CN206365076U - Two-wire intelligent LED dimming power source - Google Patents
Two-wire intelligent LED dimming power source Download PDFInfo
- Publication number
- CN206365076U CN206365076U CN201620891219.XU CN201620891219U CN206365076U CN 206365076 U CN206365076 U CN 206365076U CN 201620891219 U CN201620891219 U CN 201620891219U CN 206365076 U CN206365076 U CN 206365076U
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Classifications
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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]
Abstract
The utility model two-wire intelligent LED dimming power source, it is related 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 circuits, circuit is detected including the block switch circuit being connected with LED adjusting light circuits control circuit and the on/off being connected with block switch circuit, on/off detection circuit is used for the working power on/off state for detecting LED adjusting control circuits, and the state is sent to block switch circuit, block switch circuit is according to working power on/off state, the different load circuit of selection is connected to the simulation dim signal input of LED adjusting light circuits, realize that LED is dimmed.The break-make that the utility model only can control mains ac power supply by instant shut-in can just be directly realized by the light modulation of various LED lamps, it is not necessary to extra increase dim signal line.
Description
Technical field
The utility model is related to a kind of LED power, more particularly to a kind of LED power for adjustable light source brightness.
Background technology
As shown in figure 1, LED lamp is generally fitted with common LED power supply, common LED power supply passes through power switch S01 and city
Pass through LED drive circuit U03 points after mainly including EMI circuit Us 01, bridge rectifier U02 in electric AC power connection, power supply
Bright LED U04.General Multi-band switch light fixture is usually that a light fixture is equipped with 3~4 LED with common power in the market
Lamp, to LED power controlling switch is carried out, part lamp is realized by Multi-band switch circuit control relay break-make outside LED power
Bright, indivedual lamps are bright, to reach that reduction lamp brightness saves the purpose of the electricity charge.For carrying out brightness tune with the light fixture compared with multiple light courcess
, it is necessary to be equipped with the Multi-band switch of costliness when whole, and light fixture interior cabling is complicated, and this light source control method is easily a wide range of
During illumination, cause illumination brightness irregularities to cause vision to disturb, and influence the integral illumination effect of light fixture.The general light modulation in market
LED power will realize and light source is dimmed that power input generally requires 4 lines, i.e. power line live wire, zero line and two letters
Number line (such as 0~10V direct current signals are dimmed or the light modulation of DALI signals all needs two special dim signal lines).Also there is power input
(such as by the controllable silicon waveform dim signal of reference potential of power firestreak or zero line, it is necessary to 1 signal wire) with 3 line modes.
Extra 1 or 2 dim signal lines of cloth are all needed again in addition to live wire, zero line in order to realize adjusting brightness of fluorescent lamp, during wiring, are all existed
Complicated, wiring cost increased situation is connected up during installation.
Utility model content
The purpose of this utility model is to provide a kind of two-wire LED intelligent dimming power supplys, is only powered with Live line Zero line, it is not necessary to
Extra dim signal line, it is special to solve the technical problem that each light-source brightness in LED lamp carries out unified regulation.
LED intelligent dimmings power supply of the present utility model, including LED light modulation integral control circuit U03, for controlling LED
U04 brightness, it is characterised in that：Including being opened with the LED adjusting control circuits U03 block switch circuit Us 05 being connected and with segmentation
The on/off detection circuit U 06 of powered-down road U05 connections, on/off detection circuit is used for by detecting LED brightness adjustment controls electricity
The working power on/off state of the integrated circuit on road；And the break-make instantaneous state is sent to block switch circuit；
The pin 2 that the block switch circuit U 05 includes the first chip U05A, the first chip U05A is sequentially connected in series the second electricity
The pins of the second chip U03A the 6th are connected after resistance RS2, first resistor RS1；
First chip U05A pin 2 connects power source voltage Vcc after being sequentially connected in series second resistance RS2, first resistor RS1；
First chip U05A pin 2 connects the first chip U05A after being sequentially connected in series second resistance RS2, the 7th resistance RS7
Pin 7；
First chip U05A pin 2 is sequentially connected in series after second resistance RS2, the 7th resistance RS7 and the 8th resistance RS8 and connected
First chip U05A pin 8；
The second chip U03A pin 7 is connected after the first chip U05A series connection second resistance of pin 2 RS2；
First chip U05A pin 5 connects the first chip U05A pin 6；
First chip U05A pin 1 and pin 3 is grounded；
The first diode DS1 positive pole, the one or two pole are connected after second chip U03A the tenth resistance RS10 of the series connection of pin 8
Pipe DS1 negative pole connects the first chip U05A pin 5；
5th electric capacity CS5 one end connects the first chip U05A pin 5, other end ground connection；
5th resistance RS5 one end connects the first diode DS1 negative pole, other end ground connection；First electric capacity CS1 one end
Connect the first diode DS1 negative pole, other end ground connection；
Block switch circuit selects different load circuits to be connected to LED tune according to working power on/off state and number of times
Integrated circuit light modulation current potential input in light control circuit U03, by changing controlling potential input terminal voltage, control LED is adjusted
Light integral control circuit U03 electric current output, changes LED U04 brightness.
The on/off detection circuit U 06 includes the 4th resistance RS4, the 4th electric capacity CS4, the first chip U05A pin
The second chip U03A pin 6 is connected after 4 the 4th resistance RS4 of series connection, the 4th electric capacity CS4 one end connects the first chip U05A's
Pin 4, other end ground connection.
The pin 2 that the LED brightness adjustment controls control circuit U 03 includes the second chip U03A, the second chip U03A is zero electricity
Flow the current detecting end that G poles drive signal output end, pin 3 that test side, pin 5 are power supply metal-oxide-semiconductors are MOS；Second chip
The pins of U03A the 2nd, the pins of the second chip U03A the 3rd, the pins of the second chip U03A the 5th and the connection of the pins of the second chip U03A the 6th
LED light modulation integral control circuits U03 corresponding link position；The second chip U03A connection working power VCC of pin 6, by mistake
Resistance after rectification is powered to VCC；Second chip U03A pin 1 connects the second electric capacity CS2 that connected after the 9th resistance RS9
After be grounded, the second chip U03A pin 8 connects the tenth resistance RS10 and is connected with the second chip U03A pins six, the second chip
U03A pin 4 is grounded.
Two-wire LED intelligent dimmings power supply of the present utility model is detected outside electric circuit inspection by the multi-position switch of on-chip power
The break-make of transient state mains switch, different analog voltage dim signals are provided for LED adjusting control circuits, are adjusted by LED
Light control circuit, realizes the brightness regulation for the LED being connected with dimming power source, it is ensured that light fixture integral illumination brightness uniformity, simultaneously
Can be on the premise of ensureing to provide the brightness of illumination of needs, the brightness of each LED/light source in reduction LED lamp reaches
The purpose of power and energy saving.Only need to be by controlling the external civil power of ballast using two-wire LED intelligent dimmings power supply of the present utility model
The open close of power switch just can carry out overall brightness regulation to LED lamp, and brilliance control need not be in other external multistages of power supply
Switch, it is not required that lay other dim signal lines again, reduce installation cost, reduce the probability that light fixture breaks down, together
When dimming single led particles work power be in low power state, can greatly extend the life-span of LED lamp.
LED intelligent dimmings power supply embodiment of the present utility model is described further below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is the fundamental diagram of common LED power supply；
Fig. 2 is the electrical block diagram of the utility model two-wire LED intelligent dimming power supplys；
Fig. 3 is the circuit connection diagram of the embodiment of the utility model two-wire LED intelligent dimming power supplys.
Embodiment
As shown in Fig. 2 fluorescent lamp Intelligent dimmable ballast of the present utility model includes block switch circuit U 05, power supply leads to
Disconnected detection circuit U 06, the working power VCC of the input connection LED adjusting control circuits of on/off detection circuit U 06 is defeated
Go out to hold connection segment on-off circuit U05 input, the output end connection LED adjusting control circuits of block switch circuit U 05
Light modulation simulation current potential input.On/off detection circuit U 06 is used to detect power source internal LED adjusting control circuit working powers
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 controls
The on/off state of circuit work power, selects different load circuits to be transformed into simulation dimming signal voltage and is connected to LED light modulations
The light modulation simulation current potential input of circuit U 03 realizes the brilliance control to LED.
Two-wire LED intelligent dimming power supplys of the present utility model do not need external Multi-band switch and complicated wiring, pass through
Built-in multi-position switch detection circuit, detects the transient state break-make number of times of outside mains switch, it is possible in block switch
Different load circuits are selected to carry out the switching of simulation dim signal in circuit U 05, dim signal is transported to LED brightness adjustment controls electricity
Size of current in road U08 integrated circuit dim signal input, control LED, to change the brightness of LED.
As shown in figure 3, LED adjusting control circuits U03 core circuit example selects silergy companies 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 is from HL2608 as the first chip U05A, and the IC chip can realize that 3 tunnels are controlled, can root
According to pin VDD level signal, realize that chip pin is grounded respectively by L1, L2, L3, L1+L2+L3 circular order.
Second chip U03A pin 2 be zero current detection end, pin 5 be power supply metal-oxide-semiconductor the drive signal output of G poles
End, pin 3 are MOS current detecting ends, and related circuit end, the connection working power of pin 6 (VCC) of the second chip are connected respectively
VCC is powered by the resistance after over commutation, the pin 1 of the second chip connects the second electric capacity of being connected after the 9th resistance and (is followed by
Ground, the pin 8 of the second chip connects the tenth resistance and is connected with the second chip (U03A) pin six, and the pin 4 of the second chip is grounded.
First chip U05A pin 2 is connected to the 6 of the second chip after being sequentially connected in series second resistance RS2, first resistor RS1
Pin supply voltage VCC (the 5 pin supply voltage VDD that can also be connected to the first chip), the first chip U05A pin 2 is gone here and there successively
The first chip U05A pin 7 is connected after connection second resistance RS2, the 7th resistance RS7, the first chip U05A pin 2 is gone here and there successively
The first chip U05A pin 8, the first chip U05A are connected after connection second resistance RS2, the 7th resistance RS7 and the 8th resistance RS8
The series connection of pin 2 second resistance RS2 after connect the second chip U03A pin 7, the first chip U05A pin 5 connects the first core
Piece U05A pin 6, the first chip U05A pin 1 and pin 3 are grounded, and the second chip U03A pin 6 connects the one or two pole
Pipe DS1 positive pole, the first diode DS1 negative pole connects the first chip U05A pin 5；5th electric capacity CS5 one end connection
First chip U05A pin 5, other end ground connection；5th resistance RS5 one end connects the first diode DS1 negative pole, another
End ground connection；First electric capacity CS1 one end connects the first diode DS1 negative pole, other end ground connection；First chip U05A pin
The second chip U03A pin 6 is connected after 4 the 4th resistance RS4 of series connection, the 4th electric capacity CS4 one end connects the first chip U05A's
Pin 4, other end ground connection.
During use, light fixture controls light fixture by switching the mains switch S1 of LED dimming power source external connections
220V AC mains break-makes.When switching S1 closures, electric main is converted to this by the power-switching circuit built in light fixture
The working power VCC of LED adjusting control circuits in the LED intelligent dimming power supplys of embodiment, when power switch S1 is closed for the first time
When, the voltage of the second chip U03A pin 6 rises to 15V (different according to the voltage-stabiliser tube used, voltage is different) by 0V,
This transient changing, the first chip U05A pin 4 is delivered to by the 4th resistance RS4 and the 4th electric capacity CS4, while DC operation
Power supply VCC provides operating voltage VDD by the first diode DS1, the first electric capacity CS1 for the first chip U05A pin 5.
Power switch S1 is closed for the first time, and the first chip U05A pin 4 monitors the change arteries and veins of working power VCC voltages
Punching so that the first chip U05A pin 2 is grounded, and makes second resistance RS2 be connected in series in first resistor RS1 pressure divider circuit, the
One chip U05A pin 7 and the open circuit of pin 8 so that the 7th resistance RS7 and the 8th resistance RS8 are not linked into pressure divider circuit,
The branch pressure voltage produced on only second resistance RS2 is added on the second chip U03A pin 7, is produced dimmer voltage, is passed through LED
Adjusting control circuit normally lights the LED/light source connected in power supply (can adjust second resistance according to product design needs
RS2 resistances size sets LED/light source to be highlighted or low bright, and default design is that first bright light maintains LED/light source most highlighted).
When needing to dim LED/light source, switch S1 disconnections and then again transient state need to only be closed and LED tune can be achieved
Light function.When switching S1 and disconnecting for the first time, cut off light fixture 220V AC powers, the second chip U03A working power VCC by
15V is reduced to 0V, and when switch S1 is closed again, working power VCC rises to 15V from 0V again, because power switch is disconnected for transient state
Close, when switching S1 and disconnecting, the first chip U05A pin 5 remains normal always due to the voltage retained on the first electric capacity CS1
Working condition, after switch S1 transient states are disconnected closes, the first chip U05A pin 4 is further through the 4th resistance RS4 and the 4th electric capacity CS4
Working power VCC voltage change is monitored, the first chip U05A pin 2 and the open circuit of pin 8, the first chip U05A is controlled
Pin 7 be grounded, second resistance RS2 and the 8th resistance RS8 disconnect with pressure divider circuit, the 7th resistance RS7 access pressure divider circuits,
The simulation dimmer voltage signal produced on RS7 is connected to the second chip U03A dim signal input pin 7, realizes to LED/light source
Light modulation.
Power switch S1 is closed when breaking again, only the 8th resistance RS8 access pressure divider circuits；For the third time during disconnected combination switch S1,
7th resistance RS7 and the 8th resistance RS8 parallel connection access pressure divider circuits, during the 4th disconnected conjunction power switch S1, return to and close for the first time
Run off status only second resistance RS2 jointly to be linked into pressure divider circuit, by selecting second resistance RS2, the 7th resistance RS7,
Eight resistance RS8 difference numerical value and the level height selection of cooperation the first chip U05A pins 6 are used, and power switch S1 is closed by disconnected,
LED/light source can be achieved from maximum brightness to low-light level or minimum brightness to 2 kinds, 3 kinds or 4 kinds brightness of maximum brightness to change,
The need for user can fully be met to the regulation of LED lamp lamplight brightness.
On the basis of the present embodiment, power switch S01 can using include remote control, timing and it is other all can be to electricity
Source carries out the switchtype that on/off state is operated.U03A, U05A are not limited to preferred scheme and carry exemplary model, including
Using the similar circuit application with the integrated circuit of U03A, U05A identical function.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, on the premise of the utility model design spirit is not departed from, and those of ordinary skill in the art are to this
Various modifications and improvement that the technical scheme of utility model is made, all should fall into the protection of the utility model claims determination
In the range of.
Claims (3)
1. a kind of two-wire intelligent LED dimming power source, including LED light modulation integral control circuits (U03), for controlling LED (U04)
Brightness, it is characterised in that：Opened including the block switch circuit (U05) being connected with LED adjusting control circuits (U03) and with segmentation
The on/off detection circuit (U06) of powered-down road (U05) connection, on/off detection circuit is used for by detecting LED light modulation controls
The working power on/off state of the integrated circuit of circuit processed；And the break-make instantaneous state is sent to block switch circuit；
SY5802A chip of the LED adjusting control circuits (U03) from silergy companies；Block switch circuit (U05) and power supply
Break-make detection circuit (U06) selects HL2608 chips；
The block switch circuit (U05) includes the first chip (U05A), and the pin 2 of the first chip (U05A) is sequentially connected in series second
Resistance (RS2), first resistor (RS1) connect the pin of the second chip (U03A) the 6th afterwards；
The pin 2 of first chip (U05A) is sequentially connected in series second resistance (RS2), first resistor (RS1) and connects supply voltage afterwards
(Vcc)；
The pin 2 of first chip (U05A) is sequentially connected in series second resistance (RS2), the 7th resistance (RS7) and connects the first chip afterwards
(U05A) pin 7；
The pin 2 of first chip (U05A) is sequentially connected in series after second resistance (RS2), the 7th resistance (RS7) and the 8th resistance (RS8)
Connect the pin 8 of the first chip (U05A)；
The series connection second resistance of pin 2 (RS2) of first chip (U05A) connects the pin 7 of the second chip (U03A) afterwards；
The pin 5 of first chip (U05A) connects the pin 6 of the first chip (U05A)；
The pin 1 and pin 3 of first chip (U05A) are grounded；
The tenth resistance (RS10) of series connection of pin 8 of second chip (U03A) connects the first diode (DS1) positive pole, the one or two afterwards
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)
The negative pole of end the first diode of connection (DS1), other end ground connection；
Block switch circuit selects different load circuits to be connected to LED light modulation controls according to working power on/off state and number of times
Integrated circuit light modulation current potential input in circuit (U03) processed, by changing controlling potential input terminal voltage, control LED light modulations
The electric current output of integral control circuit (U03), changes the brightness of LED (U04).
2. two-wire intelligent LED dimming power source according to claim 1, it is characterised in that：The on/off detects circuit
(U06) include after the 4th resistance (RS4), the 4th electric capacity (CS4), the 4th resistance (RS4) of series connection of pin 4 of the first chip (U05A)
The pin 6 of the second chip (U03A) is connected, one end of the 4th electric capacity (CS4) connects the pin 4 of the first chip (U05A), the other end
Ground connection.
3. two-wire intelligent LED dimming power source according to claim 2, it is characterised in that：The LED brightness adjustment controls control electricity
Road (U03) includes the second chip (U03A), and the pin 2 of the second chip (U03A) is that zero current detection end, pin 5 are power supply MOS
The G poles drive signal output end of pipe, pin 3 are MOS current detecting ends；
Second chip（U03A）2nd pin, the second chip（U03A）3rd pin, the second chip（U03A）5th pin connection work
Power supply (VCC)；
The pin of second chip (U03A) the 2nd, the pin of the second chip (U03A) the 3rd, the pin of the second chip (U03A) the 5th and the second core
The corresponding link position of the pin of piece (U03A) the 6th connection LED light modulation integral control circuits (U03)；The pipe of second chip (U03A)
The connection working power of pin 6 (VCC), VCC DC electricity behind commercial power rectification provides voltage by current-limiting resistance and voltage-stabiliser tube；Second chip
(U03A) pin 1 connects the second electric capacity (CS2) of being connected after the 9th resistance RS9 and is grounded afterwards, and the pin 8 of the second chip (U03A) connects
Connect the tenth resistance (RS10) with the second chip (U03A) pin six to be connected, the pin 4 of the second chip (U03A) is grounded.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620891219.XU CN206365076U (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 |
|---|---|---|---|
| CN201620891219.XU CN206365076U (en) | 2016-08-16 | 2016-08-16 | Two-wire intelligent LED dimming power source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206365076U true CN206365076U (en) | 2017-07-28 |
Family
ID=59368149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620891219.XU Expired - Fee Related CN206365076U (en) | 2016-08-16 | 2016-08-16 | Two-wire intelligent LED dimming power source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206365076U (en) |
-
2016
- 2016-08-16 CN CN201620891219.XU patent/CN206365076U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170728 Termination date: 20200816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |