, by correcting the conducting voltage of the effective corrected output switching tube of lower limit energy, drive module is improved
Switching speed, improve the operating efficiency of drive module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611042544.XA CN106793248B (en) | 2016-11-24 | 2016-11-24 | A kind of LED energy conservation driving method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611042544.XA CN106793248B (en) | 2016-11-24 | 2016-11-24 | A kind of LED energy conservation driving method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106793248A true CN106793248A (en) | 2017-05-31 |
| CN106793248B CN106793248B (en) | 2019-02-15 |
Family
ID=58974831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611042544.XA Expired - Fee Related CN106793248B (en) | 2016-11-24 | 2016-11-24 | A kind of LED energy conservation driving method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106793248B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645805A (en) * | 2017-09-23 | 2018-01-30 | 苏州思创源博电子科技有限公司 | A kind of LED high effective controlling lights control method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104968119A (en) * | 2015-07-14 | 2015-10-07 | 常州顶芯半导体技术有限公司 | LED drive module with detuning compensation, drive circuit and working method |
| CN204845696U (en) * | 2015-08-19 | 2015-12-09 | 上海源悦汽车电子股份有限公司 | Control system of day portable lighter |
| CN105792419A (en) * | 2016-03-30 | 2016-07-20 | 北京小米移动软件有限公司 | Method and device used for intelligently adjusting light |
| CN105792413A (en) * | 2016-03-10 | 2016-07-20 | 深圳市通普科技有限公司 | Intelligent drive control system for LED and lamp |
-
2016
- 2016-11-24 CN CN201611042544.XA patent/CN106793248B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104968119A (en) * | 2015-07-14 | 2015-10-07 | 常州顶芯半导体技术有限公司 | LED drive module with detuning compensation, drive circuit and working method |
| CN204845696U (en) * | 2015-08-19 | 2015-12-09 | 上海源悦汽车电子股份有限公司 | Control system of day portable lighter |
| CN105792413A (en) * | 2016-03-10 | 2016-07-20 | 深圳市通普科技有限公司 | Intelligent drive control system for LED and lamp |
| CN105792419A (en) * | 2016-03-30 | 2016-07-20 | 北京小米移动软件有限公司 | Method and device used for intelligently adjusting light |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107645805A (en) * | 2017-09-23 | 2018-01-30 | 苏州思创源博电子科技有限公司 | A kind of LED high effective controlling lights control method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106793248B (en) | 2019-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103974503B (en) | Colour temperature in regulation Dimmable LED illumination system | |
| CN104470159A (en) | LED lighting system | |
| CN201310774Y (en) | LED illuminating system capable of adjusting color temperature | |
| CN103929852A (en) | LED lamp with light and color capable of being adjusted | |
| CN109302768A (en) | A kind of brightness-adjusting of LED light source and the device of colour temperature | |
| CN101657051A (en) | Light modulating device for light emitting diode, light modulating method related thereto and light emitting device related thereto | |
| CN103874298A (en) | LED light-emitting device achieving color and light adjustment through light regulator and method | |
| CN106658832B (en) | A kind of LED power dimming controlling method | |
| JP4416636B2 (en) | LED lighting control device | |
| CN106793249B (en) | A kind of efficient LED driving power source system | |
| CN104684219B (en) | LED lighting device and drive circuit | |
| CN109548240A (en) | A kind of controller and its control method of programmable automatic constant LED illuminance | |
| WO2013177757A1 (en) | Led light adjustment driver and led light source system | |
| CN108012367B (en) | A kind of PWM light-dimming method of LED | |
| CN103634967A (en) | Photoelectric intelligent adjustable LED panel lamp and adjusting method | |
| CN106793248B (en) | A kind of LED energy conservation driving method | |
| CN103096563A (en) | Dimming control system based on multiple paths of lighting light-emitting diodes (LEDs) | |
| CN110493920A (en) | A kind of automatic control intelligent LED lamp | |
| CN215956690U (en) | LED dimming lamp system suitable for outdoor stage | |
| CN107645805A (en) | A kind of LED high effective controlling lights control method | |
| CN110475403B (en) | Color temperature setting method and circuit of intelligent dimmable LED lamp | |
| CN201651825U (en) | Photosensitive automatic dimming LED lamp | |
| CN210579360U (en) | Intelligent dimming device for outdoor indicator lamp | |
| CN203340368U (en) | LED dimming table lamp | |
| CN210351737U (en) | LED street lamp drive circuit |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190104 Address after: 354200 Room 112, 1st Building, Building B, Wuyi Zhigu Science and Technology Incubator, Wuyi New District, Jianyang District, Nanping City, Fujian Province Applicant after: NANPING WWW ELECTRONIC TECHNOLOGY Co.,Ltd. Address before: 528415 Guangdong, Zhongshan, Xiaolan Town, 88, Ronghua Middle Road, 88, B 307, 308 room Applicant before: GUANGDON HONGRUI TECHNOLOGY Co.,Ltd. |
|
| GR01 | Patent grant | ||
| 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: 20190215 |