CN109068451A - A kind of LED panel lamp of adjustable color temperature and brightness - Google Patents
A kind of LED panel lamp of adjustable color temperature and brightness Download PDFInfo
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- CN109068451A CN109068451A CN201811078916.3A CN201811078916A CN109068451A CN 109068451 A CN109068451 A CN 109068451A CN 201811078916 A CN201811078916 A CN 201811078916A CN 109068451 A CN109068451 A CN 109068451A
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- 230000001012 protector Effects 0.000 claims abstract description 8
- 239000003990 capacitor Substances 0.000 claims description 130
- 230000005611 electricity Effects 0.000 claims description 12
- 238000009434 installation Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 230000001681 protective effect Effects 0.000 claims 1
- 230000001276 controlling effect Effects 0.000 abstract description 5
- 230000001105 regulatory effect Effects 0.000 abstract description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000087 stabilizing effect Effects 0.000 description 2
- 241001465382 Physalis alkekengi Species 0.000 description 1
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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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- 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
-
- 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]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective 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 present invention provides the LED panel lamp of a kind of adjustable color temperature and brightness, including LED light strip, power module, color temperature adjustment switch, LED light strip includes the first color temperature value LED light group, second color temperature value LED light group, power module includes the brightness control module for controlling LED panel lamp brightness, the overheat protector module that LED panel lamp circuit excess temperature is protected, the overcurrent protection module that LED panel lamp circuit overcurrent is protected, the output short circuit protection module that LED panel lamp circuit output short circuit is protected, the brightness of panel light is adjusted by integrated chip, increase to circuit excess temperature, the protection of overcurrent and short circuit, improve reliability and safety that LED panel lamp uses, it is carried out using colour temperature of the toggle switch to LED panel lamp sectional-regulated so that adjusting is more convenient.The LED panel lamp of a kind of adjustable color temperature and brightness provided by the invention has the advantages that be adjustable brightness and colour temperature, high reliablity, easy to use.
Description
Technical field
The present invention relates to lighting technical field more particularly to the LED panel lamps of a kind of adjustable color temperature and brightness.
Background technique
LED panel lamp is a using LED as the common illuminator of light bar, and the light of LED light strip is passing through high transparency
Light guide plate after form a kind of uniform flat luminous effect, have that illuminance uniformity is good, light is soft, comfortably without blinding
Characteristic bright, that asthenopia can be effectively relieved, while also having both that low energy consumption, calorific value is low, long service life, stability height etc. are excellent
Point.With the raising that development in science and technology, people pursue quality of the life, the requirement of LED panel lamp is also changed,
From it is incipient pursue bright, energy conservation become to wish can with brightness required for sets itself and colour temperature, such as winter when
Wait using warm colour light, when summer using cool colour light, in bedroom using soft light, in parlor using limpid
Light etc., but current LED lamp is mostly the LED lamp of monochromatic LED lamps and lanterns or only brightness control function, while also market
Upper there is the product that many reliabilities are low, safety is poor, it is more more and more urgent need to provide for user it is a kind of reliable, easily adjustable
The LED lamp of colour temperature and brightness function.
Summary of the invention
Based on the prior art there are the above problem, the present invention provides the LED panel lamp of a kind of adjustable color temperature and brightness, packet
LED light strip, power module, color temperature adjustment switch are included, the LED light strip includes the first color temperature value LED light group, the second color temperature value
LED light group, the first color temperature value LED light group and the second color temperature value LED light group are respectively by the LED light string of several identical color temperature values
Connection composition and be alternately arranged in LED light strip, the power module respectively with the first color temperature value LED light group and the second color
The connection of temperature value LED light group, the power module include the brightness control module for controlling LED panel lamp brightness, to LED panel lamp electricity
Pass by overheat protector module that temperature protected, overcurrent protection module that LED panel lamp circuit overcurrent is protected, to LED
The output short circuit protection module that panel light circuit output short circuit is protected, color temperature adjustment switch respectively with the first color temperature value
LED light group and the colour temperature of the series connection of the second color temperature value LED light group, control LED panel lamp.By integrated chip to LED panel lamp
Brightness while be adjusted, increase to circuit excess temperature, overcurrent and the protection of short circuit, improve that LED panel lamp uses can
By property and safety, using colour temperature of the simple toggle switch to LED panel lamp carry out it is sectional-regulated so that color temperature adjustment more
It is convenient.The LED panel lamp of a kind of adjustable color temperature and brightness provided by the invention has adjustable brightness and colour temperature, reliability
Advantage high, easy to use.
The present invention is achieved the goal by technical solution in detailed below:
A kind of LED panel lamp of adjustable color temperature and brightness, including LED light strip, power module, color temperature adjustment switch, the LED
Light bar includes the first color temperature value LED light group, the second color temperature value LED light group, the first color temperature value LED light group and the second color temperature value
LED light group is composed in series by the LED light of several identical color temperature values respectively, and the LED light of different color temperature value is alternately arranged
In LED light strip；The power module includes the brightness control module for controlling LED panel lamp brightness, to LED panel lamp circuit mistake
Overheat protector module that temperature is protected, the overcurrent protection module that LED panel lamp circuit overcurrent is protected, to LED panel
The output short circuit protection module that circuit for lamp output short-circuit is protected, each module installation in power module is on circuit boards and phase
Mutually it is electrically connected；The color temperature adjustment switchs the output end that one end is connected to power module；The other end respectively with the first color temperature value
LED light group and the series connection of the second color temperature value LED light group, control the first color temperature value LED light group and the second color temperature value LED light group respectively
It unlatches and closes.
Wherein, be provided in the power module driving chip U1, fuse F1, bridge rectifier BD1, switching tube Q1,
Inductance L3, transformer T1, zener diode ZD1, diode D1, diode D2, diode D3, varistor MOV1, resistance R2,
Resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R10, resistance R11, resistance R12, resistance R14, electricity
Hinder R15, resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, resistance R21, resistance R22, resistance R23, capacitor C1,
Capacitor C2, capacitor C3, capacitor C4, capacitor C5, capacitor C6, electrolytic capacitor C7, electrolytic capacitor C8, electrolytic capacitor C9, capacitor C10,
Capacitor C11, capacitor C12, capacitor C13, capacitor C15, capacitor C16；
Wherein, the port the bridge rectifier BD1 3 and port 2 connect AC power source, the port the bridge rectifier BD1 3 and friendship
Galvanic electricity source junction is provided with fuse F1, and the varistor MOV1 and the both ends capacitor C15 are separately connected bridge rectifier BD1
Port 3 and port 2, the port resistance R2 connection bridge rectifier BD1 1, the resistance R2 other end be separately connected inductance L3,
Resistance R3, capacitor C12, the capacitor C12 other end are separately connected the port bridge rectifier BD1 4, capacitor C1, capacitor C2, protection
Ground, the inductance L3 other end are separately connected the resistance R3 other end, the capacitor C2 other end, resistance R6, resistance R7, resistance R10, electricity
Hold C3, transformer T1 input 1, the capacitor C1 other end connects the resistance R6 other end, the resistance R7 other end connection electricity
R8 is hindered, the capacitor C3 other end connects resistance R11, diode D1 cathode, and the resistance R10 other end connection resistance R11 is another
One end, the diode D1 anode connect transformer T1 input 2；
Wherein, the port resistance R17 connection bridge rectifier BD1 3, the resistance R17 other end connects resistance R18, described
The resistance R18 other end is separately connected resistance R16, capacitor C11, driving chip U1 pin VIN, the resistance R16 other end connection
Resistance R15, the resistance R15 other end connect the port bridge rectifier BD1 2, and the capacitor C11 other end is separately connected capacitor
C4, electrolytic capacitor C7 cathode, capacitor C13, resistance R14, driving chip U1 pin GND, protecting field, the capacitor C13 other end
Connect the resistance R14 other end, driving chip U1 pin CFG, the capacitor C4 other end connection electrolytic capacitor C7 anode, driving core
Piece U1 pin VCC, the resistance R4 are separately connected resistance R5, driving chip U1 pin ISNS, the resistance R4 other end connection
The resistance R5 other end, capacitor C5, protecting field, the capacitor C5 other end are separately connected diode D2 anode, switching tube Q1 input
End, driving chip U1 pin VS, the diode D2 cathode is separately connected the resistance R8 other end, resistance R12, capacitor C6, described
The capacitor C6 other end is separately connected zener diode ZD1 anode, protecting field, and the resistance R12 other end is separately connected pressure stabilizing two
Pole pipe ZD1 cathode, switching tube Q1 controlled end, the capacitor C16 are separately connected resistance R20, driving chip U1 pin VD, the electricity
Hold the C16 other end and be separately connected resistance R22, driving chip U1 pin VCB, the resistance R20 other end connects resistance R19, institute
It states the resistance R19 other end and is separately connected switching tube output end, transformer T1 input 2, the resistance R22 other end connects resistance
R21, the resistance R21 other end connect transformer T1 input 1, and the diode D3 anode connects transformer T1 output end 3,
It is negative that the diode D3 cathode is separately connected electrolytic capacitor C8 anode, electrolytic capacitor C9 anode, resistance R23, the diode D3
Pole connects the anode of the first color temperature value LED light group and the second color temperature value LED light group, and the resistance R23 other end is separately connected change
Depressor T1 output end 4, electrolytic capacitor C8 cathode, electrolytic capacitor C9 cathode, signal ground, the resistance R23 other end pass through colour temperature
Regulating switch is separately connected the cathode of the first color temperature value LED light group and the second color temperature value LED light group, the both ends the capacitor C10 point
It Lian Jie not protecting field, signal ground；
Wherein, the resistance R15, resistance R16, resistance R17, resistance R18 and driving chip U1 constitute brightness control module, pass through
Change access resistance power supply output control and then adjusts the brightness of LED panel lamp；The capacitor C13 and resistance R14 with
Driving chip U1 constitutes overheat protector module, protects when circuit temperature is more than setting value to circuit；The resistance R4, electricity
It hinders R5 and driving chip U1 and constitutes overcurrent protection module, circuit is protected when electric current is more than limit value；The resistance 19,
Resistance 20, resistance 21, resistance 22, capacitor C16 and driving chip U1 constitute output short circuit protection module, when short circuit occurs in circuit
Circuit is protected.
Wherein, the driving chip U1 is that three tunnels are stirred using IW3681 driving chip, the color temperature adjustment switch
Switch the first color temperature value LED light group of connection and the second color temperature value LED light group or is only connected simultaneously by stirring color temperature adjustment switch
It is logical wherein one group carry out color temperature adjustment.
Wherein, the power module and color temperature adjustment switch are arranged in controlling terminal casing is existed by cable and setting
LED light band connection in LED panel lamp.
The present invention by adopting the above technical scheme the utility model has the advantages that by integrated chip to LED panel lamp brightness carry out
While adjusting, increases to circuit excess temperature, overcurrent and the protection of short circuit, improve the reliability and safety that LED panel lamp uses
Property, at the same can use simple toggle switch to the colour temperature of LED panel lamp carry out it is sectional-regulated so that color temperature adjustment more just
It is prompt.
Detailed description of the invention
Fig. 1, LED panel lamp circuit diagram of the embodiment of the present invention.
Fig. 2, light bar structural schematic diagram of the embodiment of the present invention.
Fig. 3, LED panel lamp structural schematic diagram of the embodiment of the present invention.
Fig. 4, LED panel lamp structural schematic diagram of the embodiment of the present invention.
In order to avoid the appended drawing reference of each modular unit and the label of electric elements output input are obscured, in this patent
The appended drawing reference of each modular unit is using 00X(001,002,003 etc.) form.
Specific embodiment
The invention will be further described combined with specific embodiments below.
A kind of LED panel lamp of adjustable color temperature and brightness as shown in drawings, including LED light strip 001, power module
002, color temperature adjustment switch 003, the LED light strip 001 include the first color temperature value LED light group 0011, the second color temperature value LED light group
0012, the first color temperature value LED light group 0011 and the second color temperature value LED light group 0012 are respectively by the LED of 2 identical color temperature values
Lamp is composed in series, and the LED light of different color temperature value is alternately arranged in LED light strip 001；The power module 002 wraps
The brightness control module 0021 for including control LED panel lamp brightness, the overheat protector mould that LED panel lamp circuit excess temperature is protected
Block 0022, the overcurrent protection module 0023 that LED panel lamp circuit overcurrent is protected, to LED panel lamp circuit output short circuit
The output short circuit protection module 0024 protected, each module installation in power module electrically connect on circuit boards and mutually
It connects；Described 003 one end of color temperature adjustment switch is connected to the output end of power module 002；The other end respectively with the first color temperature value LED
Lamp group 0011 and the series connection of the second color temperature value LED light group 0012, control the first color temperature value LED light group 0011 and the second color temperature value respectively
LED light group 0012 unlatches and closes.
Wherein, driving chip U1, fuse F1, bridge rectifier BD1, switching tube are provided in the power module 002
Q1, inductance L3, transformer T1, zener diode ZD1, diode D1, diode D2, diode D3, varistor MOV1, resistance
R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R7, resistance R8, resistance R10, resistance R11, resistance R12, resistance R14,
Resistance R15, resistance R16, resistance R17, resistance R18, resistance R19, resistance R20, resistance R21, resistance R22, resistance R23, capacitor
C1, capacitor C2, capacitor C3, capacitor C4, capacitor C5, capacitor C6, electrolytic capacitor C7, electrolytic capacitor C8, electrolytic capacitor C9, capacitor
C10, capacitor C11, capacitor C12, capacitor C13, capacitor C15, capacitor C16；
Wherein, the port the bridge rectifier BD1 3 and port 2 connect AC power source, the port the bridge rectifier BD1 3 and friendship
Galvanic electricity source junction is provided with fuse F1, and the varistor MOV1 and the both ends capacitor C15 are separately connected bridge rectifier BD1
Port 3 and port 2, the port resistance R2 connection bridge rectifier BD1 1, the resistance R2 other end be separately connected inductance L3,
Resistance R3, capacitor C12, the capacitor C12 other end are separately connected the port bridge rectifier BD1 4, capacitor C1, capacitor C2, protection
Ground, the inductance L3 other end are separately connected the resistance R3 other end, the capacitor C2 other end, resistance R6, resistance R7, resistance R10, electricity
Hold C3, transformer T1 input 1, the capacitor C1 other end connects the resistance R6 other end, the resistance R7 other end connection electricity
R8 is hindered, the capacitor C3 other end connects resistance R11, diode D1 cathode, and the resistance R10 other end connection resistance R11 is another
One end, the diode D1 anode connect transformer T1 input 2；
Wherein, the port resistance R17 connection bridge rectifier BD1 3, the resistance R17 other end connects resistance R18, described
The resistance R18 other end is separately connected resistance R16, capacitor C11, driving chip U1 pin VIN, the resistance R16 other end connection
Resistance R15, the resistance R15 other end connect the port bridge rectifier BD1 2, and the capacitor C11 other end is separately connected capacitor
C4, electrolytic capacitor C7 cathode, capacitor C13, resistance R14, driving chip U1 pin GND, protecting field, the capacitor C13 other end
Connect the resistance R14 other end, driving chip U1 pin CFG, the capacitor C4 other end connection electrolytic capacitor C7 anode, driving core
Piece U1 pin VCC, the resistance R4 are separately connected resistance R5, driving chip U1 pin ISNS, the resistance R4 other end connection
The resistance R5 other end, capacitor C5, protecting field, the capacitor C5 other end are separately connected diode D2 anode, switching tube Q1 input
End, driving chip U1 pin VS, the diode D2 cathode is separately connected the resistance R8 other end, resistance R12, capacitor C6, described
The capacitor C6 other end is separately connected zener diode ZD1 anode, protecting field, and the resistance R12 other end is separately connected pressure stabilizing two
Pole pipe ZD1 cathode, switching tube Q1 controlled end, the capacitor C16 are separately connected resistance R20, driving chip U1 pin VD, the electricity
Hold the C16 other end and be separately connected resistance R22, driving chip U1 pin VCB, the resistance R20 other end connects resistance R19, institute
It states the resistance R19 other end and is separately connected switching tube output end, transformer T1 input 2, the resistance R22 other end connects resistance
R21, the resistance R21 other end connect transformer T1 input 1, and the diode D3 anode connects transformer T1 output end 3,
It is negative that the diode D3 cathode is separately connected electrolytic capacitor C8 anode, electrolytic capacitor C9 anode, resistance R23, the diode D3
Pole connects the anode of the first color temperature value LED light group 0011 and the second color temperature value LED light group 0012, the resistance R23 other end point
Not Lian Jie transformer T1 output end 4, electrolytic capacitor C8 cathode, electrolytic capacitor C9 cathode, signal ground, the resistance R23 other end
The negative of the first color temperature value LED light group 0011 and the second color temperature value LED light group 0012 is separately connected by color temperature adjustment switch 003
Pole, the both ends the capacitor C10 are separately connected protecting field, signal ground；
Wherein, the resistance R15, resistance R16, resistance R17, resistance R18 and driving chip U1 constitute brightness control module 0021,
Power supply output is carried out to control the brightness for adjusting LED panel lamp by changing access resistance；The capacitor C13 and resistance
R14 and driving chip U1 constitutes overheat protector module 0022, protects when circuit temperature is more than setting value to circuit；It is described
Resistance R4, resistance R5 and driving chip U1 constitute overcurrent protection module 0023, protect when electric current is more than limit value to circuit
Shield；The resistance 19, resistance 20, resistance 21, resistance 22, capacitor C16 and driving chip U1 constitute output short circuit protection module
0024, circuit is protected when short circuit occurs in circuit.
Wherein, the driving chip U1 is dialled using IW3681 driving chip, the color temperature adjustment switch 003 for three tunnels
Dynamic switch, the first color temperature value LED light group 0011 include LED1-1 and LED1-2, and the second color temperature value LED light group 0012 includes LED2-
1 and LED2-2, by stirring color temperature adjustment switch 003 while being connected to the first color temperature value LED light group 0011 and the second color temperature value LED
Lamp group 0012 is only connected to and wherein carries out color temperature adjustment for one group, when color temperature adjustment switch 003 switches connection B, first color
Temperature value LED light group 0011 and the second color temperature value LED light group 0012 are lighted simultaneously, when color temperature adjustment switch 003 switches connection A
When, the first color temperature value LED light group 0011 is individually lighted, when color temperature adjustment switch 003 switches connection C, the second color temperature value LED
Lamp group 0012 is individually lighted,.
Wherein, the power module 002 passes through cable in controlling terminal casing 004 with the setting of color temperature adjustment switch 003
006 connect with the LED light strip 001 that LED lamp 005 is arranged in.
Above-described embodiment while the brightness to LED panel lamp is adjusted, is increased to circuit mistake by integrated chip
Temperature, overcurrent and the protection of short circuit, improve the reliability and safety that LED panel lamp uses, utilize simple toggle switch pair
The colour temperature of LED panel lamp carries out sectional-regulated so that color temperature adjustment is more convenient.
One embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to guarantor of the invention
Protect range.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (4)
1. the LED panel lamp of a kind of adjustable color temperature and brightness, which is characterized in that including LED light strip, power module, colour temperature tune
Section switch, the LED light strip include the first color temperature value LED light group, the second color temperature value LED light group, the first color temperature value LED light
Group and the second color temperature value LED light group are composed in series by the LED light of several identical color temperature values respectively, and the LED light of different color temperature value
Alternately it is arranged in LED light strip；The power module includes the brightness control module, right for controlling LED panel lamp brightness
Overheat protector module that LED panel lamp circuit excess temperature is protected, the overcurrent protection that LED panel lamp circuit overcurrent is protected
Module, the output short circuit protection module that LED panel lamp circuit output short circuit is protected, each module installation in power module
On circuit boards and it is electrically connected with each other；The color temperature adjustment switchs the output end that one end is connected to power module；The other end point
It does not connect with the first color temperature value LED light group and the second color temperature value LED light group, controls the first color temperature value LED light group and second respectively
Color temperature value LED light group unlatches and closes.
2. the LED panel lamp of adjustable color temperature according to claim 1 and brightness, which is characterized in that the power module
In be provided with driving chip U1, fuse F1, bridge rectifier BD1, switching tube Q1, inductance L3, transformer T1, zener diode
ZD1, diode D1, diode D2, diode D3, varistor MOV1, resistance R2, resistance R3, resistance R4, resistance R5, resistance
R6, resistance R7, resistance R8, resistance R10, resistance R11, resistance R12, resistance R14, resistance R15, resistance R16, resistance R17, resistance
R18, resistance R19, resistance R20, resistance R21, resistance R22, resistance R23, capacitor C1, capacitor C2, capacitor C3, capacitor C4, capacitor
C5, capacitor C6, electrolytic capacitor C7, electrolytic capacitor C8, electrolytic capacitor C9, capacitor C10, capacitor C11, capacitor C12, capacitor C13, electricity
Hold C15, capacitor C16；
The port the bridge rectifier BD1 3 and port 2 connect AC power source, the port the bridge rectifier BD1 3 and alternating current
Source junction is provided with fuse F1, and the varistor MOV1 and the both ends capacitor C15 are separately connected the port bridge rectifier BD1
3 and port 2, the port resistance R2 connection bridge rectifier BD1 1, the resistance R2 other end is separately connected inductance L3, resistance
R3, capacitor C12, the capacitor C12 other end are separately connected the port bridge rectifier BD1 4, capacitor C1, capacitor C2, protecting field,
The inductance L3 other end is separately connected the resistance R3 other end, the capacitor C2 other end, resistance R6, resistance R7, resistance R10, capacitor
C3, transformer T1 input 1, the capacitor C1 other end connect the resistance R6 other end, and the resistance R7 other end connects resistance
R8, the capacitor C3 other end connect resistance R11, diode D1 cathode, and the resistance R10 other end connection resistance R11 is another
End, the diode D1 anode connect transformer T1 input 2；
The port resistance R17 connection bridge rectifier BD1 3, the resistance R17 other end connect resistance R18, the resistance
The R18 other end is separately connected resistance R16, capacitor C11, driving chip U1 pin VIN, and the resistance R16 other end connects resistance
R15, the resistance R15 other end connect the port bridge rectifier BD1 2, the capacitor C11 other end be separately connected capacitor C4,
Electrolytic capacitor C7 cathode, capacitor C13, resistance R14, driving chip U1 pin GND, protecting field, the capacitor C13 other end connection
The resistance R14 other end, driving chip U1 pin CFG, the capacitor C4 other end connection electrolytic capacitor C7 anode, driving chip U1
Pin VCC, the resistance R4 are separately connected resistance R5, driving chip U1 pin ISNS, and the resistance R4 other end connects resistance
The R5 other end, capacitor C5, protecting field, the capacitor C5 other end are separately connected diode D2 anode, switching tube Q1 input terminal, drive
Dynamic chip U1 pin VS, the diode D2 cathode are separately connected the resistance R8 other end, resistance R12, capacitor C6, the capacitor C6
The other end is separately connected zener diode ZD1 anode, protecting field, and the resistance R12 other end is separately connected zener diode ZD1
Cathode, switching tube Q1 controlled end, it is another that the capacitor C16 is separately connected resistance R20, driving chip U1 pin VD, the capacitor C16
One end is separately connected resistance R22, driving chip U1 pin VCB, and the resistance R20 other end connects resistance R19, the resistance
The R19 other end is separately connected switching tube output end, transformer T1 input 2, and the resistance R22 other end connects resistance R21, institute
State resistance R21 other end connection transformer T1 input 1, the diode D3 anode connects transformer T1 output end 3, and described two
Pole pipe D3 cathode is separately connected electrolytic capacitor C8 anode, electrolytic capacitor C9 anode, resistance R23, the diode D3 cathode connection
The anode of first color temperature value LED light group and the second color temperature value LED light group, the resistance R23 other end are separately connected transformer T1
Output end 4, electrolytic capacitor C8 cathode, electrolytic capacitor C9 cathode, signal ground, the resistance R23 other end are opened by color temperature adjustment
The cathode for being separately connected the first color temperature value LED light group and the second color temperature value LED light group is closed, the both ends the capacitor C10 are separately connected
Protecting field, signal ground；
The resistance R15, resistance R16, resistance R17, resistance R18 and driving chip U1 constitute brightness control module, the capacitor
C13 and resistance R14 and driving chip U1 constitutes overheat protector module, and the resistance R4, resistance R5 and driving chip U1 were constituted
Protective module is flowed, the resistance 19, resistance 20, resistance 21, resistance 22, capacitor C16 and driving chip U1 constitute output short-circuit and protect
Protect module.
3. the LED panel lamp of adjustable color temperature according to claim 2 and brightness, which is characterized in that the driving chip
U1 is using IW3681 driving chip, and the color temperature adjustment switch is three road toggle switches, by stirring color temperature adjustment switch
It is connected to the first color temperature value LED light group and the second color temperature value LED light group simultaneously or is only connected to and wherein carries out color temperature adjustment for one group.
4. the LED panel lamp of adjustable color temperature according to claim 1 and brightness, which is characterized in that the power module
It is arranged in controlling terminal casing with color temperature adjustment switch through cable and the LED light band connection being arranged in LED panel lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811078916.3A CN109068451B (en) | 2018-09-17 | 2018-09-17 | LED panel light capable of adjusting color temperature and brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811078916.3A CN109068451B (en) | 2018-09-17 | 2018-09-17 | LED panel light capable of adjusting color temperature and brightness |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109068451A true CN109068451A (en) | 2018-12-21 |
| CN109068451B CN109068451B (en) | 2024-03-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811078916.3A Active CN109068451B (en) | 2018-09-17 | 2018-09-17 | LED panel light capable of adjusting color temperature and brightness |
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| Publication number | Publication date |
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| CN109068451B (en) | 2024-03-15 |
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