CN107306464A - A kind of light-dimming method of LED, light adjusting system and a kind of LED - Google Patents
A kind of light-dimming method of LED, light adjusting system and a kind of LED Download PDFInfo
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- CN107306464A CN107306464A CN201610251926.7A CN201610251926A CN107306464A CN 107306464 A CN107306464 A CN 107306464A CN 201610251926 A CN201610251926 A CN 201610251926A CN 107306464 A CN107306464 A CN 107306464A
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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
Abstract
The present invention provides a kind of light-dimming method of LED, light adjusting system and a kind of LED, and the light-dimming method of the LED includes：Read the switching signal of the power switch of control LED switch and the on-off times of the power switch are recorded according to the switching signal；The default driving current of the default LED brightness of and correspondence corresponding with the on-off times is exported to the LED according to the on-off times of the power switch of record；The size of the default driving current and the on-off times of the power switch are into positive incremented by successively or reversely successively decrease successively or arbitrarily setting driving current and the corresponding relation of the on-off times of the power switch.The present invention can realize that the LED of switch dimming in the regulation of the brightness to LED " tungsten filament ", the present invention is only and meet people's method accustomed to using, illuminated for the interior space, LED " tungsten filament " lamp substituting tungsten filament shape incandescent lamp.
Description
Technical field
The present invention relates to LED control technology fields, more particularly to a kind of light-dimming method of LED, light adjusting system and one
Plant LED.
Background technology
Tengsten lamp is a kind of conventional incandescent lamp, and lamp power is mostly in 5~500W.Because lamp housing is glass material, lighting angle
3600 are bordering on, interior space illumination is especially suitable for.It is already high by luminous efficiency because powerful incandescent lamp efficiency is low
Metal halid lamp is substituted and withdrawn from the market.With the execution of disabling incandescent lamp route map, low power incandescent lamp is also gradually by LED
Replaced with other energy-saving lamps.Because the cost of LED lamp in recent years declines, the superseded speed of incandescent lamp is accelerated.But
Common LED lamp, because its lighting angle is small compared with tungsten filament shape incandescent lamp, when being illuminated for the interior space, space top it is bright
Degree is far below tungsten filament shape incandescent lamp, and the vision of people does not often feel well.In order to adapt to the visual state that people have been accustomed to, invention
LED " tungsten filament " lamp that lighting angle is bordering on 3600 tungsten lamps is similar to for what the interior space was illuminated.
What traditional incandescent lamp was used is all controllable silicon dimmer, continues up and uses fluorescent type electricity-saving lamp.Controllable silicon dimmer
Various in style, its control mode mainly has forward position control and rear along control.Using the light modulating LED light fixture of controllable silicon dimmer,
In order to adapt to controllable silicon dimmer as much as possible, at minimum brightness (such as 10%), controlled silicon conducting, one are able to maintain that
As require set more than 20mA initial current.This saves energy raising light efficiency and run in the opposite direction for LED lamp.Enter
And the demand to LED dimming function is more and more urgent.
Model E26, E27, E12 and E14 of usual Incandescence lamp holder, due to the small volume of lamp holder, its driving power supply
Work is mostly by the way of resistance-capacitance depressurization adds constant current again, and the defect of this type of drive is can not to use controllable silicon electronic light modulator
Light modulation, can not use switch to dim.But E26, E27, E12 and E14 are a kind of small-sized lamp holders, to be made can be with
" tungsten filament " shape LED of switch dimming has to the driving chip that use can be dimmed, and realizes dimming function.It is as few as possible
Peripheral component, enables driving power supply to load lamp holder.Due to the non-linear behavior of LED, the lamp under its same brightness in addition
The 1/20-1/10 (W) of power, only incandescent lamp, the controllable silicon electronic light modulator for being formerly used for the light modulation of linear load incandescent lamp will
It can not be continuing with.Those skilled in the art just seeking it is a kind of meet people get used to method, for the interior space illuminate,
Substitute dimming LED (Light Emitting Diode) " tungsten filament " lamp of tungsten filament shape incandescent lamp.
The content of the invention
The shortcoming of prior art, it is an object of the invention to provide a kind of light-dimming method of LED, dims system in view of the above
System and a kind of LED, for solving to lack the problem of dimming LED " tungsten filament " lamp in the prior art.
In order to achieve the above objects and other related objects, the present invention provides a kind of light-dimming method of LED, the LED
Light-dimming method includes：Read the switching signal of the power switch of control LED switch and the electricity is recorded according to the switching signal
The on-off times of source switch；Exported and the on-off times to the LED according to the on-off times of the power switch of record
Correspondence and the default driving current of the default LED brightness of correspondence.
Preferably, when the on-off times of the power switch of record reach preset times, by the power switch of record
On-off times are reset, and restart to record the on-off times of the power switch.
Preferably, exceed after the power switch is closed to the time interval opened between the power switch next time described
During preset time, then the on-off times of the power switch of record are reset, restart to record the switch of the power switch
Number of times.
Preferably, the size of the default driving current and the on-off times of the power switch into forward direction it is incremented by successively or reversely according to
It is secondary to successively decrease.
Preferably, the LED is LED tungsten filament shape lamps.
To achieve the above object, the present invention also provides a kind of light adjusting system of LED, and the light adjusting system of the LED includes：
Sample circuit is switched, is connected with the power switch of control LED switch, the switching signal for reading the power switch；Drive
Dynamic circuit, is connected with the switch sample circuit and the LED, for recording the power supply according to the switching signal respectively
The on-off times of switch, are exported and the on-off times pair according to the on-off times of the power switch of record to the LED
Answer and the corresponding default driving current for presetting LED brightness.
Preferably, the drive circuit includes being used to record the counting of the on-off times of the power switch according to the switching signal
Device, when the on-off times of the power switch of the counter records reach preset times, the counter is by the institute of record
The on-off times for stating power switch are reset, and restart to record the on-off times of the power switch.
Preferably, the drive circuit also includes being used to record closing after the power switch to opening the power supply next time and opened
The timer of time interval between pass；To when opening between the power switch next time after the power switch is closed
Between interval when exceeding the preset time, the counter then resets the on-off times of the power switch of record, opens again
Beginning records the on-off times of the power switch.
Preferably, the size of the default driving current and the on-off times of the power switch into forward direction it is incremented by successively or reversely according to
It is secondary to successively decrease.
Preferably, the LED is LED tungsten filament shape lamps.
To achieve the above object, the present invention also provides a kind of LED, and the LED includes the tune of LED as described above
Photosystem.
As described above, light-dimming method, light adjusting system and a kind of LED of a kind of LED of the present invention, have with following
Beneficial effect：
1st, the present invention is corresponding with the on-off times and corresponding pre- to LED output according to the on-off times of the power switch of record
If the default driving current of LED brightness, so as to realize the regulation of the brightness to LED " tungsten filament ", and switched in the present invention
The LED of light modulation be only meet people get used to method, illuminated for the interior space, substitute tungsten filament shape incandescent lamp
LED " tungsten filament " lamp.
2nd, the present invention is simple in construction, and the light modulation to LED is manipulated conveniently, flexibly.
Brief description of the drawings
Fig. 1 is shown as the schematic flow sheet of the light-dimming method of the LED of the present invention.
Fig. 2 is shown as the structural representation of the LED of the present invention.
Fig. 3 is shown as the theory diagram of the light adjusting system of the LED of the present invention.
Fig. 4 is shown as the schematic diagram of the light adjusting system of the LED of the present invention in one embodiment.
Front schematic view when Fig. 5 is shown as the light adjusting system of the LED of the present invention in driving plate.
Reverse side schematic diagram when Fig. 6 is shown as the light adjusting system of the LED of the present invention in driving plate.
Component label instructions
The light adjusting system of 1 LED
11 switch sample circuits
12 drive circuits
2 power switches
3 LEDs
31 light fittings
32 driving plates
33 lampshades
S1~S2 steps
Embodiment
Illustrate embodiments of the present invention below by way of specific instantiation, those skilled in the art can be as disclosed by this specification
Content understand easily the present invention other advantages and effect.The present invention can also add by way of a different and different embodiment
To implement or apply, the various details in this specification can also be based on different viewpoints and application, in the essence without departing from the present invention
God is lower to carry out various modifications or alterations.
The purpose of the present embodiment is to provide a kind of light-dimming method of LED, light adjusting system and a kind of LED, used
Lack the problem of being dimmed to LED " tungsten filament " lamp in the prior art in solution.One kind of the present embodiment described in detail below
The principle and embodiment of the light-dimming method of LED, light adjusting system and a kind of LED, make those skilled in the art need not
Creative work is the light-dimming method, light adjusting system and a kind of LED for a kind of LED for being appreciated that the present embodiment.
The present embodiment provides a kind of light-dimming method of LED, light adjusting system and a kind of LED,
Specifically, as shown in figure 1, the light-dimming method of the LED comprises the following steps：
Step S1, reads the switching signal of the power switch of control LED switch and records the electricity according to the switching signal
The on-off times of source switch.
Step S2, exports corresponding with the on-off times according to the on-off times of the power switch of record to the LED
And the default driving current of the default LED brightness of correspondence.
Step S1~step S2 is described in detail below.
Step S1, reads the switching signal of the power switch of control LED switch and records the electricity according to the switching signal
The on-off times of source switch.
In the present embodiment, the LED is LED tungsten filament shape lamps.The brightness of LED " tungsten filament " lamp is by flowing through LED " tungsten
Silk " electric current size and determine.Therefore, LED " tungsten filament " is realized using the method for regulation LED " tungsten filament " size of current
The regulation of lamp brightness.Multiple different driving currents are pre-set, according to the on-off times of control LED " tungsten filament " lamp, are
LED " tungsten filament " provides corresponding driving current, so as to realize the regulation of the brightness to LED " tungsten filament ".
Specifically, in the present embodiment, when the on-off times of the power switch of record reach preset times, by record
The on-off times of the power switch are reset, and restart to record the on-off times of the power switch.Or when the closing electricity
When exceeding the preset time to the time interval opened between the power switch after source switch next time, then by the institute of record
The on-off times for stating power switch are reset, and restart to record the on-off times of the power switch.Wherein, the preset time
Preferably 2 seconds~5 seconds.That is, to opening between the power switch next time after the power switch is closed
, can be according to light modulation Demand Design dimming mode, after the power switch is closed when time interval is in the preset time
When exceeding the preset time to the time interval opened between the power switch next time, opened opening the power supply next time
Guan Shi, without light modulation, equivalent to first switching on the power switch.
Step S2, exports corresponding with the on-off times according to the on-off times of the power switch of record to the LED
And the default driving current of the default LED brightness of correspondence.
In the present embodiment, the switching signal of the power switch of acquirement, the signal triggers the pwm circuit inside driving chip,
It is allowed to pulse width variations.The pulse width signal driving output circuit of change, makes the drive for the driving LED that the output end of driving chip exports
Streaming current changes, so that the brightness of LED changes.
For example preset two driving currents：First driving current and the second driving current, under the first driving current, LED " tungsten
The brightness of silk " lamp is 100%；Under the second driving current, the brightness of LED " tungsten filament " lamp is 5%.When first switching on LED
During the switch of lamp, the first driving current is provided for LED " tungsten filament " lamp, i.e. the brightness of LED " tungsten filament " lamp now is the first drive
100% brightness under streaming current；When opening the switch of LED " tungsten filament " lamp after closing switch for the second time, by LED/light source
Driving current is replaced by the second driving current, now, and the brightness of LED " tungsten filament " lamp is 5% brightness under the second driving current.
So repeat to be controlled the switch of LED " tungsten filament " lamp, realize the brightness regulation to LED " tungsten filament " lamp.
Certainly, default driving current is not limited in two, can be multiple.For example, presetting three driving currents, respectively
For：First driving current, the second driving current and the 3rd driving current, its distinguish brightness of corresponding LED/light source for 100%,
50% and 10%.When first switching on the switch of LED " tungsten filament " lamp, the first driving current is provided for LED " tungsten filament " lamp,
That is the brightness of LED " tungsten filament " lamp now is 100% brightness under the first driving current；Second of opening LED after closing switch
During the switch of " tungsten filament " lamp, the driving current of LED " tungsten filament " lamp is replaced by the second driving current, now, LED " tungsten
The brightness of silk " lamp is 50% brightness under the second driving current；Turn on opening for LED " tungsten filament " lamps for the third time after closing switch
Guan Shi, the 3rd driving current is replaced by by the driving current of LED " tungsten filament " lamp, now, and the brightness of LED " tungsten filament " lamp is
10% brightness under 3rd driving current.So repeat, so as to realize the brightness regulation to LED " tungsten filament " lamp.
Wherein, in the present embodiment, the size of the default driving current and the on-off times of the power switch into it is positive successively
It is incremented by or reversely successively decreases successively.The brightness regulation of LED " tungsten filament " lamp is to be dependent on actual demand, also may be designed as n grades or
Continuous light tuning in some period.The change of light modulation can be designed as from most bright (100%) light modulation to minimum (1%) -- just as too
Sun sets typically, is referred to as " sunset version "；The change of light modulation is also designed to from minimum (1%) light modulation to maximum (100%)
-- just as sunrise, it is referred to as " day publication ".
It should be noted that the setting order of default driving current is also not necessarily passed according to the brightness of LED " tungsten filament " lamp
The order of increasing is set, and it can be set according to actual needs.For example, presetting three driving currents, it is respectively：First
Driving current, the second driving current and the 3rd driving current, its brightness for distinguishing corresponding LED " tungsten filament " lamp is 10%, 50%
With 100%.When first switching on the switch of LED " tungsten filament " lamp, the first driving current is provided for LED " tungsten filament " lamp,
I.e. the brightness of LED/light source now is 10% brightness under the first driving current；Second of opening LED " tungsten after closing switch
During the switch of silk " lamp, the driving current of LED " tungsten filament " lamp is replaced by the second driving current, now, LED " tungsten filament "
The brightness of lamp is 50% brightness under the second driving current；When the switch of LED " tungsten filament " lamp is turned on after closing switch for the third time,
The driving current of LED " tungsten filament " lamp is replaced by the 3rd driving current, now, the brightness of LED " tungsten filament " lamp is driven for the 3rd
100% brightness under streaming current.
This brightness change state (such as when turning on light 100% it is most bright or when turning on light 5% minimum brightness) and grade is (for example
It is divided into 3 grades of light modulations, 10 grades of light modulations or continuous light tuning), it can be set in advance in the ROM of driving chip according to the requirement of user
It is fixed, so that the various lamps of different demands can be met by being formed.
As shown in Fig. 2 the present embodiment also provides a kind of LED 3, the LED 3 includes light fitting 31, is installed in lamp
Driving plate 32 in joint 31, the LED 3 being connected with driving plate 32 and the lampshade 33 covered at outside LED, wherein,
The LED 3 is the light adjusting system that LED is provided with LED tungsten filament shape lamps, the driving plate 32.
As shown in figure 3, the light adjusting system 1 of the LED includes：Sample circuit 11 is switched, with control LED switch
Power switch 2 is connected, the switching signal for reading the power switch 2；Drive circuit 12, is sampled with the switch respectively
Circuit 11 is connected with the LED, the on-off times for recording the power switch 2 according to the switching signal, according to
The on-off times of the power switch 2 of record export the default LED of and correspondence corresponding with the on-off times to the LED
The default driving current of lamp brightness.
In the present embodiment, the brightness of LED " tungsten filament " lamp is determined by flowing through the size of LED " tungsten filament " electric current.Cause
This, the regulation of LED " tungsten filament " lamp brightness is realized using the method for regulation LED " tungsten filament " size of current.Pre-set multiple
Different driving currents, is that LED " tungsten filament " provides corresponding driving electricity according to the on-off times of control LED " tungsten filament " lamp
Stream, so as to realize the regulation of the brightness to LED " tungsten filament ".
The brightness regulation of LED " tungsten filament " lamp is to be dependent on actual demand, also may be designed as n grades or within some period it is continuous
Light modulation.Specifically, in the present embodiment, the drive circuit 12 includes driving chip and peripheral circuit is constituted.The driving electricity
Road 12 includes being used to record the counter of the on-off times of the power switch 2 according to the switching signal, when counter note
When the on-off times of the power switch 2 of record reach preset times, the counter is opened the power switch 2 of record
Close number of times to reset, restart to record the on-off times of the power switch 2.The drive circuit 12 also includes being used to record closing
The power switch 2 is closed afterwards to the timer for opening the time interval between the power switch 2 next time；It is described when closing
To when opening the power supply next time and opening time interval between 2 passes more than the preset time after power switch 2, the meter
Number device then resets the on-off times of the power switch 2 of record, restarts to record the on-off times of the power switch 2.
Wherein, the preset time is preferably 2 seconds~5 seconds.That is, to next time after the power switch is closed
When opening the time interval between the power switch in the preset time, can according to light modulation Demand Design dimming mode,
When exceeding the preset time to the time interval opened between the power switch next time after closing the power switch,
When opening the power switch next time, without light modulation, equivalent to first switching on the power switch.
In the present embodiment, the concrete structure of the drive circuit 12 is not limited, as long as possessing can export according to on-off times
The drive circuit 12 of this function of different driving electric current can be applied in the present embodiment.
For example, as shown in figure 4, being shown as switching a kind of instance graph of sample circuit 11 and drive circuit 12.Such as Fig. 5 and figure
6 display, switch sample circuit 11 and drive circuit 12 be installed in driving plate 32 after schematic diagram.Can in from Fig. 4 to Fig. 6
To see, the component of the drive circuit 12 of whole LED 3 is considerably less.LED drive chip U1 is exclusively for small-sized
What LED was researched and developed can be with the driving chip of switch dimming.Chip internal contains single-chip microcomputer, and various journeys can be write in ROM
The drive software of formula, to be adapted to demand of the different user in different occasions.The signal of power switch 2 that R2 and R4 partial pressures are obtained,
It is added to driving chip U1 PCR ends (PIN 4).Pwm circuit inside the signal flip chip, is allowed to pulse width variations.
The pulse width signal driving output circuit of change, occurs the electric current of the output end DS (PIN 7) of driving chip driving LED
Change, so that the brightness of LED lamp changes.
For example preset two driving currents：First driving current and the second driving current, under the first driving current, LED " tungsten
The brightness of silk " lamp is 100%；Under the second driving current, the brightness of LED " tungsten filament " lamp is 5%.When first switching on LED
During the switch of lamp, the first driving current is provided for LED " tungsten filament " lamp, i.e. the brightness of LED " tungsten filament " lamp now is the first drive
100% brightness under streaming current；When opening the switch of LED " tungsten filament " lamp after closing switch for the second time, by LED/light source
Driving current is replaced by the second driving current, now, and the brightness of LED " tungsten filament " lamp is 5% brightness under the second driving current.
So repeat to be controlled the switch of LED " tungsten filament " lamp, realize the brightness regulation to LED " tungsten filament " lamp.
Certainly, default driving current is not limited in two, can be multiple.For example, presetting three driving currents, respectively
For：First driving current, the second driving current and the 3rd driving current, its distinguish brightness of corresponding LED/light source for 100%,
50% and 10%.When first switching on the switch of LED " tungsten filament " lamp, the first driving current is provided for LED " tungsten filament " lamp,
That is the brightness of LED " tungsten filament " lamp now is 100% brightness under the first driving current；Second of opening LED after closing switch
During the switch of " tungsten filament " lamp, the driving current of LED " tungsten filament " lamp is replaced by the second driving current, now, LED " tungsten
The brightness of silk " lamp is 50% brightness under the second driving current；Turn on opening for LED " tungsten filament " lamps for the third time after closing switch
Guan Shi, the 3rd driving current is replaced by by the driving current of LED " tungsten filament " lamp, now, and the brightness of LED " tungsten filament " lamp is
10% brightness under 3rd driving current.So repeat, so as to realize the brightness regulation to LED " tungsten filament " lamp.
Wherein, in the present embodiment, the on-off times of the size of the default driving current and the power switch 2 into forward direction according to
It is secondary to be incremented by or reversely successively decrease successively.The brightness regulation of LED " tungsten filament " lamp is to be dependent on actual demand, and the change of light modulation can be set
It is calculated as from most bright (100%) light modulation to minimum (1%) -- just as setting the sun, it is referred to as " sunset version "；The change of light modulation
Change is also designed to from minimum (1%) light modulation to maximum (100%) -- just as sunrise, it is referred to as " day publication ".
It should be noted that the setting order of default driving current is also not necessarily passed according to the brightness of LED " tungsten filament " lamp
The order of increasing is set, and it can be set according to actual needs.For example, presetting three driving currents, it is respectively：First
Driving current, the second driving current and the 3rd driving current, its brightness for distinguishing corresponding LED " tungsten filament " lamp is 10%, 50%
With 100%.When first switching on the switch of LED " tungsten filament " lamp, the first driving current is provided for LED " tungsten filament " lamp,
I.e. the brightness of LED/light source now is 10% brightness under the first driving current；Second of opening LED " tungsten after closing switch
During the switch of silk " lamp, the driving current of LED " tungsten filament " lamp is replaced by the second driving current, now, LED " tungsten filament "
The brightness of lamp is 50% brightness under the second driving current；When the switch of LED " tungsten filament " lamp is turned on after closing switch for the third time,
The driving current of LED " tungsten filament " lamp is replaced by the 3rd driving current, now, the brightness of LED " tungsten filament " lamp is driven for the 3rd
100% brightness under streaming current.
This brightness change state (such as when turning on light 100% it is most bright or when turning on light 5% minimum brightness) and grade is (for example
It is divided into 3 grades of light modulations, 10 grades of light modulations or continuous light tuning), it can be set in advance in the ROM of driving chip according to the requirement of user
It is fixed, so that the various lamps of different demands can be met by being formed.
Illustrate the light-dimming method and light adjusting system in the present embodiment with instantiation below.
1st, switch (first time), described lamp all light (100%) are opened；Closing switch.
2nd, switch (for the second time) was opened again in 3 seconds, described lamp enters dimming state；If it exceeds 3 seconds open switch again,
Then think that this operation is abandoned entering dimming state, described lamp all light (with the 1st time)；
If 2.1. program setting is 3 grades of light modulations, the brightness of described lamp is the 2nd grade, such as 50% brightness；；Closing switch,
Switch is again turned in 3 seconds, then the brightness of lamp is 3rd level, such as 10% brightness.
If 2.2. program setting is 10 grades of light modulations, the brightness of described lamp is since the 1st grade (100%), incessantly
By the 2nd grade, 3 grades until resting on the 10th grade (such as 10%), the time per one-stage transfor-mation can be set as 1 grade/second.When
User thinks that the brightness of certain one-level is suitable, closing switch immediately.
2.2.1 switch (third time) was opened again in 3 seconds, the brightness of the lamp rests on brightness during firm closing；If it exceeds
Open switch within 3 seconds, then it is assumed that brightness when this operation is abandoned just closing, described lamp all light (with for the first time).Closing switch.
2.2.2 (the 4th time) was switched opening in 3 seconds, if the last stop and brightness kept is not afterbody,
Then continue to dim until resting on afterbody (such as 10%).
2.2.3 if it exceeds 3 seconds open switch again, then this operation is abandoned entering dimming state, and described lamp all light is (with first
It is secondary).
If 2.3 program settings are continuous light tunings, the brightness of described lamp is since maximum (100%), continuously to dim,
Until resting on minimum (such as 10%), the time entirely dimmed can be set as the period of 10 seconds or longer.When user thinks
The brightness of certain one-level is suitable, closing switch immediately.
2.3.1 switch (third time) was opened again in 3 seconds, the brightness of the lamp will stay on brightness during firm closing.
2.3.2 if it exceeds 3 seconds open switch, then it is assumed that brightness when this operation is abandoned just closing, described lamp all light is (same
For the first time).Closing switch.
2.3.3 (the 4th time) was switched opening in 3 seconds, if last stop and the brightness kept are not minimum, after
Continuous light modulation is until rest on minimum (such as 10%)；Brightness in its change, if it is considered to properly, closing switch was simultaneously beaten in 3 seconds
Open, then the brightness of described lamp keeps brightness when closed.
2.3.4 if it exceeds 3 seconds open switch again, then this operation is abandoned entering dimming state, and described lamp all light is (with first
It is secondary).
In summary, the present invention according to the on-off times of the power switch of record to LED output it is corresponding with the on-off times and
The default driving current of the default LED brightness of correspondence, so that the regulation of the brightness to LED " tungsten filament " is realized, and the present invention
The LED of middle switch dimming, which is only, meets people's method accustomed to using, for interior space illumination, replacement tungsten filament shape white heat
LED " tungsten filament " lamp of lamp；And the present invention is simple in construction, the light modulation to LED is manipulated conveniently, flexibly.So, this hair
It is bright effectively to overcome various shortcoming of the prior art and have high industrial utilization.
The above-described embodiments merely illustrate the principles and effects of the present invention, not for the limitation present invention.It is any to be familiar with this skill
The personage of art all can carry out modifications and changes under the spirit and scope without prejudice to the present invention to above-described embodiment.Therefore, such as
Those of ordinary skill in the art without departing from disclosed spirit with completed under technological thought all etc.
Modifications and changes are imitated, should be covered by the claim of the present invention.
Claims (11)
1. a kind of light-dimming method of LED, it is characterised in that：The light-dimming method of the LED includes：
Read the switching signal of the power switch of control LED switch and the power switch is recorded according to the switching signal
On-off times；
It is corresponding with the on-off times and correspondingly to LED output according to the on-off times of the power switch of record
The default driving current of default LED brightness.
2. the light-dimming method of LED according to claim 1, it is characterised in that：When the switch of the power switch of record
When number of times reaches preset times, the on-off times of the power switch of record are reset, restarts to record the power supply and opens
The on-off times of pass.
3. the light-dimming method of LED according to claim 1, it is characterised in that：Arrived down after the power switch is closed
When once opening the time interval between the power switch more than the preset time, then by the power switch of record
On-off times are reset, and restart to record the on-off times of the power switch.
4. the light-dimming method of LED according to claim 1, it is characterised in that：The size of the default driving current and institute
State the on-off times of power switch incremented by successively or reversely successively decrease successively into forward direction.
5. the light-dimming method of LED according to claim 1, it is characterised in that：The LED is LED tungsten filament shape lamps.
6. a kind of light adjusting system of LED, it is characterised in that：The light adjusting system of the LED includes：
Sample circuit is switched, is connected with the power switch of control LED switch, the switch for reading the power switch
Signal；
Drive circuit, is connected with the switch sample circuit and the LED respectively, for being remembered according to the switching signal
Record the on-off times of the power switch, according to the on-off times of the power switch of record to the LED output with
The on-off times correspondence and the default driving current of the default LED brightness of correspondence.
7. the light adjusting system of LED according to claim 6, it is characterised in that：The drive circuit includes being used for according to institute
The counter that switching signal records the on-off times of the power switch is stated, when the power switch of the counter records
When on-off times reach preset times, the counter resets the on-off times of the power switch of record, restarts
Record the on-off times of the power switch.
8. the light adjusting system of LED according to claim 7, it is characterised in that：The drive circuit also includes being used to record
Close after the power switch to the timer for opening the time interval between the power switch next time；It is described when closing
When exceeding the preset time to the time interval opened between the power switch after power switch next time, the counting
Device then resets the on-off times of the power switch of record, restarts to record the on-off times of the power switch.
9. the light adjusting system of LED according to claim 6, it is characterised in that：The size of the default driving current and institute
State the on-off times of power switch incremented by successively or reversely successively decrease successively into forward direction.
10. the light adjusting system of LED according to claim 6, it is characterised in that：The LED is LED tungsten filaments
Shape lamp.
11. a kind of LED, it is characterised in that the LED is included such as claim 6 to any right of claim 10
It is required that the light adjusting system of described LED.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610251926.7A CN107306464A (en) | 2016-04-21 | 2016-04-21 | A kind of light-dimming method of LED, light adjusting system and a kind of LED |
| DE202016006507.7U DE202016006507U1 (en) | 2016-04-21 | 2016-10-21 | Dimmer system and LED lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610251926.7A CN107306464A (en) | 2016-04-21 | 2016-04-21 | A kind of light-dimming method of LED, light adjusting system and a kind of LED |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107306464A true CN107306464A (en) | 2017-10-31 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610251926.7A Pending CN107306464A (en) | 2016-04-21 | 2016-04-21 | A kind of light-dimming method of LED, light adjusting system and a kind of LED |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN107306464A (en) |
| DE (1) | DE202016006507U1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111328167A (en) * | 2020-04-08 | 2020-06-23 | 深圳爱克莱特科技股份有限公司 | LED lamp, and color temperature adjusting system and method of LED lamp |
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| CN102685975A (en) * | 2011-03-07 | 2012-09-19 | 凹凸电子（武汉）有限公司 | Controllers, systems and methods for controlling dimming of light sources |
| CN103196086A (en) * | 2013-04-08 | 2013-07-10 | 江苏华英光宝科技股份有限公司 | 360-degree luminescence pulse superposition segmented dimming LED (Light Emitting Diode) bulb lamp, candle lamp and crystal lamp |
| CN104039052A (en) * | 2014-06-20 | 2014-09-10 | 陕西亚成微电子股份有限公司 | LED (light emitting diode) dimming control method |
| KR20140147221A (en) * | 2013-06-19 | 2014-12-30 | 주식회사 퓨처테크 | Led lamp capable of auto dimming and control method thereof |
-
2016
- 2016-04-21 CN CN201610251926.7A patent/CN107306464A/en active Pending
- 2016-10-21 DE DE202016006507.7U patent/DE202016006507U1/en not_active Expired - Lifetime
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102685975A (en) * | 2011-03-07 | 2012-09-19 | 凹凸电子（武汉）有限公司 | Controllers, systems and methods for controlling dimming of light sources |
| CN103196086A (en) * | 2013-04-08 | 2013-07-10 | 江苏华英光宝科技股份有限公司 | 360-degree luminescence pulse superposition segmented dimming LED (Light Emitting Diode) bulb lamp, candle lamp and crystal lamp |
| KR20140147221A (en) * | 2013-06-19 | 2014-12-30 | 주식회사 퓨처테크 | Led lamp capable of auto dimming and control method thereof |
| CN104039052A (en) * | 2014-06-20 | 2014-09-10 | 陕西亚成微电子股份有限公司 | LED (light emitting diode) dimming control method |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111328167A (en) * | 2020-04-08 | 2020-06-23 | 深圳爱克莱特科技股份有限公司 | LED lamp, and color temperature adjusting system and method of LED lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| DE202016006507U1 (en) | 2016-12-09 |
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