CN105744676A - Simple on/off-based LED dimming method - Google Patents
Simple on/off-based LED dimming method Download PDFInfo
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- CN105744676A CN105744676A CN201610119324.6A CN201610119324A CN105744676A CN 105744676 A CN105744676 A CN 105744676A CN 201610119324 A CN201610119324 A CN 201610119324A CN 105744676 A CN105744676 A CN 105744676A
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- 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]
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- 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
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- 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]
- H05B45/30—Driver circuits
- H05B45/37—Converter circuits
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- 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
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
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Abstract
The invention discloses a simple on/off-based LED dimming method, which comprises the steps as follows: a control circuit obtains continuous off signal and on signal; and an LED light source is driven to enter a dimming mode and to determine the work brightness. By the simple on/off-based LED dimming method, a dimming module can implement a dimming function through 'on' and 'off' actions of a control switch, so that a user obtains required light brightness; the LED dimming mode becomes relatively simple and practical; the flexibility and the convenience of the LED light source are greatly improved; and the function of the LED light source is substantially improved.
Description
Technical field
The present invention relates to LED light source technical field, particularly relate to a kind of LED light-dimming method based on simple switch.
Background technology
LED is referred to as forth generation lighting source or green light source, has the features such as energy-saving and environmental protection, life-span length, volume be little, is widely used in the fields such as various instruction, display, decoration, backlight, general lighting and urban landscape.
Along with LED industry quickly grows, the illumination control of product is required also more and more higher by people.Meanwhile, light modulation is typically required in order to adapt to the needs of actual production and economize on electricity, LED lamp or LED light source, the realization of light adjusting circuit, not only saves energy, reduction are wasted, and also avoid LED simultaneously and work under overload state for a long time, improve operational efficiency and the life-span of LED.
At present, on market, existing part LED lamp or LED light source are with dimming function, and its dimming mode includes:
(1) controllable silicon light modulation.This dimming mode needs special LED lamp customized and the special turn-knob switch installing cooperation controllable silicon light modulation mode, and dimming mode bothers very much.
(2) remote switch light modulation.This dimming mode needs the dimming driver installed in LED lamp and remote controller is supporting, and dimming driver and remote controller are with the use of just dimming, and this dimming mode, once not have remote controller, can not realize light modulation.
Accordingly, it would be desirable to a kind of control mode of design is more simple, operate more convenient, dimming mode to be to meet the demand of user flexibly.
Summary of the invention
The technical problem to be solved is in that, it is provided that a kind of LED light-dimming method based on simple switch, can pass through the action of "Off" and the "ON" controlling switch, allow light-adjusting module carry out Dimming operation.
In order to solve above-mentioned technical problem, the invention provides a kind of LED light-dimming method based on simple switch, including having the LED light source of dimming function, the control switch with switching function and control circuit, the described LED light-dimming method based on simple switch includes: control circuit obtains continuous print shutdown signal and enabling signal, drives LED light source enter light-modulating mode and determine operating brightness.
Improvement as such scheme, described control circuit obtains continuous print shutdown signal and enabling signal, drive LED light source enter light-modulating mode and determine that the method for operating brightness includes: control circuit obtains continuous print shutdown signal and enabling signal successively, drive LED light source close successively and open；If shutdown signal is with the handoff procedure of enabling signal, real-time parameter is in preset range, then LED light source enters the second mode of operation after opening, and now, the brightness of LED light source gradually changes according to predetermined manner；Otherwise, LED light source enters the first mode of operation after opening, and now, LED light source works in predetermined luminance state.
As the improvement of such scheme, described predetermined manner includes being decremented to minimum brightness by maximum brightness gradually or being incremented to maximum brightness by minimum brightness gradually.
As the improvement of such scheme, when LED light source is in the second mode of operation, control circuit obtains continuous print shutdown signal and enabling signal successively, drives LED light source close successively and open；If shutdown signal is with the handoff procedure of enabling signal, real-time parameter is in preset range, then LED light source enters the 3rd mode of operation after opening, and now, LED light source works in the luminance state of LED light source during last closedown LED light source；Otherwise, LED light source enters the first mode of operation after opening, and now, LED light source works in predetermined luminance state.
As the improvement of such scheme, described real-time parameter is the interval between shutdown signal and enabling signal.
As the improvement of such scheme, described preset range is 0 ~ 2 second, but described preset range can also carry out different presetting according to different demands.
As the improvement of such scheme, described real-time parameter is in the handoff procedure of shutdown signal and enabling signal, the state parameter of arbitrary electric elements in control circuit.
As the improvement of such scheme, described state parameter includes performance number, capacitance, magnitude of voltage or current value.
As the improvement of such scheme, described minimum brightness is the 1% ~ 15% of maximum brightness.
As the improvement of such scheme, described control switch includes pullswitch, knife switch, press button, microwave control switch, radio frequency controlled switch, audio-switch or infrared switch.
Implement the present invention, have the advantages that
Control circuit is combined by the LED light-dimming method based on simple switch of the present invention with existing LED light source and control switch, according to modes such as time control, capacitor charge and discharges, the action of "Off" with "ON" by controlling switch then can allow the light-adjusting module of LED light source dim, user is made to obtain required lamplight brightness, LED dimming mode is made to become more simple, practical, greatly increase the flexibly and conveniently property of LED light source, make the function of LED light source have substantial lifting.
Accompanying drawing explanation
Fig. 1 is the present invention first embodiment flow chart based on the LED light-dimming method of simple switch；
Fig. 2 is that the present invention is based on the circuit diagram of control circuit in the LED light-dimming method of simple switch；
Fig. 3 is the present invention the second embodiment flow chart based on the LED light-dimming method of simple switch；
Fig. 4 is the present invention operation instruction figure based on the LED light-dimming method of simple switch；
Fig. 5 is that the present invention is based on the LED bulb in the LED light-dimming method of simple switch；
Fig. 6 is that the present invention is based on the desk lamp in the LED light-dimming method of simple switch；
Fig. 7 is that the present invention is based on the floor-lamp in the LED light-dimming method of simple switch；
Fig. 8 is that the present invention is based on the pendent lamp in the LED light-dimming method of simple switch；
Fig. 9 is that the present invention is based on the wall lamp in the LED light-dimming method of simple switch；
Figure 10 is that the present invention is based on the lamp affixed to the ceiling in the LED light-dimming method of simple switch；
Figure 11 is that the present invention is based on the Recessed light in the LED light-dimming method of simple switch.
Detailed description of the invention
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, the present invention is described in further detail.Only this statement, the present invention occurs or the up, down, left, right, before and after that namely will appear from, the orientation word such as inside and outside in the text, and only with the accompanying drawing of the present invention for benchmark, it is not the concrete restriction to the present invention.
The present invention based in the LED light-dimming method of simple switch, including having the LED light source of dimming function, the control switch with switch (ON/OFF) function and control circuit.Wherein, LED light source can be that LED bulb is (referring to Fig. 5, if model is E27-PAR30, E27-PAR38, E27-G125, E27-G95, E27-G45, E27-G60, E27-G80, GU10, E14-G45, E14), shot-light, desk lamp (referring to Fig. 6), floor-lamp (referring to Fig. 7), pendent lamp (referring to Fig. 8), wall lamp (referring to Fig. 9), lamp affixed to the ceiling (referring to Figure 10) or Recessed light (referring to Figure 11), but be not limited system；Described control switch can be the mechanical switchs such as pullswitch, knife switch, press button, can also be microwave control switch, radio frequency controlled switch, audio-switch or infrared switch, but be not limited system, as long as the control with open and close function switchs；Described control circuit can be integrated in the control chip of LED light source, it is also possible to is integrated in driver, it is also possible to for independent control chip, for gathering LED light source and controlling the real-time status of switch.
The present invention includes based on the LED light-dimming method of simple switch: control circuit obtains continuous print shutdown signal and enabling signal, drives LED light source enter light-modulating mode and determine operating brightness.
It should be noted that; as long as allow LED light source proceed by light modulation by the action of the "Off" of simple switch Yu "ON", and selected the light-dimming method of the LED light source brightness needed by the action of the "Off" of simple switch Yu "ON" be all the protection domain of this patent.
Fig. 1 is the present invention first embodiment flow chart based on the LED light-dimming method of simple switch, including:
S101, control circuit obtains continuous print shutdown signal and enabling signal successively, drives LED light source close successively and open.
S102, if shutdown signal is with the handoff procedure of enabling signal, real-time parameter is in preset range, then LED light source enters the second mode of operation after opening, and now, the brightness of LED light source gradually changes according to predetermined manner.
It should be noted that, described predetermined manner can be " being decremented to minimum brightness by maximum brightness gradually ", can also be " being incremented to maximum brightness by minimum brightness gradually ", but be not limited system, as long as the brightness of LED light source can be made to change by certain rule.
Described minimum brightness is the 1% ~ 15% of maximum brightness.
S103, if shutdown signal is with the handoff procedure of enabling signal, real-time parameter is not in preset range, then LED light source enters the first mode of operation after opening, and now, LED light source works in predetermined luminance state.
LED light source it should be noted that described predetermined luminance state can be maximum brightness state or minimum brightness state, but it is not limited system, as long as can be made to work in a certain specific luminance state.
Generally, the predetermined luminance of LED light source in the first mode of operation, be generally preset as the brightest state (i.e. the brightness of 100%), but be not limited system, it is also possible to according to user need preset different brightness.
As from the foregoing, control circuit is combined by the LED light-dimming method based on simple switch of the present invention with existing LED light source and control switch, make LED dimming mode become more simple, practical, greatly increase the flexibly and conveniently property of LED light source, make the function of LED light source have substantial lifting.
Specifically, described real-time parameter can be the interval between shutdown signal and enabling signal, and described preset range is 0 ~ 2 second.
Such as, when user's first time pressing press button is to open LED light source, LED light source enters the first mode of operation, and now, the brightness of LED light source is 100%.If desired the luminosity of LED light source is changed, then need to press twice press button continuously, LED light source is made to restart after closing, need the light modulation recognition time ensureing between turning off the light and turning on light is 0 ~ 2 second simultaneously, LED light source will enter the second mode of operation, now, the brightness of LED light source is decremented to minimum brightness gradually by maximum brightness, and the brightness of final LED light source is the 10% of maximum brightness.If wanting the brightness making LED return to 100%, then, after needing closedown LED light source, spend 2 seconds, be then turned on LED light source.
It addition, described real-time parameter can also be in the handoff procedure of shutdown signal and enabling signal, the state parameter of arbitrary electric elements in control circuit.Described state parameter includes performance number, capacitance, magnitude of voltage or current value.
For example, with reference to Fig. 2, when user's first time pressing press button is to open LED light source, L N input first power on, C3 electric capacity charges to normal operational voltage value, and LED light source enters the first mode of operation, and now, the brightness of LED light source is 100%.When user presses press button to cut off the electricity supply, C3 starts electric discharge, voltage on C5 begins to decline simultaneously, when C3 voltage, less than C5 voltage and 1.8V, < C5 is < during 4.8V, re-pressing press button and start power supply, LED light source will enter the second mode of operation, now, the brightness of LED light source is decremented to minimum brightness gradually by maximum brightness, and the brightness of final LED light source is the 10% of maximum brightness.If power supply cutting overlong time, make C5 < 1.8V, then, when next time restarts power supply, LED light source recovers to the first mode of operation.
It should be noted that, only using the state parameter of C3 and C5 as basis for estimation in the present embodiment, but it is not limited system, practical application can be selected in control circuit the state parameter of arbitrary electric elements as basis for estimation, as long as in the shutdown signal handoff procedure with enabling signal, the state parameter of electric elements can change.
Fig. 3 is the present invention the second embodiment flow chart based on the LED light-dimming method of simple switch, including:
S201, control circuit obtains continuous print shutdown signal and enabling signal successively, drives LED light source close successively and open.
S202, if shutdown signal is with the handoff procedure of enabling signal, real-time parameter is in preset range, then LED light source enters the second mode of operation after opening, and now, the brightness of LED light source gradually changes according to predetermined manner.
It should be noted that, described predetermined manner can be " being decremented to minimum brightness by maximum brightness gradually ", can also be " being incremented to maximum brightness by minimum brightness gradually ", but be not limited system, as long as the brightness of LED light source can be made to change by certain rule.
Described minimum brightness is the 5% ~ 15% of maximum brightness.
S203, if shutdown signal is with the handoff procedure of enabling signal, real-time parameter is not in preset range, then LED light source enters the first mode of operation after opening, and now, LED light source works in predetermined luminance state.
LED light source it should be noted that described predetermined luminance state can be maximum brightness state or minimum brightness state, but it is not limited system, as long as can be made to work in a certain specific luminance state.
S204, when LED light source is in the second mode of operation, control circuit obtains continuous print shutdown signal and enabling signal successively, drives LED light source close successively and open.
S205, if shutdown signal is with the handoff procedure of enabling signal, real-time parameter is in preset range, then LED light source enters the 3rd mode of operation after opening, and now, LED light source works in the luminance state of LED light source during last closedown LED light source；
S206, if shutdown signal is with the handoff procedure of enabling signal, real-time parameter is not in preset range, then LED light source enters the first mode of operation after opening, and now, LED light source works in predetermined luminance state.
LED light source it should be noted that described predetermined luminance state can be maximum brightness state or minimum brightness state, but it is not limited system, as long as can be made to work in a certain specific luminance state.
Specifically, described real-time parameter can be the interval between shutdown signal and enabling signal, and described preset range is 0 ~ 2 second.
For example, with reference to Fig. 4, when user's first time pressing press button is to open LED light source, LED light source enters the first mode of operation, and now, the brightness of LED light source is 100%.nullIf desired the luminosity of LED light source is changed，Then need to press twice press button continuously，LED light source is made to restart after closing，Need the light modulation recognition time ensureing between turning off the light and turning on light is 0 ~ 2 second simultaneously，LED light source will enter the second mode of operation，The brightness making LED light source is successively decreased to minimum brightness gradually by maximum brightness，Now，If desired brightness is adjusted，Then need to when the descending luminance of LED light source to required brightness，Again press twice press button continuously，LED light source is made to restart after closing，Need the light modulation recognition time ensureing between turning off the light and turning on light is 0 ~ 2 second simultaneously，LED light source will enter the 3rd mode of operation，LED light source is made to work in the luminance state of LED light source during last closedown LED light source，Thus ensureing that the brightness of LED light source is fixed on the brightness needed for user，Realize non-pole light regulating.If wanting the brightness making LED return to 100%, then, after needing closedown LED light source, spend 2 seconds, be then turned on LED light source.
It addition, described real-time parameter can also be in the handoff procedure of shutdown signal and enabling signal, the state parameter of arbitrary electric elements in control circuit.Described state parameter includes performance number, capacitance, magnitude of voltage or current value.
For example, with reference to Fig. 2, when user's first time pressing press button is to open LED light source, L N input first power on, C3 electric capacity charges to normal operational voltage value, and LED light source enters the first mode of operation, and now, the brightness of LED light source is 100%.nullWhen user presses press button to cut off the electricity supply，C3 starts electric discharge，Voltage on C5 begins to decline simultaneously，When C3 voltage, less than C5 voltage and 1.8V, < C5 is < during 4.8V，Re-press press button and start power supply，LED light source will enter the second mode of operation，The brightness making LED light source is successively decreased to minimum brightness gradually by maximum brightness，Now，If not carrying out any operation，The brightness of LED light source will be decremented to minimum brightness gradually，And brightness is maximum brightness the 10% of final LED light source，If desired brightness is adjusted，Then need to when the descending luminance of LED light source to required brightness，Again press twice press button continuously，LED light source is made to restart after closing，Ensure that C3 is less than C5 voltage and 1.8V < C5 < 4.8V simultaneously，Then LED light source will enter the 3rd mode of operation，LED light source is made to work in the luminance state of LED light source during last closedown LED light source，Thus ensureing that the brightness of LED light source is fixed on the brightness needed for user，Realize non-pole light regulating.If power supply cutting overlong time, make C5 < 1.8V, then, when next time restarts power supply, LED light source recovers to the first mode of operation.
As from the foregoing, control circuit is combined by the LED light-dimming method based on simple switch of the present invention with existing LED light source and control switch, according to modes such as time control, capacitor charge and discharges, the action of "Off" with "ON" by controlling switch then can allow light-adjusting module carry out dimming function, user is made to obtain required lamplight brightness, make LED dimming mode become more simple, practical, greatly increase the flexibly and conveniently property of LED light source, make the function of LED light source have substantial lifting.
The above is the preferred embodiment of the present invention; it should be pointed out that, for those skilled in the art, under the premise without departing from the principles of the invention; can also making some improvements and modifications, these improvements and modifications are also considered as protection scope of the present invention.
Claims (10)
1. the LED light-dimming method based on simple switch, it is characterized in that, including having the LED light source of dimming function, the control switch with switching function and control circuit, the described LED light-dimming method based on simple switch includes: control circuit obtains continuous print shutdown signal and enabling signal, drives LED light source enter light-modulating mode and determine operating brightness.
2. the LED light-dimming method based on simple switch as claimed in claim 1, it is characterised in that described control circuit obtains continuous print shutdown signal and enabling signal, drives LED light source enter light-modulating mode and determine that the method for operating brightness includes:
Control circuit obtains continuous print shutdown signal and enabling signal successively, drives LED light source close successively and open；
If shutdown signal is with the handoff procedure of enabling signal, real-time parameter is in preset range, then LED light source enters the second mode of operation after opening, and now, the brightness of LED light source gradually changes according to predetermined manner；
Otherwise, LED light source enters the first mode of operation after opening, and now, LED light source works in predetermined luminance state.
3. the LED light-dimming method based on simple switch as claimed in claim 2, it is characterised in that described predetermined manner includes being decremented to minimum brightness by maximum brightness gradually or being incremented to maximum brightness by minimum brightness gradually.
4. the LED light-dimming method based on simple switch as claimed in claim 1, it is characterised in that when LED light source is in the second mode of operation, control circuit obtains continuous print shutdown signal and enabling signal successively, drives LED light source close successively and open；
If shutdown signal is with the handoff procedure of enabling signal, real-time parameter is in preset range, then LED light source enters the 3rd mode of operation after opening, and now, LED light source works in the luminance state of LED light source during last closedown LED light source；
Otherwise, LED light source enters the first mode of operation after opening, and now, LED light source works in predetermined luminance state.
5. the LED light-dimming method based on simple switch as described in claim 2 or 4, it is characterised in that described real-time parameter is the interval between shutdown signal and enabling signal.
6. the LED light-dimming method based on simple switch as claimed in claim 5, it is characterised in that described preset range is 0 ~ 2 second.
7. the LED light-dimming method based on simple switch as described in claim 2 or 4, it is characterised in that described real-time parameter is in the handoff procedure of shutdown signal and enabling signal, the state parameter of arbitrary electric elements in control circuit.
8. the LED light-dimming method based on simple switch as claimed in claim 7, it is characterised in that described state parameter includes performance number, capacitance, magnitude of voltage or current value.
9. the LED light-dimming method based on simple switch as claimed in claim 3, it is characterised in that described minimum brightness is the 1% ~ 15% of maximum brightness.
10. the LED light-dimming method based on simple switch as claimed in claim 1, it is characterised in that described control switch includes pullswitch, knife switch, press button, microwave control switch, radio frequency controlled switch, audio-switch or infrared switch.
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| CN106612577A (en) * | 2016-12-23 | 2017-05-03 | 浙江大学 | Power switch brightness adjusting LED lamp controller and control method thereof |
| CN106793295A (en) * | 2016-12-23 | 2017-05-31 | 浙江大学 | A kind of microcontroller power supply switch lightens LED Switching Power Supply and its control method |
| CN107135571A (en) * | 2017-05-12 | 2017-09-05 | 浙江生辉照明有限公司 | Intelligent lamp |
| CN109548231A (en) * | 2018-10-26 | 2019-03-29 | 惠州市华阳光电技术有限公司 | A kind of switch dimming method based on memory |
| CN110505738A (en) * | 2019-08-06 | 2019-11-26 | 江苏富联通讯技术有限公司 | A kind of intelligence control system adjusting lamp brightness according to period of switching time |
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| CN106793295A (en) * | 2016-12-23 | 2017-05-31 | 浙江大学 | A kind of microcontroller power supply switch lightens LED Switching Power Supply and its control method |
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| CN110505738A (en) * | 2019-08-06 | 2019-11-26 | 江苏富联通讯技术有限公司 | A kind of intelligence control system adjusting lamp brightness according to period of switching time |
| CN111526628A (en) * | 2020-06-23 | 2020-08-11 | 横店集团得邦照明股份有限公司 | Circuit for changing light state through flashlight of mobile phone and implementation method thereof |
| CN111526628B (en) * | 2020-06-23 | 2024-01-19 | 横店集团得邦照明股份有限公司 | Circuit for changing light state through flashlight of mobile phone and implementation method thereof |
| CN111683436A (en) * | 2020-07-22 | 2020-09-18 | 马乐平 | LED dimming driver directly controlled by common switch and control method |
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| CN105744676B (en) | 2017-07-14 |
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