CN106132027A - Two-wire intelligent LED dimming power source - Google Patents
Two-wire intelligent LED dimming power source Download PDFInfo
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- CN106132027A CN106132027A CN201610677469.8A CN201610677469A CN106132027A CN 106132027 A CN106132027 A CN 106132027A CN 201610677469 A CN201610677469 A CN 201610677469A CN 106132027 A CN106132027 A CN 106132027A
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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
-
- 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]
Abstract
Two-wire intelligent LED dimming power source of the present invention, relate to a kind of power supply, including the instantaneous break-make by detecting urban electric power switch, the brightness of LED is adjusted through LED adjusting control circuit, including the block switch circuit being connected with LED adjusting light circuit control circuit and the on/off testing circuit being connected with block switch circuit, on/off testing circuit is for detecting the working power on/off state of LED adjusting control circuit, and this state is sent to block switch circuit, block switch circuit is according to working power on/off state, different load circuits is selected to be connected to the simulation dim signal input of LED adjusting light circuit, realize LED light modulation.The present invention only just can be directly realized by the light modulation of various LED lamp by the break-make of instant shut-in control mains ac power supply, it is not necessary to extra increase dim signal line.
Description
Technical field
The present invention relates to a kind of LED power, particularly relate to a kind of LED power for adjustable light source brightness.
Background technology
As it is shown in figure 1, LED lamp is generally fitted with common LED power supply, common LED power supply passes through on and off switch S01 and city
Electricity alternating current power supply connects, and passes through LED drive circuit U03 point after mainly including EMI circuit U 01, bridge rectifier U02 in power supply
Bright LED U04.The most general Multi-band switch light fixture is usually a light fixture and is equipped with the LED of 3～4 band common powers
Lamp, is given by the outside Multi-band switch circuit control relay break-make of LED power and carries out LED power control switch, it is achieved part lamp
Bright, indivedual lamps are bright, reduce lamp brightness and save the purpose of the electricity charge.Brightness tune is carried out for having the light fixture of relatively multiple light courcess
Time whole, need to be equipped with expensive Multi-band switch, and in light fixture, cabling is complicated, and this light source control method is easily on a large scale
During illumination, cause illumination brightness irregularities to cause vision to disturb, and affect the integral illumination effect of light fixture.The general light modulation in market
LED power to realize dimming light sources, and power input is it is generally required to 4 lines, i.e. power line live wire, zero line and two letters
Number line (as 0～10V direct current signal light modulation or the light modulation of DALI signal all need two special dim signal lines).Also there is power input
Join (such as the controllable silicon waveform dim signal as reference potential with power firestreak or zero line, need 1 holding wire) of 3 line modes.
In order to realize adjusting brightness of fluorescent lamp, in addition to live wire, zero line, all need again extra 1 or 2 dim signal lines of cloth during wiring, all exist
Wiring complexity during installation, the situation that wiring cost increases.
Summary of the invention
It is an object of the invention to provide a kind of two-wire LED intelligent dimming power supply, only power with Live line Zero line, it is not necessary to be extra
Dim signal line, special solve each light-source brightness in LED lamp and carry out unifying the technical problem of regulation.
The LED intelligent dimming power supply of the present invention, dims integral control circuit U03 including LED, for controlling LED U04
Brightness, it is characterised in that: include the block switch circuit U 05 that is connected with LED adjusting control circuit U03 and with block switch circuit
The on/off testing circuit U06 that U05 connects, on/off testing circuit is for the collection by detecting LED adjusting control circuit
Become the working power on/off state of circuit；And this break-make instantaneous state is sent to block switch circuit；
Described block switch circuit U 05 includes the first chip U05A, and 00 chip is as the first chip U05A；First chip
The pin 2 of U05A connects the second chip U03A the 6th pin after being sequentially connected in series the second resistance RS2, the first resistance RS1；
The pin 2 of the first chip U05A connects power source voltage Vcc after being sequentially connected in series the second resistance RS2, the first resistance RS1；
The pin 2 of the first chip U05A connects the first chip U05A after being sequentially connected in series the second resistance RS2, the 7th resistance RS7
Pin 7；
The pin 2 of the first chip U05A connects after being sequentially connected in series the second resistance RS2, the 7th resistance RS7 and the 8th resistance RS8
The pin 8 of the first chip U05A；
The pin 2 of the first chip U05A is connected and is connected the pin 7 of the second chip U03A after the second resistance RS2；
The pin 5 of the first chip U05A connects the pin 6 of the first chip U05A；
The pin 1 of the first chip U05A and pin 3 ground connection；
The pin 8 of the second chip U03A is connected and is connected the positive pole of the first diode DS1, the one or two pole after the tenth resistance RS10
The negative pole of pipe DS1 connects the pin 5 of the first chip U05A；
One end of 5th electric capacity CS5 connects the pin 5 of the first chip U05A, other end ground connection；
One end of 5th resistance RS5 connects the negative pole of the first diode DS1, other end ground connection；One end of first electric capacity CS1
Connect the negative pole of the first diode DS1, other end ground connection；
Block switch circuit, according to working power on/off state and number of times, selects different load circuits to be connected to LED and adjusts
Integrated circuit light modulation current potential input in light control circuit U03, by changing controlling potential input terminal voltage, controls LED and adjusts
The electric current output of light integral control circuit U03, changes the brightness of LED U04.
Described on/off testing circuit U06 includes the 4th resistance RS4, the 4th electric capacity CS4, the pin of the first chip U05A
Connecting the pin 6 of the second chip U03A after 4 series connection the 4th resistance RS4, one end of the 4th electric capacity CS4 connects the first chip U05A's
Pin 4, other end ground connection.
Described LED brightness adjustment control control circuit U03 includes that the second chip U03A, the pin 2 of the second chip U03A are zero electricity
Stream test side, pin 5 are that the G pole of power supply metal-oxide-semiconductor drives signal output part, pin 3 to be the current detecting ends of MOS；Second chip
U03A the 2nd pin, the second chip U03A the 3rd pin, the second chip U03A the 5th pin and the second chip U03A the 6th pin connect
The corresponding link position of LED light modulation integral control circuit U03；The pin 6 of the second chip U03A connects working power VCC, by mistake
VCC is powered by the resistance after rectification；The pin 1 of the second chip U03A is connected after connecting the 9th resistance RS9 the second electric capacity CS2
Rear ground connection, the pin 8 of the second chip U03A connects the tenth resistance RS10 and the second chip U03A pin six is connected, the second chip
Pin 4 ground connection of U03A.
The two-wire LED intelligent dimming power supply of the present invention outside transient state of multi-position switch testing circuit detection by on-chip power
The break-make of mains switch, provides different analog voltage dim signals for LED adjusting control circuit, by LED light modulation control
Circuit processed, it is achieved the brightness regulation of the LED being connected with dimming power source, it is ensured that light fixture integral illumination brightness uniformity, the most permissible
On the premise of ensureing to provide the brightness of illumination needed, the brightness of each LED light source in reduction LED lamp, reach power saving
Energy-conservation purpose.The two-wire LED intelligent dimming power supply utilizing the present invention only need to be by controlling the external mains switch of ballast
Open close just LED lamp can be carried out overall brightness regulation, brilliance control need not at power supply other Multi-band switches external, the most not
Need to lay other dim signal lines again, reduce installation cost, reduce the probability that light fixture breaks down, simultaneously single during light modulation
Individual LED particle operating power is in low power state, can greatly extend the life-span of LED lamp.
Below in conjunction with the accompanying drawings the LED intelligent dimming power supply embodiment of the present invention is described further.
Accompanying drawing explanation
Fig. 1 is the fundamental diagram of common LED power supply；
Fig. 2 is the electrical block diagram of two-wire LED intelligent dimming power supply of the present invention；
Fig. 3 is the circuit connection diagram of the embodiment of two-wire LED intelligent dimming power supply of the present invention.
Detailed description of the invention
As in figure 2 it is shown, the fluorescent lamp Intelligent dimmable ballast of the present invention includes block switch circuit U 05, on/off is examined
The input of slowdown monitoring circuit U06, on/off testing circuit U06 connects working power VCC of LED adjusting control circuit, outfan
The input of connection segment on-off circuit U05, the outfan of block switch circuit U 05 connects the light modulation of LED adjusting control circuit
Simulation current potential input.On/off testing circuit U06 is for detecting power source internal LED adjusting control circuit working power
On/off state, and status signal is sent to block switch circuit U 05.Block switch circuit U 05 is according to LED brightness adjustment control electricity
The on/off state of road working power, selects different load circuits to be transformed into simulation dimming signal voltage and is connected to LED light modulation electricity
The light modulation simulation current potential input of road U03 realizes the brilliance control to LED.
The two-wire LED intelligent dimming power supply of the present invention need not external Multi-band switch and complicated wiring, by built-in
Multi-position switch testing circuit, the transient state break-make number of times of outside mains switch detected, it is possible at block switch circuit
Selecting different load circuits to be simulated the switching of dim signal in U05, dim signal is transported to LED adjusting control circuit
The integrated circuit dim signal input of U08, controls size of current in LED, changes the brightness of LED.
As it is shown on figure 3, the core circuit example of LED adjusting control circuit U03 selects silergy company in the present embodiment
SY5802A as the second chip U03A for LED brightness adjustment control.Block switch circuit U 05 and on/off detection
The core circuit of circuit U 06 selects HL2608 as the first chip U05A, and this IC chip can realize 3 tunnels and control, can root
Level signal according to pin VDD, it is achieved chip pin presses the circular order ground connection respectively of L1, L2, L3, L1+L2+L3.
The pin 2 of the second chip U03A be zero current detection end, pin 5 be that the G pole of power supply metal-oxide-semiconductor drives signal output
End, pin 3 are the current detecting ends of MOS, connect related circuit end respectively, and the pin 6 of the second chip connects working power (VCC)
Being powered VCC by the resistance after over commutation, the pin 1 of the second chip the second electric capacity of connecting after connecting the 9th resistance (is followed by
Ground, the pin 8 of the second chip connects the tenth resistance and the second chip (U03A) pin six is connected, pin 4 ground connection of the second chip.
The pin 2 of the first chip U05A is connected to the 6 of the second chip after being sequentially connected in series the second resistance RS2, the first resistance RS1
Foot supply voltage VCC (can also be connected to 5 foot supply voltage VDD of the first chip), and the pin 2 of the first chip U05A is gone here and there successively
Connecting the pin 7 of the first chip U05A after joining the second resistance RS2, the 7th resistance RS7, the pin 2 of the first chip U05A is gone here and there successively
The pin 8 of the first chip U05A, the first chip U05A is connected after joining the second resistance RS2, the 7th resistance RS7 and the 8th resistance RS8
Pin 2 connect and connect the pin 7 of the second chip U03A after the second resistance RS2, the pin 5 of the first chip U05A connects the first core
The pin 6 of sheet U05A, the pin 1 of the first chip U05A and pin 3 ground connection, the pin 6 of the second chip U03A connects the one or two pole
The positive pole of pipe DS1, the negative pole of the first diode DS1 connects the pin 5 of the first chip U05A；One end of 5th electric capacity CS5 connects
The pin 5 of the first chip U05A, other end ground connection；One end of 5th resistance RS5 connects the negative pole of the first diode DS1, another
End ground connection；One end of first electric capacity CS1 connects the negative pole of the first diode DS1, other end ground connection；The pin of the first chip U05A
Connecting the pin 6 of the second chip U03A after 4 series connection the 4th resistance RS4, one end of the 4th electric capacity CS4 connects the first chip U05A's
Pin 4, other end ground connection.
During use, light fixture controls light fixture by the mains switch S1 of switch LED dimming power source external connection
220V AC mains break-make.When switching S1 Guan Bi, electric main is converted to this by the built-in power-switching circuit of light fixture
Working power VCC of LED adjusting control circuit in the LED intelligent dimming power supply of embodiment, when on and off switch S1 Guan Bi for the first time
Time, the voltage of the pin 6 of the second chip U03A is risen to 15V (different according to the stabilivolt used, voltage is different) by 0V,
This transient changing, is delivered to the pin 4 of the first chip U05A, simultaneously DC operation by the 4th resistance RS4 and the 4th electric capacity CS4
Power supply VCC provides running voltage VDD by the first diode DS1, the first electric capacity CS1 for the pin 5 of the first chip U05A.
On and off switch S1 closes for the first time, and the pin 4 of the first chip U05A monitors the change arteries and veins of working power VCC voltage
Punching so that pin 2 ground connection of the first chip U05A, makes the second resistance RS2 be connected in series in the pressure divider circuit of the first resistance RS1, the
The pin 7 of one chip U05A and pin 8 open circuit so that the 7th resistance RS7 and the 8th resistance RS8 is not linked in pressure divider circuit,
The branch pressure voltage produced on only second resistance RS2 is added on the pin 7 of the second chip U03A, produces dimmer voltage, passes through LED
The LED light source connected in power supply is normally lighted and (can be adjusted the second resistance according to product design needs by adjusting control circuit
RS2 resistance size sets LED light source as highlighted or low bright, and default design is that first bright light maintains the LED light source the most highlighted).
When LED light source is dimmed by needs, only switch S1 need to be disconnected transient state Guan Bi the most again and can realize LED tune
Light function.When switch S1 disconnects for the first time, cut off light fixture 220V alternating current power supply, working power VCC of the second chip U03A by
15V is reduced to 0V, and when switching S1 and again closing, working power VCC rises to 15V from 0V again, because on and off switch is that transient state is broken
Closing, when switching S1 and disconnecting, the pin 5 of the first chip U05A remains normal due to the voltage retained on the first electric capacity CS1 always
Duty, when, after the disconnected conjunction of switch S1 transient state, the pin 4 of the first chip U05A is further through the 4th resistance RS4 and the 4th electric capacity CS4
Monitor the change in voltage of working power VCC, control pin 2 and pin 8 open circuit of the first chip U05A, the first chip U05A's
Pin 7 ground connection, the second resistance RS2 and the 8th resistance RS8 disconnects with pressure divider circuit, and the 7th resistance RS7 accesses pressure divider circuit, RS7
The simulation dimmer voltage signal of upper generation receives the dim signal input pin 7 of the second chip U03A, it is achieved adjust LED light source
Light.
When disconnected the on and off switch S1 that closes, the only the 8th resistance RS8 access pressure divider circuit again；During the disconnected combination switch S1 of third time,
7th resistance RS7 and the 8th resistance RS8 parallel connection access pressure divider circuit, during the 4th disconnected conjunction on and off switch S1, return to close for the first time
Combination switch state only has the second resistance RS2 to be linked in pressure divider circuit, by select the second resistance RS2, the 7th resistance RS7,
Eight resistance RS8 difference numerical value and cooperation the first chip U05A pin 6 level height select to use, by disconnected conjunction on and off switch S1,
LED light source can be realized change to maximum brightness 2 kinds, 3 kinds or 4 kinds of brightness to low-light level or minimum brightness from maximum brightness,
Can fully meet the needs that LED lamp lamplight brightness is regulated by user.
On the basis of the present embodiment, on and off switch S01 can use include remote control, timing and other all can be to electricity
Source carries out the switchtype that on/off state carries out operating.U03A, U05A are not limited to the carried exemplary model of preferred version, including
The similar circuit application of the integrated circuit of application and U03A, U05A identical function.
Embodiment described above is only to be described the preferred embodiment of the present invention, the not model to the present invention
Enclose and be defined, on the premise of designing spirit without departing from the present invention, the those of ordinary skill in the art technical side to the present invention
Various deformation that case is made and improvement, all should fall in the protection domain that claims of the present invention determines.
Claims (3)
1. a two-wire intelligent LED dimming power source, including LED light modulation integral control circuit (U03), is used for controlling LED (U04)
Brightness, it is characterised in that: include the block switch circuit (U05) being connected with LED adjusting control circuit (U03) and open with segmentation
Closing the on/off testing circuit (U06) that circuit (U05) connects, on/off testing circuit is for by detection LED light modulation control
The working power on/off state of the integrated circuit of circuit processed；And this break-make instantaneous state is sent to block switch circuit；
Described block switch circuit (U05) includes the first chip (U05A), and 00 chip is as the first chip (U05A)；First chip
(U05A) pin 2 is sequentially connected in series the second resistance (RS2), the first resistance (RS1) connects the second chip (U03A) the 6th pin afterwards；
The pin 2 of the first chip (U05A) is sequentially connected in series the second resistance (RS2), the first resistance (RS1) connects supply voltage afterwards
(Vcc)；
The pin 2 of the first chip (U05A) is sequentially connected in series the second resistance (RS2), the 7th resistance (RS7) connects the first chip afterwards
(U05A) pin 7；
After the pin 2 of the first chip (U05A) is sequentially connected in series the second resistance (RS2), the 7th resistance (RS7) and the 8th resistance (RS8)
Connect the pin 8 of the first chip (U05A)；
The pin 2 of the first chip (U05A) the second resistance (RS2) of connecting connects the pin 7 of the second chip (U03A) afterwards；
The pin 5 of the first chip (U05A) connects the pin 6 of the first chip (U05A)；
The pin 1 of the first chip (U05A) and pin 3 ground connection；
The pin 8 of the second chip (U03A) the tenth resistance (RS10) of connecting connects the positive pole of the first diode (DS1) afterwards, and the one or two
The negative pole of pole pipe (DS1) connects the pin 5 of the first chip (U05A)；
One end of 5th electric capacity (CS5) connects the pin 5 of the first chip (U05A), other end ground connection；
One end of 5th resistance (RS5) connects the negative pole of the first diode (DS1), other end ground connection；The one of first electric capacity (CS1)
End connects the negative pole of the first diode (DS1), other end ground connection；
Block switch circuit, according to working power on/off state and number of times, selects different load circuits to be connected to LED light modulation control
Integrated circuit light modulation current potential input in circuit processed (U03), by changing controlling potential input terminal voltage, controls LED light modulation
The electric current output of integral control circuit (U03), changes the brightness of LED (U04).
Two-wire intelligent LED dimming power source the most according to claim 1, it is characterised in that: described on/off testing circuit
(U06) include that the 4th resistance (RS4), the 4th electric capacity (CS4), the pin 4 of the first chip (U05A) are connected after the 4th resistance (RS4)
Connecting the pin 6 of the second chip (U03A), one end of the 4th electric capacity (CS4) connects the pin 4 of the first chip (U05A), the other end
Ground connection.
Two-wire intelligent LED dimming power source the most according to claim 2, it is characterised in that: described LED brightness adjustment control controls electricity
Road (U03) include the second chip (U03A), the pin 2 of the second chip (U03A) be zero current detection end, pin 5 be power supply MOS
The G pole driving signal output part of pipe, pin 3 are the current detecting ends of MOS；
Second chip U03A the 2nd pin, the second chip U03A the 3rd pin, the second chip U03A the 5th pin connect working power
(VCC)；
Second chip (U03A) the 2nd pin, the second chip (U03A) the 3rd pin, the second chip (U03A) the 5th pin and the second core
Sheet (U03A) the 6th pin connects the corresponding link position of LED light modulation integral control circuit (U03)；The pipe of the second chip (U03A)
Foot 6 connects working power (VCC), and VCC is provided voltage by DC electricity behind commercial power rectification by current-limiting resistance and stabilivolt；Second chip
(U03A) pin 1 is connected after connecting the 9th resistance RS9 the second electric capacity (CS2) ground connection afterwards, and the pin 8 of the second chip (U03A) is even
Connect the tenth resistance (RS10) to be connected with the second chip (U03A) pin six, pin 4 ground connection of the second chip (U03A).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610677469.8A CN106132027A (en) | 2016-08-16 | 2016-08-16 | Two-wire intelligent LED dimming power source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610677469.8A CN106132027A (en) | 2016-08-16 | 2016-08-16 | Two-wire intelligent LED dimming power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106132027A true CN106132027A (en) | 2016-11-16 |
Family
ID=57278505
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610677469.8A Pending CN106132027A (en) | 2016-08-16 | 2016-08-16 | Two-wire intelligent LED dimming power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106132027A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106604480A (en) * | 2017-01-27 | 2017-04-26 | 珠海金太节能科技有限公司 | LED intelligent lighting fitting controller and LED lighting fitting |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106604480A (en) * | 2017-01-27 | 2017-04-26 | 珠海金太节能科技有限公司 | LED intelligent lighting fitting controller and LED lighting fitting |
| CN106604480B (en) * | 2017-01-27 | 2018-01-02 | 珠海金太节能科技有限公司 | LED intelligent illumination lamp controller and LED lamp |
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Application publication date: 20161116 |