CN105517241B - A kind of method and brightness switching device for controlling LED lamp brightness switching - Google Patents
A kind of method and brightness switching device for controlling LED lamp brightness switching Download PDFInfo
- Publication number
- CN105517241B CN105517241B CN201511010625.7A CN201511010625A CN105517241B CN 105517241 B CN105517241 B CN 105517241B CN 201511010625 A CN201511010625 A CN 201511010625A CN 105517241 B CN105517241 B CN 105517241B
- Authority
- CN
- China
- Prior art keywords
- sensor
- led lamp
- light source
- voltage
- led
- 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.)
- Active
Links
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
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
-
- 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
-
- 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]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
In order to reach the power supply of simplified LED lamp and brightness switched design, in one embodiment, there is provided a kind of method for controlling LED lamp brightness switching, including：The sensor sensing installed in the LED lamp is to triggering during outside sources to the pumping signal for the load control circuit for being electrically connected to the sensor；And the operating current of the LED lamp is lifted to carry out brightness switching by the load control circuit.In another embodiment, there is provided a kind of brightness switching device of LED lamp.
Description
Technical field
The invention mainly relates to the side for being improved and being loaded the control LED lamp brightness switching that change programme is realized using power supply
Method, and realize the brightness switching device or integrated circuit of this method.
Background technology
LED light source is used widely because of the advantages that its high light-emitting rate and low energy consumption.The need of work access of LED light source
Suitable power source realizes that usually, selecting switch power supply is depressured to alternating current in the manufacture and selection of power supply to drive
With the direct current for LED light source work is converted to after rectification, so need to the different types of electricity of different LED lamp design
, Expenses Cost and easily there is heat dissipation problem in source.On the other hand, in order to realize the brightness of LED lamp change conversion, need to set again
Count special drive circuit and carry out conversion electric power output power, cost further increases.
The content of the invention
The embodiment of the present invention will be different from conventional art and solve the power supply cost and efficiency of LED lamp, in the present invention
For in the brightness switching device embodiment of LED lamp design, switching to power inverter without using Switching Power Supply, directly use
LED light source in order to obtain alternating current and rectification, can further couple rectification as reduction voltage circuit in LED light source front end
Circuit, technical staff can use linear bridge rectifier or known waveform reverse circuit（For example, negative half period upset electricity
Road）To arrange external AC current, in this way, the voltage for inputing to the brightness switching device may be disposed at fixed value, so as to real
Existing effect control.
In addition, the present inventor is have studied using outside sources on aforementioned base to encourage the brightness of the brightness switching device to cut
Change.The form of outside sources can come from human body sensing, or other external sense signals, such as sound, light or infrared penetrate
Line.Meanwhile the static working current or power to LED light source are devised in brightness switching device of the present invention, in this way, the static work
Making electric current can be as the stand-by operation electric current of LED light source（For example, the low light emission rate state of LED light source）, sense can also be used as
Answer the starting current of the sensor device of outside sources.In this manner it is achieved that it will be flowed through in the LED light source used as reduction voltage circuit
Smaller current, the smaller current can go to provide the operating voltage of sensor device by the pressure drop of LED light source.
In one embodiment, a kind of method for controlling LED lamp brightness switching includes：Installed in the LED lamp
Sensor sensing to during outside sources triggering to the pumping signal for the load control circuit for being electrically connected to the sensor；And pass through
The load control circuit lifts the operating current of the LED lamp to carry out brightness switching.
In the present embodiment, can be started by sensor after extraneous source signal is sensed and export a pumping signal to
One reverse trigger signal of load control circuit, so that the load control circuit reversely lifts the power supply at LED light source both ends
Voltage, to realize State Transferring of the LED light source from relatively low light emission rate to high light-emitting rate.
In an example of the method for this control LED lamp brightness switching, the sensor is passed from infrared heat
Sensor or photoelectric sensor, the outside sources are to trigger the infrared signal or the triggering photo-electric of the infrared heat sensor
The optical signal of sensor.
Wherein, the method for LED lamp brightness switching is controlled to further comprise：Pass through the LED light source array of the LED lamp
Alternating voltage from the alternating current line of force is depressured, and worked by supplying the sensor after the load control circuit voltage stabilizing
Voltage.
In another embodiment, a kind of brightness switching device of LED lamp is to consist of：For sensing outside sources
To trigger the sensor of the brightness switching；LED light source array for illumination；Be electrically connected to the sensor and LED light
Load control circuit between the array of source, is configured as：Receive the excitation letter of the sensor electrically connected with the load control circuit
Number, and the operating current of the lifting LED lamp is to carry out brightness switching.In the present embodiment, features above can be used only
Component, without using other electric components, brightness is controlled to switch without using single-chip microcomputer or DSP unit.
In a kind of modification, the load control circuit is by voltage-stablizer, stabilized switch, excitation switch, 3rd resistor, the
Four resistance and diode composition, wherein the stabilized switch is connected to LED light source array, are tapped into the voltage-stablizer input again
With the feeder ear of sensor.
Wherein, the voltage-stablizer of the load control circuit uses low pressure difference linear voltage regulator.In addition, the stabilized switch and swash
Switch is encouraged to realize from MOS switch.
In an example, the output end of the voltage-stablizer is tapped into two-way path：Wherein connect all the way by the 4th resistance
Enter the excitation switch, another way accesses a LED by 3rd resistor, and further ground connection sets the LED
Put, wherein the triggering pin access of the sensor excitation switch is with input signal.
In the present embodiment, the LED light source array is configured as：Alternating voltage from the alternating current line of force is depressured,
And by supplying the sensor operating voltage after the load control circuit voltage stabilizing.
Further, the LED light source array is further electrically connected to booster circuit, and the booster circuit is configured as：Will
Alternating voltage from the alternating current line of force is boosted, to be satisfied with the arrangement of LED light source array setting.
Wherein, the LED light source array is parallel with the shunt regulator electricity for stablizing the LED light source array both end voltage
Road.
It is provided with another modification, between the load control circuit and sensor and is connected to above-mentioned LED light source array
The stabilized switch of output end, it is configured as switching the operating current of LED light source array.
As the improvement of the modification, the load control circuit is by voltage-stablizer, excitation switch, 3rd resistor, the 4th electricity
Resistance and diode composition.Stabilized switch is connected in the power path of LED light source array, is tapped into voltage-stablizer input and biography again
The feeder ear of sensor.
As a further improvement, the stabilized switch is electrically connected to voltage-stablizer again, wherein one end of the voltage-stablizer is provided with one
The individual excitation switch for being electrically connected to the sensor output end, the voltage-stablizer are configured as：Basis is switched by the excitation
Pumping signal is turned on to change the conducting state of the stabilized switch so that lifts the operating current of the LED lamp.
In foregoing individual embodiments, this brightness switching device can be encapsulated on an individual layer surface-mounted integrated circuit, its
Electric property coupling can be subject to using pluggable mode between LED light source.
Wherein, the stabilized switch and excitation switch are installed in a manner of paster on LED particle substrate, effective to realize
Radiating.
The above embodiment of the present invention employs linear voltage characteristic, devises static working current, the friendship of electric network power line
Stream electric current is supplied to the suitable operating voltage of sensor after being depressured by multiple LED light source particles；Simultaneously using load control electricity
Road reversely adjusts the operating current of whole LED light source array, and it was found from above-described embodiment, the operating current of sensor is LED light
A part for source standby current, the load of LED light source is changed by switching the load control circuit, adjusts operating current
Or power, the brightness of LED lamp is lifted with this.As the protrusion effect of the present invention, the electricity of this brightness switching device or method
Road is more simplified and reliable and stable, and easy for installation, is adapted to promote.
Brief description of the drawings
Fig. 1 is the local circuit principle schematic of the brightness switching device of LED lamp of the present invention.
Embodiment
The protrusion effect of the present invention can be by the way of accompanying drawing be compareed come detailed embodiment, and embodiments of the invention are for LED
It is especially effectively to control and easily install to realize for fluorescent tube or common fluorescent tube.Reference picture 1, in one embodiment,
Control LED lamp（For example, LED lamp tube）The method of brightness switching includes：
Triggering is to being electrically connected to the sensing when step 1, the sensor 10 installed in the LED lamp sense outside sources
The pumping signal of the load control circuit of device 10.Wherein sensor 10 triggers pin OUT by it and inputted to above-mentioned load control
In circuit.As shown in figure 1, the embodiment of load control circuit is by voltage-stablizer U1, stabilized switch Q1, excitation switch Q2, the 3rd
Resistance R3, the 4th resistance R4 and diode D80 compositions.Wherein stabilized switch Q1 and excitation switch Q2 can be selected MOS switch or its
He SPGA realizes that stabilized switch Q1 is connected in the power path of LED light source array 30, and it is defeated to be tapped into voltage-stablizer U1 again
Enter the feeder ear VCC of end and sensor 10.The essential electrical component of the load control circuit is voltage-stablizer U1, and it can be used（Example
Such as）Low pressure difference linear voltage regulator（LDO）Or similar linear voltage stabilization device/chip, its output end are tapped into two-way path：Wherein one
Excitation switch Q2 is accessed in road by the 4th resistance R4, and another way accesses LED D80, the LED hairs by 3rd resistor R3
Light pipe D80 is further grounded GND settings.The triggering pin OUT accesses excitation switch Q2 of sensor 10 is believed with input stimulus
Number；And
Step 2, the operating current of the LED lamp is lifted by the load control circuit to carry out brightness switching.
In an example of the method for this control LED lamp brightness switching, the sensor 10 is to select infrared heat
Sensor or photoelectric sensor, the outside sources are to trigger the infrared signal or the triggering photoelectricity of the infrared heat sensor
The optical signal of formula sensor.Technical staff should be appreciated that using other sensors to realize.For example, use radar sensor, light
Sense switch etc..
Wherein, above-mentioned steps 1 further comprise：By the LED light source array 30 of the LED lamp to from alternating electromotive force
The alternating voltage decompression of line, and by supplying the sensor 10 after the load control circuit voltage stabilizing with operating voltage VCC.
In this example embodiment, the LED light source array 30 is parallel with the side for stablizing the both end voltage of LED light source array 30
Road mu balanced circuit.Wherein, first resistor R1, second resistance are accessed for one end of the stabilized switch Q1 in above-mentioned load control circuit
R2 and voltage-regulator diode D2, first resistor R1, second resistance R2 and voltage-regulator diode D2, which are connected on, inputs to LED light source array 30
DC voltage V+ and V- ends between, and GND is further grounded, in this way, the DC voltage of LED light source array 30 will can be inputed to
Voltage stabilizing is carried out, to export the operating voltage VCC stable to sensor 10 by stabilized switch Q1.
Further, in the method for above-mentioned control LED lamp brightness switching, by the exchange from the alternating current line of force
Voltage is boosted, to be satisfied with the arrangement of LED light source array setting.
In this example embodiment, as shown in figure 1, for LED lamp tube, LED light source array 30 is concatenated with cascade
Multiple LEDs（Or light-emitting particles）, such as totally 79 LEDs D1 ..., D79, if the light source realized with cascade
Array can meet in the case where electric current is certain, each LED impartial current limliting step by step, so as to input to stabilized switch Q1
DC voltage be controlled to（Such as）+ 12V, meet the operating voltage for starting sensor 10.And the LED for more arranging
Luminous tube, due to the DC voltage V+ of input numerical value limitation, then DC voltage V+ can be added according to the requirement for starting voltage
To boost or be depressured, such as in the case of 200 LEDs, it can use and 200V DC voltage V+ is boosted into 330V.
Therefore a booster circuit 20 can be installed, DC voltage V+ is boosted, can also be in other examples reduction voltage circuit or
Person's linear DC translation circuit, isolated variable circuit etc..
Additionally as a kind of modification, above-mentioned steps 1 further include：The quiescent operation electricity of LED light source array 30 is set
Stream, to determine the relatively low Brightness Duty state of the LED light source array 30.According to above-described embodiment, voltage-stablizer U1 output end point
It is connected to two-way path：Excitation switch Q2 is wherein accessed by the 4th resistance R4 all the way, another way accesses LED by 3rd resistor R3
Luminous tube D80, the LED D80 are further grounded GND settings.Pass through 3rd resistor R3 and LED D80 device
Part characteristic can set low current I1, and clamp voltage VCC after the decompression for passing through LED light source array 30, its corresponding input current
For I2, therefore, the static working current I of LED light source array 300 = I1 + I2, in the above-described embodiments, LED light source array 30
Relatively low Brightness Duty state can be low light emission rate state or OFF state, but wherein still have electric current.One
, can be by adjusting 3rd resistor R3 come Indirect method static working current I in individual preferred example0。
And after sensor 10 receives outside sources, pin OUT will produce driving voltage, corresponding to excitation switch Q2 and
R4 to voltage-stablizer U1 trigger, to the path of LED light source array 30 on feedback excitation electric current I3, so as in switching light emission rate state
Afterwards, the operating current I of LED light source array 30OUT = I1 + I2 + I3, LED light source array 30 will be lit or brighter.At one
, can be by adjusting the 4th resistance R4 come Indirect method operating current I in preferred exampleOUT。
Further, in step 2 above, if sensor 10 does not sense outside sources again in a preset time, or
When person enters holding state according to the preset time, pin OUT will export pick-off signal and give excitation switch Q1, in this way, voltage stabilizing
The exciting current I of device U1 triggerings3It will disappear, LED light source array 30 returns back to low light emission rate or OFF state again.
In another embodiment, the brightness switching device for realizing the LED lamp of the above method is to consist of：For
Outside sources are sensed to trigger the sensor 10 of the brightness switching；LED light source array 30 for illumination；It is described with being electrically connected to
Load control circuit between sensor 10 and LED light source array 30, the load control circuit are configured as：Receive and the load
The pumping signal of the sensor 10 of control circuit electrical connection, and the operating current of the lifting LED lamp are cut with carrying out brightness
Change.
Application on radar fluorescent tube
Referring again to Fig. 1, an example of this brightness switching device can be radar fluorescent tube or LED radar fluorescent tubes, radar
Fluorescent tube is provided with radar sensor, can sense outside sources by means of electromagnetic waves.The present embodiment can be applied to（Such as）Get off on ground
The places such as storehouse.Under usually using environment, light fixture works long hours in low power state, changeable when sensing mobile object
The state lighted to total power, and can delay-action.
Inventor studies and obtained the principal performance of radar fluorescent tube, and makes improvement：It can enter in holding state
The low power LED light source array of row is lighted, and power carries out the LED light source of total power when sensing mobile object between 3 to 5W
Array is lighted, and power is between 12 to 15W.Therefore, the load of LED light source array 30 can be switched by load control circuit,
So as to realize that total power is lighted.
As shown in figure 1, as an improvement, load control circuit is by voltage-stablizer U1, stabilized switch Q1, excitation switch
Q2,3rd resistor R3, the 4th resistance R4 and diode D80 compositions.Wherein, MOS can be selected in stabilized switch Q1 and excitation switch Q2
Switch or other SPGAs are realized.Stabilized switch Q1 is connected in the power path of LED light source array 30, is tapped into again steady
The feeder ear VCC of depressor U1 inputs and sensor 10.In an example, the essential electrical component of the load control circuit is
Voltage-stablizer U1, it can be used（Such as）Low pressure difference linear voltage regulator（LDO）Or similar linear voltage stabilization device/chip, its output end
It is tapped into two-way path：Excitation switch Q2 is wherein accessed by the 4th resistance R4 all the way, another way is accessed by 3rd resistor R3
LED D80, the LED D80 are further grounded GND settings.Described in the triggering pin OUT accesses of sensor 10
Excitation switch Q2 is with input signal.
Wherein, the LED light source array 30 is configured as：Alternating voltage from the alternating current line of force is depressured, and passed through
The operating voltage VCC of the sensor 10 is supplied after the load control circuit voltage stabilizing.
Further, the LED light source array 30 is further electrically connected to booster circuit 20, and the booster circuit 20 is configured
For：Alternating voltage from the alternating current line of force is boosted, to be satisfied with the arrangement of LED light source array setting.
Wherein, LED light source array 30 is to have concatenated multiple LEDs with cascade（Or light-emitting particles）, such as it is common
79 LEDs D1 ..., D79, if the array of source realized with cascade can meet in the case where electric current is certain, often
One LED impartial current limliting step by step, is controlled to so as to input to the DC voltage on stabilized switch Q1（Such as）+ 12V,
Meet the operating voltage for starting sensor 10.
And the LED for more arranging, then can be according to startup due to the DC voltage V+ of input numerical value limitation
The requirement of voltage is boosted or is depressured to DC voltage V+, such as in the case of 200 LEDs, can use will
200V DC voltage V+ boosts to 330V.Therefore a booster circuit 20 can be installed, DC voltage V+ is boosted, at it
He can also be reduction voltage circuit or linear DC translation circuit, isolated variable circuit etc. in example.
Improved as another kind, be provided between the load control circuit and sensor and be connected to above-mentioned LED light source array
The stabilized switch Q1 of output end, it is configured as switching the operating current of LED light source array.Stabilized switch Q1 can be independently of upper
State that load control circuit is individually designed, the brightness switching switch of normal radar fluorescent tube can also be used.
In this improvement, load control circuit is by voltage-stablizer U1, excitation switch Q2,3rd resistor R3, the 4th resistance
R4 and diode D80 compositions.Stabilized switch Q1 is connected in the power path of LED light source array 30, is tapped into voltage-stablizer U1 again
The feeder ear VCC of input and sensor 10.
In an example, the essential electrical component of the load control circuit is voltage-stablizer U1, and its output end is tapped into two
Road path：Excitation switch Q2 is wherein accessed by the 4th resistance R4 all the way, another way accesses LED by 3rd resistor R3
D80, the LED D80 are further grounded GND settings.The triggering pin OUT accesses excitation switch Q2 of sensor 10
With input signal.In the example, voltage-stablizer U1 be as the load to LED light source array 30, such as 3rd resistor R3,
The switching control component of each LED internal resistances of 4th resistance R4 or above-mentioned.
In the above-described embodiments, each LED D1 ... with LED light source array 30 can be selected in LED D80,
The component of D79 same sizes, other diode components can also be used.
Further, the stabilized switch Q1 is electrically connected to voltage-stablizer U1 again, and wherein voltage-stablizer U1 one end is provided with one
The individual excitation for being electrically connected to the sensor output end switchs Q2, and the voltage-stablizer U1 is configured as：Switched by the excitation
Q2 is turned on according to pumping signal to change the conducting state of the stabilized switch Q1 so that lifts the work electricity of the LED lamp
Stream.
Wherein, should be first according to radar fluorescent tube small-power illuminating state（3 to 5W power）Under, LED light source array 30 is set
Static working current, to determine the relatively low Brightness Duty state of the LED light source array 30.According to above-described embodiment, voltage-stablizer
U1 output end is tapped into two-way path：Excitation switch Q2 is wherein accessed by the 4th resistance R4 all the way, another way passes through the 3rd
Resistance R3 access LEDs D80, the LED D80 are further grounded GND settings.Pass through 3rd resistor R3 and LED
Luminous tube D80 device property can set low current I1, and clamp voltage VCC after the decompression for passing through LED light source array 30, its is right
The input current answered is I2, therefore, the static working current I of LED light source array 300 = I1 + I2, in the above-described embodiments,
The relatively low Brightness Duty state of LED light source array 30 can be low light emission rate state or OFF state, but wherein still
Electric current be present., can be by adjusting 3rd resistor R3 come Indirect method static working current I in a preferred example0。
And after sensor 10 receives outside sources, pin OUT will produce driving voltage, corresponding to excitation switch Q2 and
R4 to voltage-stablizer U1 trigger, to the path of LED light source array 30 on feedback excitation electric current I3, so as in switching light emission rate state
Afterwards, the operating current I of LED light source array 30OUT = I1 + I2 + I3, LED light source array 30 will light by total power（12 to
15W）It is or brighter., can be by adjusting the 4th resistance R4 come Indirect method operating current I in a preferred exampleOUT。
If sensor 10 does not sense outside sources again in a preset time, or enters according to the preset time and treat
During machine state, pin OUT will export pick-off signal and give excitation switch Q1, in this way, the exciting current I of voltage-stablizer U1 triggerings3It will disappear
Lose, LED light source array 30 returns back to low light emission rate or OFF state again.
Wherein, the stabilized switch Q1 and excitation switch Q2 is installed in a manner of paster on LED particle substrate, to realize
Effectively radiating.It is preferred that this brightness switching device can be encapsulated on an individual layer surface-mounted integrated circuit, itself and LED light source it
Between electric property coupling can be subject to using pluggable mode.
Claims (5)
- A kind of 1. method for controlling LED lamp brightness switching, it is characterised in that including：The sensor sensing installed in the LED lamp is controlled the load for being electrically connected to the sensor to triggering during outside sources The pumping signal of circuit, wherein, the load control circuit provides stable operating voltage to the sensor；AndBy the operating current of the load control circuit lifting LED lamp to carry out brightness switching, whereinStarted by the sensor after extraneous source signal is sensed and export the pumping signal to load control circuit one Individual reverse trigger signal, so that the load control circuit reversely lifts the operating current at LED light source both ends, to realize LED State Transferring of the light source from relatively low light emission rate to high light-emitting rate.
- 2. the method for control LED lamp brightness switching according to claim 1, it is characterised in that the sensor is choosing With infrared heat sensor or photoelectric sensor, the outside sources are to trigger infrared signal or the triggering of the infrared heat sensor The optical signal of the photoelectric sensor.
- 3. the method for control LED lamp brightness switching according to claim 1, it is characterised in that further comprise：Pass through The LED light source array of the LED lamp is depressured to the alternating voltage from the alternating current line of force, and passes through the load control circuit The sensor provides stable operating voltage backward for voltage stabilizing.
- 4. the method for control LED lamp brightness switching according to claim 3, it is characterised in that the exchange will be come from The alternating voltage of power line is boosted, to be satisfied with the arrangement of LED light source array setting.
- 5. the method for control LED lamp brightness switching according to claim 1, it is characterised in that if sensor (10) exists When not sensing outside sources in one preset time again, or entering holding state according to the preset time, LED light source array (30) low light emission rate state is returned back to again.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711343384.7A CN108093513B (en) | 2015-12-30 | 2015-12-30 | A kind of method and brightness switching device of control LED lamp brightness switching |
| CN201711343383.2A CN107820350B (en) | 2015-12-30 | 2015-12-30 | Method for controlling brightness switching of LED lamp and brightness switching device |
| CN201711343368.8A CN108064102B (en) | 2015-12-30 | 2015-12-30 | Method for controlling brightness switching of LED lamp and brightness switching device |
| CN201511010625.7A CN105517241B (en) | 2015-12-30 | 2015-12-30 | A kind of method and brightness switching device for controlling LED lamp brightness switching |
| CN201711343386.6A CN108112117B (en) | 2015-12-30 | 2015-12-30 | Method for controlling brightness switching of LED lamp and brightness switching device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511010625.7A CN105517241B (en) | 2015-12-30 | 2015-12-30 | A kind of method and brightness switching device for controlling LED lamp brightness switching |
Related Child Applications (4)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711343386.6A Division CN108112117B (en) | 2015-12-30 | 2015-12-30 | Method for controlling brightness switching of LED lamp and brightness switching device |
| CN201711343384.7A Division CN108093513B (en) | 2015-12-30 | 2015-12-30 | A kind of method and brightness switching device of control LED lamp brightness switching |
| CN201711343383.2A Division CN107820350B (en) | 2015-12-30 | 2015-12-30 | Method for controlling brightness switching of LED lamp and brightness switching device |
| CN201711343368.8A Division CN108064102B (en) | 2015-12-30 | 2015-12-30 | Method for controlling brightness switching of LED lamp and brightness switching device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105517241A CN105517241A (en) | 2016-04-20 |
| CN105517241B true CN105517241B (en) | 2018-03-23 |
Family
ID=55724768
Family Applications (5)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711343383.2A Active CN107820350B (en) | 2015-12-30 | 2015-12-30 | Method for controlling brightness switching of LED lamp and brightness switching device |
| CN201511010625.7A Active CN105517241B (en) | 2015-12-30 | 2015-12-30 | A kind of method and brightness switching device for controlling LED lamp brightness switching |
| CN201711343386.6A Active CN108112117B (en) | 2015-12-30 | 2015-12-30 | Method for controlling brightness switching of LED lamp and brightness switching device |
| CN201711343368.8A Active CN108064102B (en) | 2015-12-30 | 2015-12-30 | Method for controlling brightness switching of LED lamp and brightness switching device |
| CN201711343384.7A Active CN108093513B (en) | 2015-12-30 | 2015-12-30 | A kind of method and brightness switching device of control LED lamp brightness switching |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711343383.2A Active CN107820350B (en) | 2015-12-30 | 2015-12-30 | Method for controlling brightness switching of LED lamp and brightness switching device |
Family Applications After (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711343386.6A Active CN108112117B (en) | 2015-12-30 | 2015-12-30 | Method for controlling brightness switching of LED lamp and brightness switching device |
| CN201711343368.8A Active CN108064102B (en) | 2015-12-30 | 2015-12-30 | Method for controlling brightness switching of LED lamp and brightness switching device |
| CN201711343384.7A Active CN108093513B (en) | 2015-12-30 | 2015-12-30 | A kind of method and brightness switching device of control LED lamp brightness switching |
Country Status (1)
| Country | Link |
|---|---|
| CN (5) | CN107820350B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106455206A (en) * | 2016-09-29 | 2017-02-22 | 普天智能照明研究院有限公司 | Control circuit, lamp tube circuit and power adjustment method |
| CN113194570A (en) * | 2021-04-27 | 2021-07-30 | Tcl通讯（宁波）有限公司 | Light emitting circuit, mobile terminal, LED strong light and jet liquid control method |
| CN113316303B (en) * | 2021-05-25 | 2023-11-03 | 中国人民解放军空军工程大学 | DC arc driven plasma synthetic jet array excitation device and method |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202634773U (en) * | 2012-04-23 | 2012-12-26 | 环能新创(北京)节能科技有限公司 | Human body sensing LED lamp |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100520721B1 (en) * | 1999-12-14 | 2005-10-11 | 가부시키가이샤 다키온 | Power supply and led lamp device |
| EP1919261A1 (en) * | 2006-10-30 | 2008-05-07 | Alcatel Lucent | Low frequency, constant current control circuit for power leds |
| CN102076144A (en) * | 2010-10-17 | 2011-05-25 | 尹文庭 | Solution to working power supply and power of two-wire-system electronic switch |
| TWM423842U (en) * | 2011-09-26 | 2012-03-01 | Mas Automation Corp | Luminance switching apparatus for LED lamp |
| CN202475895U (en) * | 2012-03-13 | 2012-10-03 | 陈碧 | Induction type LED (light emitting diode) illumination device |
| CN104968118B (en) * | 2012-10-30 | 2017-06-09 | 四川新力光源股份有限公司 | Sound-controlled delay LED drive circuit |
| CN203023957U (en) * | 2012-12-20 | 2013-06-26 | 四川新力光源股份有限公司 | Panel lamp capable of automatically switching luminance levels |
| CN203309861U (en) * | 2013-05-13 | 2013-11-27 | 深圳市比里通电子科技有限公司 | Multifunctional mobile battery with switching circuit |
| CN103547048A (en) * | 2013-11-14 | 2014-01-29 | 东莞欧其照明有限公司 | Lamp control system and method based on power line |
| DE202014101163U1 (en) * | 2014-03-14 | 2014-03-27 | Dong Guan Wisdom Electronics Co., Ltd. | LED light with radar sensor |
| CN205356767U (en) * | 2015-12-30 | 2016-06-29 | 杭州鸿雁电器有限公司 | Luminance auto -change over device of LED lamps and lanterns |
-
2015
- 2015-12-30 CN CN201711343383.2A patent/CN107820350B/en active Active
- 2015-12-30 CN CN201511010625.7A patent/CN105517241B/en active Active
- 2015-12-30 CN CN201711343386.6A patent/CN108112117B/en active Active
- 2015-12-30 CN CN201711343368.8A patent/CN108064102B/en active Active
- 2015-12-30 CN CN201711343384.7A patent/CN108093513B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202634773U (en) * | 2012-04-23 | 2012-12-26 | 环能新创(北京)节能科技有限公司 | Human body sensing LED lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108112117B (en) | 2020-06-05 |
| CN107820350A (en) | 2018-03-20 |
| CN108064102B (en) | 2020-04-14 |
| CN108112117A (en) | 2018-06-01 |
| CN108064102A (en) | 2018-05-22 |
| CN108093513B (en) | 2019-08-27 |
| CN105517241A (en) | 2016-04-20 |
| CN108093513A (en) | 2018-05-29 |
| CN107820350B (en) | 2020-04-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5108994B1 (en) | LED lamp and lighting device including the LED lamp | |
| RU2563042C2 (en) | Light diode circuit layout | |
| JP5720392B2 (en) | Light emitting diode drive device | |
| CN103748965B (en) | In response to the output of dimmer to the control of the light output of one or more LED | |
| KR20170117372A (en) | Current splitter for led lighting system | |
| KR20130118493A (en) | Led lighting device using ballaster for fluorescent lamp | |
| CN106195728B (en) | LED light lamp and the method for driving LED light lamp | |
| CN105517241B (en) | A kind of method and brightness switching device for controlling LED lamp brightness switching | |
| US20170339765A1 (en) | Lighting system built-in intelligence | |
| JPH11307815A (en) | Collective led lamp for ac power source | |
| CA2808880A1 (en) | Solid state lighting driver with thdi bypass circuit | |
| CN205912289U (en) | Adjustable LED lamp driving circuit of wide voltage | |
| CN101600277B (en) | LED circuit | |
| US9814107B2 (en) | Drive circuit and illumination device comprising the drive circuit | |
| CN1946257A (en) | Automatic light regulating energy saving lamp | |
| CN205356767U (en) | Luminance auto -change over device of LED lamps and lanterns | |
| EP2375863A2 (en) | External electrical-control lamp with improved structure | |
| CN203912269U (en) | Self-excited TRIAC dimming circuit | |
| CN203206567U (en) | LED lamp adjustment and control system | |
| TW200952541A (en) | LED driver circuit | |
| CN101702855B (en) | High-efficiency and low-consumption power supply circuit of power supply controller of LED illumination lamp | |
| CN201008220Y (en) | LED energy-saving lamp with body inductive switch | |
| CN201700052U (en) | PWM direct-current power supply control circuit | |
| CN201821557U (en) | LED lamp controlled through multi-channel constant voltage and constant current | |
| CN107124785B (en) | LED linear power supply dynamics compensation circuits, driving circuit and photoelectricity mould group |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |