CN109699105A - A kind of LED filament circuit for lamp of remote-controlled light modulation - Google Patents
A kind of LED filament circuit for lamp of remote-controlled light modulation Download PDFInfo
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- CN109699105A CN109699105A CN201910056333.9A CN201910056333A CN109699105A CN 109699105 A CN109699105 A CN 109699105A CN 201910056333 A CN201910056333 A CN 201910056333A CN 109699105 A CN109699105 A CN 109699105A
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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]
- H05B45/20—Controlling the colour 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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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of LED filament circuit for lamp of remote-controlled light modulation, including current rectifying and wave filtering circuit, voltage conversion circuit, radio control circuit, first constant-current circuit, second constant-current circuit, LED illuminating circuit and two electronic switches, each electronic switch is respectively provided with anode, cathode and control terminal, LED illuminating circuit includes two paths of LED luminescence unit, and the luminescent color in two paths of LED luminescence unit all the way is high color temperature, the luminescent color of another way is low color temperature, every paths of LEDs luminescence unit is respectively provided with anode and cathode, every paths of LEDs luminescence unit is that anode arrives cathode one-way conduction；Advantage is only to need to draw two connectivity ports by two conducting wires, and gas leakage risk is lower, and LED illuminating circuit is an entirety, and when off working state not will lead to product appearance deficiency, and inside LED luminescence component brightness is consistent when working condition, good illumination effect.
Description
Technical field
The present invention relates to a kind of LED filament circuit for lamp, more particularly, to a kind of LED filament circuit for lamp of remote-controlled light modulation.
Background technique
For LED filament lamp as a kind of omnidirectional's illuminating source, luminous efficiency is high, is widely used.Outside LED filament lamp
Shape is similar with traditional incandescent lamp shape, mainly includes lamp cap, LED glass envelope and the LED drive that lamp cap inner space is arranged in
Dynamic power supply.There are two electrode, two ends of two electrodes as LED filament lamp connection alternating current for setting on the lamp cap of LED filament lamp
Mouthful, LED glass envelope includes the LED illuminating circuit being arranged inside the glass envelope and glass envelope of a sealed light-transmitting, LED drive power
LED filament circuit for lamp is constituted with LED illuminating circuit.There are two input port and several output ends, LED to drive for LED drive power tool
The electrode of the input terminal connection lamp cap of dynamic power supply, the output end needs of LED drive power are connect with LED illuminating circuit, for this purpose,
The connectivity port of LED illuminating circuit needs to be drawn out to by conducting wire outside glass envelope to be connect with LED drive power.In order to improve LED
The working life of filament circuit for lamp, filled with heat transmission gas inside glass envelope, it is desirable that LED glass envelope favorable sealing property, thus
The fewer the extraction wire quantity of LED glass envelope the better.
In recent years, LED filament lamp gradually develops to intelligent direction, and the LED filament lamp of remote-controlled light modulation is as a kind of master
The intelligent LED filament lamp of stream is also widely applied.As shown in Figure 1, the LED filament circuit for lamp of existing remote-controlled light modulation
It mainly include current rectifying and wave filtering circuit, voltage conversion circuit, radio control circuit, the first constant-current circuit, the second constant-current circuit, first
LED illuminating circuit and the 2nd LED illuminating circuit, the first LED illuminating circuit and the 2nd LED illuminating circuit are located in glass envelope, the
The colour temperature of one LED illuminating circuit luminescent color is higher than the colour temperature of the 2nd LED illuminating circuit luminescent color.Current rectifying and wave filtering circuit has
Firewire input terminal, zero curve input, output end and ground terminal, voltage conversion circuit have input, output end and ground terminal, nothing
Line control circuit has input terminal, the first output end, second output terminal and ground terminal, and radio control circuit is according to received
After external wireless controls signal, first via PWM pulse-width signal, second output terminal output second are exported in its first output end
Road PWM pulse-width signal, the first constant-current circuit and the second constant-current circuit are respectively provided with power input, output end, control terminal
And ground terminal, the first LED illuminating circuit and the 2nd LED illuminating circuit are respectively provided with anode and cathode.The fire of current rectifying and wave filtering circuit
The firewire of line input termination alternating current, the zero curve of zero curve input termination alternating current, output end, the voltage conversion circuit of current rectifying and wave filtering circuit
Input terminal, the power input of the first constant-current circuit, the power input of the second constant-current circuit, the first LED illuminating circuit
The anode connection of anode and the 2nd LED illuminating circuit；The cathode of first LED illuminating circuit and the output end of the first constant-current circuit connect
It connects, the output end connection of the cathode and the second constant-current circuit of the 2nd LED illuminating circuit；The output end of voltage conversion circuit and wireless
The input terminal of control circuit connects, the control terminal connection of the first output end and the first constant-current circuit of radio control circuit, wirelessly
The second output terminal of control circuit is connected with the control terminal of the second constant-current circuit, the ground terminal of current rectifying and wave filtering circuit, voltage conversion
The ground terminal of circuit, the ground terminal of radio control circuit, the ground terminal of the first constant-current circuit and the ground terminal of the second constant-current circuit
Connection.
When the LED filament circuit for lamp of above-mentioned remote-controlled light modulation accesses alternating current, alternating current of the current rectifying and wave filtering circuit alternating current
Pressure is converted to DC voltage and exports in its output end, which is converted to suitable radio control circuit by voltage conversion circuit
The low-voltage dc voltage of work sends radio control circuit to, and radio control circuit controls signal in the external wireless received
Afterwards, signal is controlled according to the external wireless and exports corresponding first via control signal in its first output end, in its second output
End exports corresponding second tunnel and controls signal, and the first constant-current circuit is under first via control signal control in the output pair of its output end
The first LED illuminating circuit of current control of size is answered to shine, the second constant-current circuit is defeated at its under the second tunnel control signal control
The 2nd LED illuminating circuit of current control that outlet exports corresponding size shines, and the luminous intensity of the first LED illuminating circuit is by first
The size of current of the output end output of constant-current circuit determines that the luminous intensity of the 2nd LED illuminating circuit is by the second constant-current circuit
The size of current of output end output determines.The colour temperature of first LED illuminating circuit and the 2nd LED illuminating circuit luminescent color is different,
By controlling the size of current ratio of the first LED illuminating circuit and the 2nd LED illuminating circuit of flowing through, the LED glass envelope can be made to be in
Reveal any color of the boundary between the first LED illuminating circuit luminescent color and the 2nd LED illuminating circuit luminescent color
Light, to realize remote control light modulating.
But the LED filament circuit for lamp of above-mentioned remote-controlled light modulation has the following problems: one, needing will by three conducting wires
The anode connection terminal of first LED illuminating circuit and the 2nd LED illuminating circuit, the cathode of the first LED illuminating circuit and the 2nd LED hair
These three connectivity ports of the cathode of optical circuit are drawn respectively, and gas leakage risk is higher；Two, the first LED illuminating circuit and the 2nd LED hair
Optical circuit is two components being independently arranged, when LED filament circuit for lamp is arranged in transparent glass envelope, when LED filament lamp electricity
When the first LED illuminating circuit on road and the 2nd LED illuminating circuit bright simultaneously, user can be clearly seen that inside LED glass envelope
The first LED illuminating circuit and the 2nd LED illuminating circuit color difference, and when LED filament circuit for lamp adjust colour temperature be in most
When high or minimum or to will appear the first LED illuminating circuit very dark or the case where do not work or will appear the 2nd LED and shine
The case where circuit is very dark or does not work causes product appearance insufficient.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of LED filament circuit for lamp of remote-controlled light modulation, the LED filaments
The LED glass envelope of circuit for lamp can be drawn only there are two the connectivity port for needing to be drawn out to outside glass envelope by two conducting wires, be leaked
Gas risk is lower, and not will lead to product appearance deficiency, good illumination effect when LED glass envelope shines.
The technical scheme of the invention to solve the technical problem is: a kind of LED filament lamp electricity of remote-controlled light modulation
Road, including current rectifying and wave filtering circuit, voltage conversion circuit, radio control circuit, the first constant-current circuit, the second constant-current circuit and LED
Illuminating circuit, the current rectifying and wave filtering circuit have firewire input terminal, zero curve input, output end and ground terminal, the electricity
Voltage conversion circuit have input, output end and ground terminal, the radio control circuit have input terminal, the first output end,
Second output terminal and ground terminal, after the radio control circuit controls signal according to received external wireless, its
One output end exports first via PWM pulse-width signal, and second output terminal exports the second road PWM pulse-width signal, described
First constant-current circuit and second constant-current circuit are respectively provided with power input, output end, control terminal and ground terminal, described
The output end of voltage conversion circuit connected with the input terminal of the radio control circuit, the of the radio control circuit
One output end is connected with the control terminal of first constant-current circuit, the second output terminal of the radio control circuit and described
The second constant-current circuit control terminal connection, the LED filament circuit for lamp further includes two electronic switches, the electricity
Sub switch is respectively provided with anode, cathode and control terminal, when the control terminal of the electronic switch accesses high level, anode and
It is in off state between cathode, when the control terminal of the electronic switch accesses low level, in short between anode and cathode
Electronic switch described in two is referred to as the first electronic switch and the second electronic switch by line state, and the LED shines electric
Road includes two paths of LED luminescence unit, and the luminescent color in LED luminescence unit described in two-way all the way is high color temperature, another way
Luminescent color be low color temperature, LED luminescence unit described in every road is respectively provided with anode and cathode, and LED described in every road shines
Unit is anode to cathode one-way conduction, the anode of the LED luminescence unit described all the way of high color temperature and low color temperature it is another
The cathode of LED luminescence unit described in road connects and its connecting pin is the first connecting pin of the LED illuminating circuit, high color temperature
The cathode of LED luminescence unit and the another way of low color temperature described all the way described in LED luminescence unit anode connection and its
Connecting pin is the second connection end of the LED illuminating circuit, and the output end of the current rectifying and wave filtering circuit, the voltage turn
It is permanent to change the input terminal of circuit, positive, described first of the second positive, described electronic switch of first electronic switch
The power input of current circuit is connected with the power input of second constant-current circuit, and first electronic switch is born
Pole, the control terminal of second electronic switch, the output end of first constant-current circuit and the LED illuminating circuit
The connection of first connecting pin, the cathode of second electronic switch, the control terminal of first electronic switch, described second
The output end of constant-current circuit is connected with the second connection end of the LED illuminating circuit, the ground connection of the current rectifying and wave filtering circuit
End, the ground terminal of the ground terminal of the voltage conversion circuit, the radio control circuit, first constant-current circuit
Ground terminal is connected with the ground terminal of second constant-current circuit.
First electronic switch includes the first triode, first resistor, second resistance and first capacitor, and described the
One triode is PNP type triode, and one end of the first resistor is connected with the emitter of first triode and it
Connecting pin be first electronic switch anode, the other end of the first resistor, the second resistance one end,
One end of the first capacitor is connected with the base stage of first triode, the other end of the first capacitor and described
Second resistance the other end connection and its connecting pin be first electronic switch control terminal, first triode
Extremely described the first electronic switch of current collection cathode；Second electronic switch include the second triode, 3rd resistor,
4th resistance and the second capacitor, second triode are PNP type triode, one end of the 3rd resistor and described
The emitter of second triode connects and its connecting pin is the anode of second electronic switch, the 3rd resistor it is another
One end, one end of the 4th resistance, second capacitor one end connected with the base stage of second triode, institute
The other end for the 4th resistance stated is connected with the other end of second capacitor and its connecting pin is second electronic cutting
The control terminal of pass, the cathode of the second extremely described electronic switch of the current collection of second triode.
First constant-current circuit and second constant-current circuit use the first of model SM2123E to integrate jointly
Circuit chip and its peripheral circuit realize that the peripheral circuit includes the 5th resistance, the 6th resistance, the 7th resistance and the 8th
Resistance, the 6th foot of first IC chip are the output end of first constant-current circuit, and described first is integrated
5th foot of circuit chip is the output end of second constant-current circuit, the 1st foot of first IC chip and institute
The one end for the 5th resistance stated connects and its connecting pin is the control terminal of first constant-current circuit, the described first integrated electricity
3rd foot of road chip is connected with one end of the 6th resistance and its connecting pin is the control of second constant-current circuit
End, the 2nd foot of first IC chip are connected with one end of the 7th resistance, first integrated circuit
4th foot of chip is connected with one end of the 8th resistance, the bottom electrode of first IC chip, described
The other end of 5th resistance is connected with the other end of the 7th resistance and its connecting pin is connecing for first constant-current circuit
Ground terminal, the bottom electrode of first IC chip, the other end of described 6th resistance and the 8th resistance
The other end connection and its connecting pin be second constant-current circuit ground terminal, the 8th of first IC chip the
Foot be both the power input of first constant-current circuit and also be second constant-current circuit power input.The circuit
In, the main circuit of the first constant-current circuit and the second constant-current circuit is realized using the first IC chip, reduces peripheral cell
Quantity, it is at low cost.
The voltage conversion circuit includes the second IC chip, the 9th resistance, the tenth electricity of model SM7305M
Resistance, eleventh resistor, third capacitor, the 4th capacitor, the 5th capacitor, the 6th capacitor, first diode and the first inductance, it is described
5th capacitor is electrolytic capacitor, and the first diode is high-frequency rectification diode, second IC chip
5th foot is the input terminal of the voltage conversion circuit, the 1st foot of second IC chip and third electricity
One end of appearance connects, the 3rd foot of second IC chip, one end of the 9th resistance and the tenth electricity
One end of resistance connects, the 2nd foot of second IC chip, the other end of the third capacitor, the described the 9th
The other end of resistance, one end of the 4th capacitor, one end of first inductance and the first diode it is negative
Pole connection, the other end of the tenth resistance, one end of the eleventh resistor, the 4th capacitor the other end,
One end of the 6th positive, described capacitor of 5th capacitor is connected with the other end of first inductance and it is connected
End be the voltage conversion circuit output end, positive, described eleventh resistor of the first diode it is another
It holds, the cathode of the 5th capacitor is connected with the other end of the 6th capacitor and its connecting pin is that the voltage is converted
The ground terminal of circuit.The voltage conversion circuit realizes that circuit structure is simple using the constant voltage outputting circuit of conventional decompression mode,
Cost is relatively low.
The LED illuminating circuit includes n LED luminescence component, and n is the integer more than or equal to 1, each LED
Luminescence component respectively includes the first LED illuminating module and the 2nd LED illuminating module, and LED illuminating module, described described in every road
The luminescent color of first LED illuminating module is high color temperature, and the luminescent color of the 2nd LED illuminating module is low color temperature, institute
The first LED illuminating module and the 2nd LED illuminating module stated are respectively provided with anode and cathode, the first LED hair
Optical mode group and the 2nd LED illuminating module are anode to cathode one-way conduction, and the first LED illuminating module is just
Pole is connected with the cathode of the 2nd LED illuminating module and its connecting pin is the first connecting pin of the LED luminescence component, described
The cathode of first LED illuminating module and the anode of the 2nd LED illuminating module connect and its connecting pin is the LED luminescence component
Second connection end, when n is equal to 1, the first connecting pin of the LED luminescence component is the of the LED illuminating circuit
One connecting pin, the second connection end of the LED luminescence component is the second connection end of the LED illuminating circuit, described
First LED illuminating module of LED luminescence component constitutes a paths of LEDs luminescence unit of the LED illuminating circuit, the LED
2nd LED illuminating module of luminescence component constitutes the another way LED luminescence unit of the LED illuminating circuit, when n is more than or equal to
When 2, the first connecting pin of LED luminescence component described in the 1st is the first connecting pin of the LED illuminating circuit, j-th of institute
The second connection end for the LED luminescence component stated is connected with the first connecting pin of LED luminescence component described in jth+1, n-th of institute
The second connection end for the LED luminescence component stated is the second connection end of the LED illuminating circuit, the LED luminescence component
The first LED illuminating module constitute a paths of LEDs luminescence unit of the LED illuminating circuit packet, the LED luminescence component
2nd LED illuminating module constitutes the another way LED luminescence unit of the LED illuminating circuit packet, j=1,2 ..., n-1, n institute
The first LED illuminating module in the LED luminescence component stated constitutes a paths of LEDs luminescence unit of the LED illuminating circuit, and n is a
2nd LED illuminating module of the LED luminescence component constitutes the another way LED luminescence unit of the LED illuminating circuit.
The current rectifying and wave filtering circuit includes full bridge rectifier bridge and the 7th capacitor, and the 7th capacitor is electrolytic capacitor,
1st foot of the full bridge rectifier bridge be the current rectifying and wave filtering circuit firewire input terminal, the 3rd of the full bridge rectifier bridge the
Foot is the zero curve input terminal of the current rectifying and wave filtering circuit, the 2nd foot of the full bridge rectifier bridge and the 7th capacitor
Anode connection and its connecting pin are the output end of the current rectifying and wave filtering circuit, the 4th foot of the full bridge rectifier bridge and described
The 7th capacitor cathode connection and its connecting pin be the current rectifying and wave filtering circuit ground terminal.
Compared with the prior art, the advantages of the present invention are as follows pass through two electronic switches of setting, each electronic switch difference
With anode, cathode and control terminal, when the control terminal of electronic switch accesses high level, in breaking shape between anode and cathode
State is in short-circuit condition between anode and cathode when the control terminal of electronic switch accesses low level, by two electronic switches point
It is also known as the first electronic switch and the second electronic switch, LED illuminating circuit includes two paths of LED luminescence unit, and two paths of LED shines
Luminescent color in unit all the way is high color temperature, and the luminescent color of another way is low color temperature, and every paths of LEDs luminescence unit is respectively provided with
Anode and cathode, every paths of LEDs luminescence unit are anode to cathode one-way conduction, and a paths of LEDs luminescence unit of high color temperature is just
Pole is connected with the cathode of the another way LED luminescence unit of low color temperature and its connecting pin is the first connecting pin of LED illuminating circuit, high
The anode of the another way LED luminescence unit of the cathode and low color temperature of one paths of LEDs luminescence unit of colour temperature connects and its connecting pin is
The second connection end of the LED illuminating circuit, the output end of current rectifying and wave filtering circuit, the input terminal of voltage conversion circuit, first
The anode of electronic switch, the anode of the second electronic switch, the power input of the first constant-current circuit and the second constant-current circuit electricity
Source input terminal connection, the cathode of the first electronic switch, the control terminal of the second electronic switch, the first constant-current circuit output end and
First connecting pin of LED illuminating circuit connects, the cathode of the second electronic switch, the control terminal of the first electronic switch, the second constant current
The output end of circuit is connected with the second connection end of LED illuminating circuit, the ground terminal of current rectifying and wave filtering circuit, voltage conversion circuit
The ground terminal connection of ground terminal, the ground terminal of radio control circuit, the ground terminal of the first constant-current circuit and the second constant-current circuit；When
After LED filament circuit for lamp is linked into alternating current, the alternating voltage of alternating current is converted to high voltage direct current and is pressed in it by current rectifying and wave filtering circuit
The high-voltage dc voltage that current rectifying and wave filtering circuit exports is converted to suitable radio control circuit by output end output, voltage conversion circuit
The low-voltage dc voltage of work, radio control circuit export after receiving external wireless control signal in its first output end
First via PWM pulse-width signal, second output terminal export the second road PWM pulse-width signal, defeated when the first constant-current circuit
Entering to hold received signal is high level, when the input terminal received signal of the second constant-current circuit is low level, the first constant-current circuit
Output end constant current is connected over the ground, it is short-circuit between the anode and cathode of the second electronic switch, while the output of the second constant-current circuit
End cut-off, breaking between the anode and cathode of the first electronic switch, the high-voltage dc voltage of current rectifying and wave filtering circuit output passes through the
Two electronic switches and the first constant-current circuit are loaded into LED illuminating circuit, and driving current direction is to connect from the second of LED illuminating circuit
It connects end and flows to the first connecting pin, LED illuminating circuit issues low color temperature light；When the input terminal received signal of the first constant-current circuit
For low level, when the input terminal received signal of the second constant-current circuit is high level, the output end of the first constant-current circuit ends, the
It is breaking between the anode and cathode of two electronic switches, while constant current is connected the output end of the second constant-current circuit over the ground, the first electronics
Short-circuit between the anode and cathode of switch, the high-voltage dc voltage of the output end output of current rectifying and wave filtering circuit passes through the first electronics
Switch and the second constant-current circuit are loaded into LED illuminating circuit, and driving current direction is to flow from the first connecting pin of LED illuminating circuit
To second connection end, LED illuminating circuit issues high color temperature light, when the input terminal received signal of the first constant-current circuit is
Low level, the input terminal received signal of the second constant-current circuit are low level, and the output end of the first constant-current circuit ends, while the
The output end of two constant-current circuits ends, and LED illuminating circuit no current is flowed through, do not shone, the first output end of radio control circuit
And second output terminal, it will not all export high level simultaneously at any time, thus the present invention only needs to draw by two conducting wires
First connecting pin of LED illuminating circuit and the two connectivity ports of second connection end, gas leakage risk is lower, and LED shines
Circuit is an entirety, and when off working state not will lead to product appearance deficiency, inside LED luminescence component brightness when working condition
Unanimously, good illumination effect.
Detailed description of the invention
Fig. 1 is the structural block diagram of the LED filament circuit for lamp of existing remote-controlled light modulation；
Fig. 2 is the structural block diagram of the LED filament circuit for lamp of remote-controlled light modulation of the invention；
Fig. 3 is the circuit diagram of the LED filament circuit for lamp of remote-controlled light modulation of the invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment one: as shown in Fig. 2, a kind of LED filament circuit for lamp of remote-controlled light modulation, including current rectifying and wave filtering circuit, electricity
Voltage conversion circuit, radio control circuit, the first constant-current circuit, the second constant-current circuit and LED illuminating circuit, current rectifying and wave filtering circuit tool
There are firewire input terminal, zero curve input, output end and ground terminal, voltage conversion circuit has input, output end and ground terminal,
There is radio control circuit input terminal, the first output end, second output terminal and ground terminal, radio control circuit to be received according to it
External wireless control signal after, export first via PWM pulse-width signal, second output terminal output the in its first output end
Two road PWM pulse-width signals, the first constant-current circuit and the second constant-current circuit are respectively provided with power input, output end, control
End and ground terminal, the output end of voltage conversion circuit are connected with the input terminal of radio control circuit, and the first of radio control circuit
The connection of the control terminal of output end and the first constant-current circuit, the control of the second output terminal of radio control circuit and the second constant-current circuit
End connection, LED filament circuit for lamp further include two electronic switches, and each electronic switch is respectively provided with anode, cathode and control terminal,
It is in off state between anode and cathode, when the control terminal of electronic switch when the control terminal of electronic switch accesses high level
Access low level when, anode and cathode between be in short-circuit condition, by two electronic switches be referred to as the first electronic switch and
Second electronic switch, LED illuminating circuit include two paths of LED luminescence unit, and the luminescent color in two paths of LED luminescence unit all the way
For high color temperature, the luminescent color of another way is low color temperature, and every paths of LEDs luminescence unit is respectively provided with anode and cathode, every paths of LEDs hair
Light unit is that anode connects to cathode one-way conduction, the anode of a paths of LEDs luminescence unit and the cathode of another way LED luminescence unit
It connects and its connecting pin is the first connecting pin of LED illuminating circuit, the cathode and another way LED of a paths of LEDs luminescence unit shine single
Second connection end of the anode connection and its connecting pin of member for LED illuminating circuit, the output end of current rectifying and wave filtering circuit, voltage conversion
The input terminal of circuit, the anode of the first electronic switch, the anode of the second electronic switch, the first constant-current circuit power input and
The power input of second constant-current circuit connects, the cathode of the first electronic switch, the control terminal of the second electronic switch, the first constant current
The output end of circuit is connected with the first connecting pin of LED illuminating circuit, the control of the cathode of the second electronic switch, the first electronic switch
End processed, the second constant-current circuit output end connected with the second connection end of LED illuminating circuit, the ground terminal of current rectifying and wave filtering circuit,
The ground terminal of voltage conversion circuit, the ground terminal of radio control circuit, the first constant-current circuit ground terminal and the second constant-current circuit
Ground terminal connection.
As shown in figure 3, the first electronic switch includes the first triode Q1, first resistor R1, second resistance in the present embodiment
R2 and first capacitor C1, the first triode Q1 are PNP type triode, the transmitting of one end of first resistor R1 and the first triode Q1
Pole connection and its connecting pin are the anode of the first electronic switch, the other end of first resistor R1, one end of second resistance R2, first
One end of capacitor C1 is connected with the base stage of the first triode Q1, and the other end of first capacitor C1 and the other end of second resistance R2 connect
It connects and its connecting pin is the control terminal of the first electronic switch, the cathode of the current collection of the first triode Q1 extremely the first electronic switch；
Second electronic switch includes the second triode Q2,3rd resistor R3, the 4th resistance R4 and the second capacitor C2, and the second triode Q2 is
PNP type triode, one end of 3rd resistor R3 is connected with the emitter of the second triode Q2 and its connecting pin is the second electronic cutting
The anode of pass, the other end of 3rd resistor R3, one end of the 4th resistance R4, one end of the second capacitor C2 and the second triode Q2
The other end of base stage connection, the other end of the 4th resistance R4 and the second capacitor C2 connect and its connecting pin is the second electronic switch
Control terminal, the cathode of the current collection of the second triode Q2 extremely the second electronic switch.
As shown in figure 3, the first constant-current circuit and the second constant-current circuit use model SM2123E jointly in the present embodiment
The first IC chip U1 and its peripheral circuit realize that peripheral circuit includes the 5th resistance R5, the 6th resistance R6, the 7th
The 6th foot of resistance R7 and the 8th resistance R8, the first IC chip U1 are the output end of the first constant-current circuit, the first integrated electricity
The 5th foot of road chip U1 is the output end of the second constant-current circuit, the 1st foot of the first IC chip U1 and the 5th resistance R5's
One end connection and its connecting pin are the control terminal of the first constant-current circuit, the 3rd foot and the 6th resistance of the first IC chip U1
One end of R6 connects and its connecting pin is the control terminal of the second constant-current circuit, the 2nd foot and the 7th of the first IC chip U1
One end of resistance R7 connects, one end connection of the 4th foot and the 8th resistance R8 of the first IC chip U1, the first integrated circuit
The other end of the bottom electrode of chip U1, the other end of the 5th resistance R5 and the 7th resistance R7 connects and its connecting pin is first permanent
The ground terminal of current circuit, the bottom electrode of the first IC chip U1, the other end of the 6th resistance R6 and the 8th resistance R8
Other end connection and its connecting pin are the ground terminal of the second constant-current circuit, and the 8th foot of the first IC chip U1 is both first
The power input of constant-current circuit is also the power input of the second constant-current circuit.
As shown in figure 3, voltage conversion circuit includes the second IC chip of model SM7305M in the present embodiment
U2, the 9th resistance R9, the tenth resistance R10, eleventh resistor R11, third capacitor C3, the 4th capacitor C4, the 5th capacitor C5, the 6th
Capacitor C6, first diode D1 and the first inductance L1, the 5th capacitor C5 are electrolytic capacitor, and first diode D1 is high-frequency rectification two
Pole pipe, the 5th foot of the second IC chip U2 are the input terminal of voltage conversion circuit, the 1st of the second IC chip U2 the
Foot is connected with one end of third capacitor C3, the 3rd foot of the second IC chip U2, one end of the 9th resistance R9 and the tenth resistance
One end of R10 connects, the 2nd foot of the second IC chip U2, the other end of third capacitor C3, the 9th resistance R9 it is another
End, one end of the 4th capacitor C4, the first inductance L1 one end connected with the cathode of first diode D1, the tenth resistance R10's is another
One end, one end of eleventh resistor R11, the other end of the 4th capacitor C4, the anode of the 5th capacitor C5, the 6th capacitor C6 one end
Connected with the other end of the first inductance L1 and its connecting pin be voltage conversion circuit output end, the anode of first diode D1,
The other end of the other end of eleventh resistor R11, the cathode of the 5th capacitor C5 and the 6th capacitor C6 connects and its connecting pin is electricity
The ground terminal of voltage conversion circuit.
As shown in figure 3, LED illuminating circuit includes n LED luminescence component in the present embodiment, n is whole more than or equal to 1
Number, each LED luminescence component respectively include the first LED illuminating module and the 2nd LED illuminating module, every paths of LEDs illuminating module, the
The luminescent color of one LED illuminating module is high color temperature, and the luminescent color of the 2nd LED illuminating module is low color temperature, and the first LED shines
Mould group and the 2nd LED illuminating module are respectively provided with anode and cathode, the first LED illuminating module and the 2nd LED illuminating module are
Anode arrives cathode one-way conduction, and the anode of the first LED illuminating module is connected with the cathode of the 2nd LED illuminating module and its connecting pin
For the first connecting pin of LED luminescence component, the cathode of the first LED illuminating module and the anode connection of the 2nd LED illuminating module and
Its connecting pin is the second connection end of LED luminescence component, and when n is equal to 1, the first connecting pin of LED luminescence component shines for LED
First connecting pin of circuit, the second connection end of LED luminescence component are the second connection end of LED illuminating circuit, LED luminescence component
The first LED illuminating module constitute a paths of LEDs luminescence unit of LED illuminating circuit, the 2nd LED of LED luminescence component shines mould
Group constitutes the another way LED luminescence unit of LED illuminating circuit, and when n is more than or equal to 2, the first of the 1st LED luminescence component connects
Connect the first connecting pin that end is LED illuminating circuit, the luminous group of+1 LED of second connection end and jth of j-th of LED luminescence component
First connecting pin of part connects, and the second connection end of n-th of LED luminescence component is the second connection end of LED illuminating circuit, LED
One paths of LEDs luminescence unit of the first LED illuminating module composition LED illuminating circuit packet of luminescence component, the second of LED luminescence component
LED illuminating module constitutes the another way LED luminescence unit of LED illuminating circuit packet, j=1,2 ..., n-1, n LED luminescence component
In the first LED illuminating module constitute a paths of LEDs luminescence unit of LED illuminating circuit, the 2nd LED of n LED luminescence component is sent out
The another way LED luminescence unit of optical mode group composition LED illuminating circuit.
As shown in figure 3, current rectifying and wave filtering circuit includes full bridge rectifier bridge DB1 and the 7th capacitor C7, the 7th electricity in the present embodiment
Appearance C7 is electrolytic capacitor, and the 1st foot of full bridge rectifier bridge DB1 is the firewire input terminal of current rectifying and wave filtering circuit, full bridge rectifier bridge DB1's
3rd foot is the zero curve input terminal of current rectifying and wave filtering circuit, the anode connection of the 2nd foot of full bridge rectifier bridge DB1 and the 7th capacitor C7 and
Its connecting pin is the output end of current rectifying and wave filtering circuit, the cathode connection of the 4th foot of full bridge rectifier bridge DB1 and the 7th capacitor C7 and its
Connecting pin is the ground terminal of current rectifying and wave filtering circuit.
In the present embodiment, radio control circuit is realized using the matured product of prior art.
The operation principle of the present invention is that: after LED filament circuit for lamp is linked into alternating current, friendship of the current rectifying and wave filtering circuit alternating current
Galvanic electricity pressure is converted to high voltage direct current and is pressed in the output of its output end, the high straightening that voltage conversion circuit exports current rectifying and wave filtering circuit
Galvanic electricity pressure is converted to the low-voltage dc voltage of suitable radio control circuit work, and radio control circuit is receiving external wireless control
After signal processed, first via PWM pulse-width signal is exported in its first output end, second output terminal exports the second road PWM pulsewidth
Modulated signal, when the input terminal received signal of the first constant-current circuit is high level, the input terminal of the second constant-current circuit is received
When signal is low level, constant current is connected the output end of the first constant-current circuit over the ground, between the anode and cathode of the second electronic switch
Short circuit, while the output end cut-off of the second constant-current circuit, breaking between the anode and cathode of the first electronic switch, rectifying and wave-filtering electricity
The high-voltage dc voltage of road output is loaded into LED illuminating circuit, driving current by the second electronic switch and the first constant-current circuit
Direction is that the first connecting pin is flowed to from the second connection end of LED illuminating circuit, and LED illuminating circuit issues low color temperature light；When
The input terminal received signal of one constant-current circuit is low level, and the input terminal received signal of the second constant-current circuit is high level
When, the output end cut-off of the first constant-current circuit is breaking between the anode and cathode of the second electronic switch, while the second constant-current circuit
Output end constant current is connected over the ground, short-circuit between the anode and cathode of the first electronic switch, the output end of current rectifying and wave filtering circuit is defeated
High-voltage dc voltage out is loaded into LED illuminating circuit, driving current direction by the first electronic switch and the second constant-current circuit
To flow to second connection end from the first connecting pin of LED illuminating circuit, LED illuminating circuit issues high color temperature light, when the first perseverance
The input terminal received signal of current circuit is low level, and the input terminal received signal of the second constant-current circuit is low level, first
The output end of constant-current circuit ends, while the output end cut-off of the second constant-current circuit, LED illuminating circuit no current are flowed through, do not sent out
Light, the first output end and second output terminal of radio control circuit, will not all export high level simultaneously at any time.It will be wireless
The period of control circuit output control signal is denoted as T, and in cycle T, the time of the first output end output high level is set as T1, the
The time of two output ends output high level signal is set as T2, is denoted as I1 in electric current of first constant-current circuit when output end is connected,
Electric current of second constant-current circuit when output end is connected is denoted as I2, and within a T period, LED illuminating circuit shines in low color temperature
When average current i2=(T2/T) * I2 when high color temperature shines of average current i1=(T1/T) * I1, LED illuminating circuit, nothing
By being when low color temperature shines or high color temperature shines, the light emission luminance of LED illuminating circuit is proportional to the size of its average current.
So the light emission luminance of LED illuminating circuit is proportional to total current I=i1+i2, the luminescent color and i1 of LED illuminating circuit and i2's
Ratio is related.Because electric current I1 and I2 are the given datas pre-set, it is usually set to I1=I2, so by adjusting T1
With the ratio of T2, so that it may the luminous intensity ratio of high color temperature and low color temperature is adjusted, to adjust the luminous face of LED illuminating circuit
Color, and change ratio of the T1+T2 in a cycle T, the brightness of adjustable LED illuminating circuit.Occur naked eyes in order to prevent
The cycle T of sentient scintillation, radio control circuit output control signal of the invention is less than or equal to 10mS.
Claims (6)
1. a kind of LED filament circuit for lamp of remote-controlled light modulation, including current rectifying and wave filtering circuit, voltage conversion circuit, wireless control electricity
Road, the first constant-current circuit, the second constant-current circuit and LED illuminating circuit, the current rectifying and wave filtering circuit have firewire input terminal, zero
Line input, output end and ground terminal, the voltage conversion circuit have input, output end and ground terminal, the nothing
Line control circuit has input terminal, the first output end, second output terminal and ground terminal, and the radio control circuit connects according to it
After the external wireless control signal received, first via PWM pulse-width signal is exported in its first output end, second output terminal is defeated
It is defeated that second road PWM pulse-width signal out, first constant-current circuit and second constant-current circuit are respectively provided with power supply
Enter end, output end, control terminal and ground terminal, the output end of the voltage conversion circuit and the radio control circuit it is defeated
Enter end connection, the first output end of the radio control circuit is connected with the control terminal of first constant-current circuit, described
The second output terminal of radio control circuit connected with the control terminal of second constant-current circuit, it is characterised in that it is described
LED filament circuit for lamp further includes two electronic switches, and each electronic switch is respectively provided with anode, cathode and control terminal,
It is in off state between anode and cathode, when the electronics when the control terminal of the electronic switch accesses high level
When the control terminal of switch accesses low level, it is in short-circuit condition between anode and cathode, electronic switch described in two is distinguished
Referred to as the first electronic switch and the second electronic switch, the LED illuminating circuit include two paths of LED luminescence unit, and two-way institute
Luminescent color in the LED luminescence unit stated all the way is high color temperature, and the luminescent color of another way is low color temperature, described in every road
LED luminescence unit is respectively provided with anode and cathode, and LED luminescence unit described in every road is anode to cathode one-way conduction, high
The anode of the LED luminescence unit described all the way of colour temperature is connected with the cathode of LED luminescence unit described in the another way of low color temperature
And its connecting pin is the first connecting pin of the LED illuminating circuit, the cathode of the LED luminescence unit described all the way of high color temperature
The anode connection of LED luminescence unit described in another way with low color temperature and its connecting pin is the of the LED illuminating circuit
Two connecting pins, the output end of the current rectifying and wave filtering circuit, the input terminal of the voltage conversion circuit, first electronics
The power input of the first positive, described constant-current circuit of the second positive, described electronic switch of switch and described
The power input of two constant-current circuits connects, the control of the cathode of first electronic switch, second electronic switch
It holds, the output end of first constant-current circuit is connected with the first connecting pin of the LED illuminating circuit, second electricity
The cathode of sub switch, the control terminal of first electronic switch, second constant-current circuit output end and the LED
The second connection end of illuminating circuit connects, the ground connection of the ground terminal of the current rectifying and wave filtering circuit, the voltage conversion circuit
End, the ground terminal of the radio control circuit, first constant-current circuit ground terminal and second constant-current circuit
Ground terminal connection.
2. a kind of LED filament circuit for lamp of remote-controlled light modulation according to claim 1, it is characterised in that first electricity
Sub switch includes the first triode, first resistor, second resistance and first capacitor, and first triode is three pole of positive-negative-positive
Pipe, one end of the first resistor is connected with the emitter of first triode and its connecting pin is first electricity
The anode of sub switch, the other end of the first resistor, one end of the second resistance, the first capacitor one end
It is connected with the base stage of first triode, the other end of the other end of the first capacitor and the second resistance connects
Connect and its connecting pin be the control terminal of first electronic switch, the current collection of first triode it is extremely described first
The cathode of electronic switch；Second electronic switch includes the second triode, 3rd resistor, the 4th resistance and the second capacitor,
Second triode is PNP type triode, the emitter of one end of the 3rd resistor and second triode
Connection and its connecting pin are the anode of second electronic switch, the other end of the 3rd resistor, the 4th electricity
One end of resistance, second capacitor one end connected with the base stage of second triode, the 4th resistance it is another
One end is connected with the other end of second capacitor and its connecting pin is the control terminal of second electronic switch, described
The cathode of the second extremely described electronic switch of the current collection of second triode.
3. a kind of LED filament circuit for lamp of remote-controlled light modulation according to claim 1, it is characterised in that described first is permanent
Current circuit and second constant-current circuit use the first IC chip and its peripheral circuit of model SM2123E jointly
It realizes, the peripheral circuit includes the 5th resistance, the 6th resistance, the 7th resistance and the 8th resistance, and described first integrated
6th foot of circuit chip is the output end of first constant-current circuit, and the 5th foot of first IC chip is institute
The output end for the second constant-current circuit stated, the 1st foot of first IC chip and one end of the 5th resistance
Connection and its connecting pin are the control terminal of first constant-current circuit, the 3rd foot of first IC chip and institute
The one end for the 6th resistance stated connects and its connecting pin is the control terminal of second constant-current circuit, the described first integrated electricity
2nd foot of road chip is connected with one end of the 7th resistance, the 4th foot of first IC chip and described
One end of 8th resistance connects, the bottom electrode of first IC chip, the 5th resistance the other end and
The other end of 7th resistance connects and its connecting pin is the ground terminal of first constant-current circuit, first collection
It is connected at the other end of the bottom electrode of circuit chip, the 6th resistance with the other end of the 8th resistance and it connects
Connect the ground terminal that end is second constant-current circuit, the 8th foot of first IC chip had both been described first
The power input of constant-current circuit is also the power input of second constant-current circuit.
4. a kind of LED filament circuit for lamp of remote-controlled light modulation according to claim 1, it is characterised in that the voltage becomes
Change the second IC chip, the 9th resistance, the tenth resistance, eleventh resistor, the third electricity that circuit includes model SM7305M
Appearance, the 4th capacitor, the 5th capacitor, the 6th capacitor, first diode and the first inductance, the 5th capacitor are electrolytic capacitor,
The first diode is high-frequency rectification diode, and the 5th foot of second IC chip is that the voltage becomes
The input terminal of circuit is changed, the 1st foot of second IC chip is connected with one end of the third capacitor, described
3rd foot of the second IC chip, one end of the 9th resistance are connected with one end of the tenth resistance, described
2nd foot of the second IC chip, the other end of the third capacitor, the 9th resistance the other end, described
One end of 4th capacitor, first inductance one end connected with the cathode of the first diode, described tenth electricity
The other end of resistance, one end of the eleventh resistor, the other end of the 4th capacitor, the 5th capacitor are just
Pole, the 6th capacitor one end connected with the other end of first inductance and its connecting pin be the voltage transformation
The output end of circuit, the other end of positive, described eleventh resistor of the first diode, the 5th capacitor
Cathode is connected with the other end of the 6th capacitor and its connecting pin is the ground terminal of the voltage conversion circuit.
5. a kind of LED filament circuit for lamp of remote-controlled light modulation according to claim 1, it is characterised in that the LED hair
Optical circuit includes n LED luminescence component, and n is the integer more than or equal to 1, and each LED luminescence component respectively includes first
LED illuminating module and the 2nd LED illuminating module, LED illuminating module described in every road, the hair of the first LED illuminating module
Light color is high color temperature, and the luminescent color of the 2nd LED illuminating module is low color temperature, the first LED illuminating module
Anode and cathode, the first LED illuminating module and described second are respectively provided with the 2nd LED illuminating module
LED illuminating module is that anode arrives cathode one-way conduction, the anode of the first LED illuminating module and the luminous mould of the 2nd LED
The cathode of group connects and its connecting pin is the first connecting pin of the LED luminescence component, the first LED illuminating module
Cathode and the anode of the 2nd LED illuminating module connect and its connecting pin is the second connection end of the LED luminescence component, works as n
When equal to 1, the first connecting pin of the LED luminescence component is the first connecting pin of the LED illuminating circuit, described
The second connection end of LED luminescence component is the second connection end of the LED illuminating circuit, the of the LED luminescence component
One paths of LEDs luminescence unit of the one LED illuminating module composition LED illuminating circuit, the second of the LED luminescence component
LED illuminating module constitutes the another way LED luminescence unit of the LED illuminating circuit, when n is more than or equal to 2, described in the 1st
LED luminescence component the first connecting pin be the LED illuminating circuit the first connecting pin, LED described in j-th shines group
The second connection end of part is connected with the first connecting pin of LED luminescence component described in jth+1, and LED described in n-th shines group
The second connection end of part is the second connection end of the LED illuminating circuit, and the first LED of the LED luminescence component shines
Mould group constitutes a paths of LEDs luminescence unit of the LED illuminating circuit packet, the luminous mould of the 2nd LED of the LED luminescence component
Group constitutes the another way LED luminescence unit of the LED illuminating circuit packet, j=1,2 ..., n-1, and the n LED shine group
The first LED illuminating module in part constitutes a paths of LEDs luminescence unit of the LED illuminating circuit, and the n LED shine
2nd LED illuminating module of component constitutes the another way LED luminescence unit of the LED illuminating circuit.
6. a kind of LED filament circuit for lamp of remote-controlled light modulation according to claim 1, it is characterised in that the rectification filter
Wave circuit includes full bridge rectifier bridge and the 7th capacitor, and the 7th capacitor is electrolytic capacitor, and the 1st of the full bridge rectifier bridge the
Foot is the firewire input terminal of the current rectifying and wave filtering circuit, and the 3rd foot of the full bridge rectifier bridge is the rectifying and wave-filtering electricity
The anode connection of the zero curve input terminal on road, the 2nd foot of the full bridge rectifier bridge and the 7th capacitor and its connecting pin is
4th foot of the output end of the current rectifying and wave filtering circuit, the full bridge rectifier bridge is connected with the cathode of the 7th capacitor
And its connecting pin is the ground terminal of the current rectifying and wave filtering circuit.
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| CN201910056333.9A CN109699105B (en) | 2019-01-22 | 2019-01-22 | LED filament lamp circuit capable of remotely controlling light modulation |
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| CN201910056333.9A CN109699105B (en) | 2019-01-22 | 2019-01-22 | LED filament lamp circuit capable of remotely controlling light modulation |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351922A (en) * | 2019-05-30 | 2019-10-18 | 鹰潭阳光照明有限公司 | A kind of intelligence light-adjustable LED lamp |
| CN110996454A (en) * | 2019-12-31 | 2020-04-10 | 珠海雷特科技股份有限公司 | Complementary PWM dimming method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20170231055A1 (en) * | 2016-02-10 | 2017-08-10 | Hubbell Incorporated | Toggle Control for Lighting System |
| CN207399569U (en) * | 2017-11-07 | 2018-05-22 | 厦门市义圆源科技有限公司 | A kind of LED light modulations toning circuit |
| CN207687722U (en) * | 2017-11-29 | 2018-08-03 | 佛山电器照明股份有限公司 | A kind of LED filament lamp convenient for detection gas leakage |
| US20180259135A1 (en) * | 2015-03-10 | 2018-09-13 | Jiaxing Super Lighting Electric Appliance Co., Ltd | Led tube lamp and power supply module applicable thereto |
| CN108601161A (en) * | 2018-07-02 | 2018-09-28 | 深圳佳比泰智能照明股份有限公司 | A kind of sectional power supply formula Multi-way touch Bluetooth control list firewire switching circuit |
| CN108770116A (en) * | 2018-05-03 | 2018-11-06 | 新和（绍兴）绿色照明有限公司 | A kind of linear constant current LED filament lamp of twin voltage compatibility |
| CN208175047U (en) * | 2018-05-03 | 2018-11-30 | 新和（绍兴）绿色照明有限公司 | A kind of linear constant current LED filament lamp that twin voltage is compatible |
| CN208337937U (en) * | 2018-03-26 | 2019-01-04 | 漳州立达信灯具有限公司 | LED light tube drive circuit and LED illumination device |
-
2019
- 2019-01-22 CN CN201910056333.9A patent/CN109699105B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20180259135A1 (en) * | 2015-03-10 | 2018-09-13 | Jiaxing Super Lighting Electric Appliance Co., Ltd | Led tube lamp and power supply module applicable thereto |
| US20170231055A1 (en) * | 2016-02-10 | 2017-08-10 | Hubbell Incorporated | Toggle Control for Lighting System |
| CN207399569U (en) * | 2017-11-07 | 2018-05-22 | 厦门市义圆源科技有限公司 | A kind of LED light modulations toning circuit |
| CN207687722U (en) * | 2017-11-29 | 2018-08-03 | 佛山电器照明股份有限公司 | A kind of LED filament lamp convenient for detection gas leakage |
| CN208337937U (en) * | 2018-03-26 | 2019-01-04 | 漳州立达信灯具有限公司 | LED light tube drive circuit and LED illumination device |
| CN108770116A (en) * | 2018-05-03 | 2018-11-06 | 新和（绍兴）绿色照明有限公司 | A kind of linear constant current LED filament lamp of twin voltage compatibility |
| CN208175047U (en) * | 2018-05-03 | 2018-11-30 | 新和（绍兴）绿色照明有限公司 | A kind of linear constant current LED filament lamp that twin voltage is compatible |
| CN108601161A (en) * | 2018-07-02 | 2018-09-28 | 深圳佳比泰智能照明股份有限公司 | A kind of sectional power supply formula Multi-way touch Bluetooth control list firewire switching circuit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110351922A (en) * | 2019-05-30 | 2019-10-18 | 鹰潭阳光照明有限公司 | A kind of intelligence light-adjustable LED lamp |
| CN110996454A (en) * | 2019-12-31 | 2020-04-10 | 珠海雷特科技股份有限公司 | Complementary PWM dimming method |
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