CN108112113A - Intelligent dimming controller - Google Patents
Intelligent dimming controller Download PDFInfo
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- CN108112113A CN108112113A CN201611055598.XA CN201611055598A CN108112113A CN 108112113 A CN108112113 A CN 108112113A CN 201611055598 A CN201611055598 A CN 201611055598A CN 108112113 A CN108112113 A CN 108112113A
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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
- H05B45/14—Controlling the intensity of the light using electrical feedback from LEDs or from LED modules
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Abstract
The present invention provides intelligent dimming controller, including microcontroller operating circuit, power circuit, AC voltage sampling circuit, AC current collecting circuit, LED driver voltage collection circuit, LED driver current Acquisition Circuit, light modulation output circuit, DALI communication interface circuits, RS485 communication interface circuits, microcontroller operating circuit is connected respectively with AC voltage sampling circuit, AC current collecting circuit, LED driver voltage collection circuit, LED driver current Acquisition Circuit, light modulation output circuit, DALI communication interface circuits, RS485 communication interface circuits.The advantage of the invention is that：By gathering the voltage and current of input LED driver alternating current, the power factor of LED driver can be obtained；The voltage and current exported by gathering LED driver, can interpolate that whether the working condition of LED driver and LED are normal；The intelligent dimming controller possesses two kinds of light modulation way of outputs of PWM and 0~10V analog voltages, and has two kinds of communication interfaces of DALI and RS485.
Description
Technical field
The present invention relates to Intelligent illumination device more particularly to a kind of intelligent dimming controllers.
Background technology
Energy conservation and environmental protection has become the new problem that the world faces research, and the LED illumination of world's illumination revolution is triggered to come into being.
2010, European and American countries put into effect the regulation of gradually superseded incandescent lamp successively, and China will forbid in 2016 using incandescent lamp, LED
It will be as the main lamps and lanterns of illumination.Conventional light source is replaced by using LED light source, can be realized once energy saving；And intelligent lighting
It introduces, can realize the secondary energy-saving of LED and the transformation of illumination supervision mode on the basis of once energy saving.
The core concept of intelligent lighting includes perceptionization, interconnected, Thingsization and intelligence.Embody the excellent of intelligent lighting
Gesture, it is necessary to possess be quick on the draw, be feature-rich, safe and reliable lamp terminal.Illumination in one LED intelligent illumination system is whole
End is made of LED light source, LED driver and light adjusting controller.Light adjusting controller passes through output pwm signal or 0~10V simulation letters
Number control LED driver, LED driver exports different grades of electric current to LED light source according to dim signal, so that LED
Generate different brightness.
The LED intelligent illumination system of one perfect in shape and function should be able to also drive each LED except can be dimmed to each LED
The power factor of dynamic device is detected, and so as to calculate total power consumption, and then provides Energy Saving Strategy for entire lighting system.Meanwhile it shines
Bright system should be able to also detect LED driver and the working condition of LED light source automatically, can be to abort situation when operation irregularity
It is accurately positioned, so as to which manpower maintenance and repair costs be greatly reduced.The function of these data acquisitions and monitoring all finally
It will be performed by light adjusting controller, thus higher requirement is proposed to light adjusting controller.
DALI (Digital Addressable Lighting Interface) agreement, full name is digital addressable lighting
Interface protocol is a kind of international open standard in lighting area.DALI agreements have energy-efficient, flexible structure, easily
In safeguard, it is powerful the features such as, and the light adjusting system based on DALI agreements have good scalability.Thus DALI agreements
It is widely current in European and American areas, more and more lamps and lanterns producers also begin to production can be with the various lamps and lanterns of DALI protocol-compliants.
RS485 is a kind of hardware standard, has the advantages that long transmission distance, fireballing.For then several kilometers of some length
Street lamp is, it is necessary to carry out telecommunication, therefore on the hardware foundation of RS485, with reference to some other lamp control agreements into portable lighter
Control, has become more and more popular.
The content of the invention
The technical problem to be solved of the present invention is to realize to LED driver work(using intelligent dimming controller
The acquisition of rate factor, the real-time monitoring to LED driver and LED operation state being capable of compatible with digital light modulation and 0~10V simulations
The LED driver of light modulation, while there is DALI and the common lamp control communication interfaces of two kinds of RS485.
The present invention solves above-mentioned technical problem using following technical scheme：A kind of intelligent dimming controller, including monolithic
Machine operating circuit, power circuit, AC voltage sampling circuit, AC current collecting circuit, LED driver voltage collection circuit,
LED driver current Acquisition Circuit, light modulation output circuit, DALI communication interface circuits, RS485 communication interface circuits, microcontroller
Operating circuit drives respectively with AC voltage sampling circuit, AC current collecting circuit, LED driver voltage collection circuit, LED
Device current collection circuit, light modulation output circuit, DALI communication interface circuits, RS485 communication interface circuits are connected, power circuit
Respectively with microcontroller operating circuit, AC voltage sampling circuit, AC current collecting circuit, LED driver current Acquisition Circuit,
Light modulation output circuit, DALI communication interface circuits, RS485 communication interface circuits are connected, and AC voltage sampling circuit connected in series exists
On the firewire of one-way communication electricity, AC current collecting circuit in parallel is between the firewire and zero curve of one-way communication electricity.
Specifically, the microcontroller operating circuit include microcontroller (U1), capacitance C1~C4, resistance R1, crystal oscillator (Y1),
Programming interface (P1), 3 feet of microcontroller (U1) are connected with the anode of capacitance C1 and one end of C2, and 4 feet of microcontroller (U1) pass through
The other end of the cathode of C1 and C2 ground connection, the one end of the both ends of crystal oscillator (Y1) respectively with one end of capacitance C3 and C4 are connected, C3's
The other end is grounded after being connected with the other end of C4, and crystal oscillator (Y1) and the common port of C3 are connected with one end of R1 is followed by microcontroller
(U1) 5 feet, crystal oscillator (Y1) and the common port of C4 are connected with the other end of R1 is followed by 6 feet of microcontroller (U1), microcontroller
(U1) 1 foot and 2 feet is connected respectively with 4 feet of interface (P1) and 1 foot, 3 feet of microcontroller (U1) and 6 feet of programming interface (P1)
It is connected respectively with power circuit；14 feet of microcontroller (U1) are connected with AC voltage sampling circuit；9 feet of microcontroller (U1)
It is connected with AC current collecting circuit；15 feet of microcontroller (U1) are connected with LED driver voltage collection circuit；Microcontroller
(U1) 10 feet are connected with LED driver current Acquisition Circuit；16 feet and 7 feet of microcontroller (U1) are electric with light modulation output respectively
Road is connected；13 feet and 8 feet of microcontroller (U1) are connected with DALI communication interface circuits；8 feet of microcontroller (U1), 11 feet,
12 feet are connected with RS485 communication interface circuits.
Specifically, the power circuit include rectifier bridge (B1), diode D1, D2, capacitance C5~C12, resistance R2~
R7, the first power supply chip (U2), second source chip (U4), optocoupler (U3), inductance L1, L2, transformer T1；
1 foot of the first power supply chip (U2) connects the anode of capacitance C6, the cathode of capacitance C6 and the cathode of capacitance C5, the first electricity
2 feet of source chip (U2) are connected with 2 feet of rectifier bridge (B1), and 4 feet of rectifier bridge (B1) connect alternating current by resistance R2 and adopt
Collector, 3 feet of rectifier bridge (B1) are connected with the zero curve of single-phase alternating current and AC voltage sampling circuit, rectifier bridge (B1)
1 foot is connected with one end of the anode of capacitance C5, one end of resistance R3, one end of capacitance C7 and transformer T1 primary, resistance R3's
The cathode that the other end of the other end and capacitance C7 are connected afterwards with diode D1 is connected, the anode of diode D1 and the first power supply chip
(U2) 5 feet are connected with the other end of transformer T1 primary, and one end of T1 grade of transformer is connected with the anode of diode D2, and two
The cathode of pole pipe D2 is connected with one end of inductance L1 and one end of resistance R4, the other end of inductance L1 and the anode phase of capacitance C9
Even, the cathode of capacitance C9 connects the other end of T1 grade of transformer, 1 foot of another termination optocoupler (U3) of resistance R4, optocoupler (U3)
4 feet be connected with one end of capacitance C8 and 4 feet of the first power supply chip (U2), the other end of C8 and 3 feet of optocoupler (U3), first
2 feet of power supply chip (U2) are connected, and pass through capacitance C10 and be grounded, and 2 feet of optocoupler (U3) pass through resistance R5 and inductance L1 and capacitance
The common port of C9 is connected, the common port output 15V DC voltages of inductance L1 and capacitance C9, and is connected with light modulation output circuit,
2 feet of optocoupler (U3) are grounded by resistance R6；
10 feet, 11 feet, 13 feet of second source chip (U4) are connected the common port for being followed by inductance L1 and capacitance C9, and second
9 feet of power supply chip (U4) are grounded by capacitance C11, and 5 feet and 16 feet of second source chip (U4) are grounded after being connected, the second electricity
1 foot of source chip (U4) connects one end of inductance L2, and the other end of inductance L2 connects the 4 of second source chip (U4) by resistance R7
The common port output 5V DC power supplies of foot, inductance L2 and resistance R7, the common port are connected with 14 feet of second source chip (U4),
And with microcontroller operating circuit, AC current collecting circuit, LED driver current Acquisition Circuit, DALI communication interface circuits,
RS485 communication interface circuits are connected, while are grounded by capacitance C12, after 6~8 feet of second source chip (U4) are connected
Ground connection.
Specifically, the AC voltage sampling circuit includes resistance R8~R10, capacitance C13, isolating transformer T2, every
One end from transformer T2 primary connects AC current collecting circuit, the other end order of isolating transformer T2 primary by resistance R8
The zero curve of intersecting galvanic electricity, the both ends of isolating transformer T2 primary are in parallel with resistance R9, one end of T2 grade of isolating transformer and list
Piece machine operating circuit is connected, and passes through capacitance C13 and be grounded, and the other end of T2 grade of isolating transformer is grounded by resistance R10.
Specifically, the AC current collecting circuit includes capacitance C14, current acquisition chip U5, current acquisition chip
1 foot and 2 feet of U5, which is connected, is followed by the firewire of single-phase alternating current, 3 feet and 4 feet of current acquisition chip U5 be connected after with power supply electricity
Road, AC voltage sampling circuit are connected, and the 5 feet ground connection of current acquisition chip U5,6 feet of current acquisition chip U5 pass through capacitance
C14 is grounded, and 7 feet of current acquisition chip U5 are connected with microcontroller operating circuit, 8 feet and the power supply electricity of current acquisition chip U5
Road is connected.
Specifically, the LED driver voltage collection circuit include resistance R11, R12, capacitance C15, diode D3,
LED driver voltage entrance P2,1 foot of LED driver voltage entrance connect the cathode of diode D3 and one end of resistance R11, and
It is grounded by capacitance C15, the other end of resistance R11 is grounded by resistance R12, common port and the microcontroller work of resistance R11 and R12
It is connected as circuit, 2 feet of LED driver voltage entrance P2 are grounded after being connected with the anode of diode D3.
Specifically, the LED driver current Acquisition Circuit includes capacitance C16 and current acquisition chip (U6), LED drives
Dynamic device electric current is inputted from 1 foot of current acquisition chip (U6) and 2 feet, and is exported from 3 feet of current acquisition chip (U6) and 4 feet,
Wherein 1 foot of current acquisition chip (U6) and 2 feet are connected, and 3 feet and 4 feet of current acquisition chip (U6) are connected, current acquisition core
The 5 feet ground connection of piece (U6), 6 feet of current acquisition chip (U6) are grounded by capacitance C16,7 feet of current acquisition chip (U6) with
Microcontroller operating circuit is connected, and 8 feet of current acquisition chip (U6) are connected with power circuit.
Specifically, the light modulation output circuit includes resistance R13~R17, capacitance C17, C18, amplifier (U7) and optocoupler
(U8), 3 feet of amplifier (U7) are connected by resistance R13 with microcontroller operating circuit, and are passed through capacitance C17 and be grounded, amplifier
(U7) 2 feet are grounded by resistance R15, and are passed through resistance R14 and be connected with 1 foot of amplifier (U7), and 4 feet of amplifier (U7) connect
Ground, 1 foot of amplifier (U7) are grounded by capacitance C18, and export 0~10V simulation dim signal, 8 feet of amplifier (U7) with
Power circuit is connected, and 1 foot and 4 feet of optocoupler (U8) are connected with power circuit, 2 feet and the microcontroller work electricity of optocoupler (U8)
Road is connected, and 3 feet of optocoupler (U8) export PWM dim signals by resistance R16, and the pwm signal output terminal of resistance R16 passes through electricity
Hinder R17 ground connection.
Specifically, the DALI communication interface circuits include rectifier bridge B2, optocoupler U9, U10, resistance R18~R23, electricity
Hold C19, triode Q1, diode D4, D5,1 foot and 2 feet of rectifier bridge B2 1 foot and 2 feet with DALI signal inputs P3 respectively
It is connected, 3 feet of rectifier bridge B2 meet the anode of the collector of triode Q1, the cathode of diode D4 and diode D5, diode D4
Anode connect 1 foot of optocoupler U10,2 feet of optocoupler U10 pass through resistance R22 and the emitter of triode Q1 and one end of resistance R21
It is connected, the other end of resistance R21 is connected with 4 feet of rectifier bridge B2, and 3 feet of optocoupler U10 are connected with microcontroller operating circuit, and lead to
Resistance R23 ground connection is crossed, 4 feet of optocoupler U10 are connected with power circuit, the cathode of diode D5 and 4 feet of optocoupler U9 and capacitance C19
Anode be connected, the cathode of capacitance C19 connects 4 feet of rectifier bridge B2, and 1 foot of optocoupler U9 is connected with power circuit, the 2 of optocoupler U9
Foot is connected by resistance R18 with microcontroller operating circuit, the base stage phase that 3 feet of optocoupler U9 pass through resistance R19 and triode Q1
Even, the base stage of triode Q1 is connected by resistance R20 with 4 feet of rectifier bridge B2.
Specifically, the RS485 communication interface circuits include RS485 chips U11, nor gate U12, bus protection chip
V1, resistance R24~R27, capacitance C20~C22,1 foot of RS485 bus interface P4, RS485 chip U11 and 4 feet respectively with monolithic
Machine operating circuit is connected, and 2 feet and 3 feet of RS485 chips U11, which are connected, to be followed by 1 foot of nor gate U12,3 feet of nor gate U12
It is connected with microcontroller operating circuit, 2 feet of nor gate U12 connect the anode of capacitance C22 and one end of resistance R27, capacitance C22's
Cathode is grounded, and after 14 feet of the other end AND OR NOT gate U12 of resistance R27 are connected, is connected with power circuit, and the 7 of nor gate U12
Foot is grounded, and 8 feet of RS485 chips U11 are connected with one end of power circuit and resistance R24, and the other end of resistance R24 passes through resistance
R25 is connected with one end of resistance R26, and the other end of resistance R26 is grounded after being connected with 5 feet of RS485 chips U11, RS485 chips
2 feet that 6 feet of U11 are connected with the common port of resistance R25, R26 afterwards with RS485 bus interface P4 are connected, RS485 bus interface P4
2 feet be grounded by capacitance C21,7 feet of RS485 chips U11 be connected with the common port of resistance R25, R24 after with RS485 buses
1 foot of interface P4 is connected, and 1 foot of RS485 bus interface P4 is grounded by capacitance C20,1 foot of RS485 bus protection chips V1
It is connected respectively with 1 foot of RS485 bus interface P4 and 2 feet with 2 feet, 3 feet of RS485 bus interface P4 and RS485 bus protections
3 feet of chip V1 are grounded after being connected.
The advantage of the invention is that：
1st, the input voltage and input current of LED driver are detected in real time.
2nd, the power factor of LED driver is detected in real time.
3rd, the operating voltage and operating current of LED driver are detected in real time.
4th, whether detection LED driver and the working condition of LED are normal in real time.
5th, the LED driver of compatible with digital light modulation and 0~10V simulation light modulation inputs.
6th, there are two kinds of communication interfaces of DALI and RS485.
Description of the drawings
Fig. 1 is the overall structure block diagram of the present invention.
Fig. 2 is the microcontroller working circuit diagram of the present invention.
Fig. 3 is the power circuit diagram of the present invention.
Fig. 4 is the AC voltage sampling circuit diagram of the present invention.
Fig. 5 is the AC current collecting circuit diagram of the present invention.
Fig. 6 is the LED driver voltage collection circuit figure of the present invention.
Fig. 7 is the LED driver current Acquisition Circuit figure of the present invention.
Fig. 8 is the light modulation output circuit figure of the present invention.
Fig. 9 is the DALI communication interface circuit figures of the present invention.
Figure 10 is the RS485 communication interface circuit figures of the present invention.
Specific embodiment
The present invention is described in detail below in conjunction with attached drawing.
Fig. 1 is overall structure block diagram of the present invention.Including microcontroller operating circuit, power circuit, AC voltage sampling circuit,
AC current collecting circuit, LED driver voltage collection circuit, LED driver current Acquisition Circuit, light modulation output circuit,
DALI communication interface circuits, RS485 communication interface circuits, microcontroller operating circuit respectively with AC voltage sampling circuit, exchange
Current collection circuit, LED driver voltage collection circuit, LED driver current Acquisition Circuit, light modulation output circuit, DALI lead to
Letter interface circuit, RS485 communication interface circuits are connected, power circuit respectively with microcontroller operating circuit, AC voltage sampling
Circuit, AC current collecting circuit, LED driver current Acquisition Circuit, light modulation output circuit, DALI communication interface circuits,
RS485 communication interface circuits are connected, and AC voltage sampling circuit connected in series is on the firewire of one-way communication electricity, AC current collecting
Circuit in parallel is between the firewire and zero curve of one-way communication electricity.
Fig. 2 is the microcontroller working circuit diagram of the present invention.U1 is the microcontroller of 16 feet, and in one example, U1 is
MC9S08SG8.3 feet of U1 are connected with the anode of capacitance C1 and one end of C2, and 4 feet of U1 pass through the cathode of C1 and the other end of C2
Ground connection.The one end of the both ends of crystal oscillator Y1 respectively with one end of capacitance C3 and C4 is connected, and the other end of C3 is connected with the other end of C4
After be grounded, the common port of Y1 and C3 are connected with one end of R1 is followed by 5 feet of U1, the other end phase of the common port and R1 of Y1 and C4
Company is followed by 6 feet of U1.1 foot and 2 feet of U1 is connected respectively with 4 feet of interface P1 and 1 foot.14 feet and AC voltage sampling of U1
Circuit is connected；9 feet of U1 are connected with AC current collecting circuit；10 feet of U1 and LED driver current Acquisition Circuit phase
Connection；15 feet of U1 are connected with LED driver voltage collection circuit；16 feet and 7 feet of U1 are respectively with dimming output circuit phase
Connection；13 feet of U1 are connected with DALI communication interface circuits；8 feet, 11 feet, 12 feet of U1 are electric with RS485 communication interfaces respectively
Road is connected；3 feet of U1 connect power circuit with 6 feet of interface P1.
Fig. 3 is the power circuit diagram of the present invention.U2 is power conversion chip, and in one example, U2 is NCP1012.U2
1 foot connect the anode of capacitance C6, the cathode of C6 is connected with 2 feet of the cathode of capacitance C5,2 feet of U2 and rectifier bridge B1, one
In a example, B1 RS207.4 feet of B1 connect AC current collecting circuit by resistance R2,3 feet of B1 and single-phase alternating current
Zero curve is connected with AC voltage sampling circuit.At the beginning of 1 foot and the anode of C5 of B1, one end of R3, one end of C7 and transformer T1
One end of grade is connected, and the cathode that the other end of R3 and the other end of C7 are connected afterwards with diode D1 is connected, the anode of D1 and the 5 of U2
Foot is connected with the other end of T1 primary.One end of T1 grade is connected with the anode of diode D2, the cathode of D2 and the one of inductance L1
End is connected with one end of R4, and the other end of L1 is connected with the anode of capacitance C9, and the cathode of C9 connects the other end of T1 grade.R4's is another
1 foot of one termination optocoupler U3, in one example, 4 feet of U3 TLP521-1, U3 and one end of capacitance C8 and the 4 foot phases of U2
Even, the other end of C8 is connected with 2 feet of 3 feet of U3, U2, and passes through capacitance C10 and be grounded.2 feet of U3 by resistance R5 and L1 and
The common port of C9 is connected, the common port output 15V DC voltages of L1 and C9, and is connected with light modulation output circuit, and 2 feet of U3 lead to
Cross resistance R6 ground connection.
Shown in Fig. 3, U4 is power supply chip, and in one example, 10 feet, 11 feet, 13 feet of U4 TPS62153, U4 are connected
It is followed by the common port of L1 and C9；9 feet of U4 are grounded by capacitance C11, and 5 feet and 16 feet of U4 are grounded after being connected, and 1 foot of U4 connects
One end of inductance L2, the other end of inductance L2 connect the common port output 5V DC power supplies of 4 feet of U4, L2 and R7 by resistance R7,
The common port is connected with 14 feet of U4, and is gathered with microcontroller operating circuit, AC current collecting circuit, LED driver current
Circuit, DALI communication interface circuits, RS485 communication interface circuits are connected, while are grounded by capacitance C12,6~8 feet of U4
It is grounded after being connected.Specifically, the common port of L2 and R7 is connected with 3 feet of the U1 of microcontroller operating circuit and 6 feet of interface P1.
Fig. 4 be the present invention AC voltage sampling circuit diagram, Fig. 9 be the present invention AC current collecting circuit diagram, Figure 10
It is the LED driver voltage collection circuit figure of the present invention, Fig. 7 is the LED driver current Acquisition Circuit figure of the present invention, and Fig. 8 is
The light modulation output circuit figure of the present invention.
In Fig. 4, one end of transformer T2 primary connects AC current collecting electricity by resistance R8 in AC voltage sampling circuit
Road, the other end of T2 primary connect the zero curve of single-phase alternating current, and the both ends of T2 primary are in parallel with resistance R9.One end of T2 grade and list
Piece machine operating circuit is connected, and passes through capacitance C13 and be grounded, and the other end of T2 grade is grounded by resistance R10.
In Fig. 9, the U5 of AC current collecting circuit is current acquisition chip, in one example, U5 ACS713, U5's
1 foot and 2 feet, which are connected, is followed by the firewire of single-phase alternating current, 3 feet and 4 feet of U5 be connected after with power circuit, AC voltage sampling electricity
Road is connected.The 5 feet ground connection of U5,6 feet of U5 are grounded by capacitance C14, and 7 feet of U5 are connected with microcontroller operating circuit, U5
8 feet be connected with power circuit.
In Figure 10, in LED driver voltage collection circuit, P2 is LED driving voltages input port, and 1 foot meets diode D3
Cathode and resistance R11 one end, and pass through capacitance C15 and be grounded；The other end of R11 is grounded by resistance R12, R11 and R12's
Common port is connected with microcontroller operating circuit.2 feet of P2 are grounded after being connected with the anode of D3.
Shown in Fig. 7, in LED driver current Acquisition Circuit, U6 is current acquisition chip, and in one example, U6 is
ACS712, LED driver current are inputted from 1 foot of U6 and 2 feet, and are exported from 3 feet of U6 and 4 feet, 1 foot and 2 feet of wherein U6
It is connected, 3 feet and 4 feet of U6 are connected.The 5 feet ground connection of U6,6 feet of U6 are grounded by capacitance C16, and 7 feet and the microcontroller of U6 work
Circuit is connected, and 8 feet of U6 are connected with power circuit.
Shown in Fig. 8, dim in output circuit, U7 is amplifier, and in one example, 3 feet of U7 LM358, U7 pass through
Resistance R13 is connected with microcontroller operating circuit, and passes through capacitance C17 and be grounded, and 2 feet of U7 are grounded by resistance R15, and pass through electricity
Resistance R14 is connected with 1 foot of U7, and the 4 feet ground connection of U7,1 foot of U7 is grounded by capacitance C18, and exports 0~10V simulation light modulation letters
Number.8 feet of U7 are connected with power circuit.U8 is optocoupler, in one example, 1 foot and 4 feet of U8 TLP521-1, U8 with
Power circuit is connected, and 2 feet of U8 are connected with microcontroller operating circuit, and 3 feet of U8 export PWM light modulation letters by resistance R16
Number, the pwm signal output terminal of R16 is grounded by resistance R17.
Fig. 9 is DALI communication interface circuit figures.B2 is rectifier bridge, and in one example, B2 MB2S, 1 foot and 2 feet divide
It is not connected with 1 foot of DALI signal inputs P3 and 2 feet.3 feet of B2 connect the collector of triode Q1, diode D4 cathode and
The anode of diode D5.The anode of D4 connects 1 foot of optocoupler U10, and in one example, 2 feet of U10 TLP521-1, U10 pass through
Resistance R22 is connected with the emitter of Q1 and one end of resistance R21, and the other end of R21 is connected with 4 feet of B2.3 feet and list of U10
Piece machine operating circuit is connected, and passes through resistance R23 and be grounded.4 feet of U10 are connected with power circuit.The cathode of D5 and the 4 of optocoupler U9
Foot is connected with the anode of capacitance C19, in one example, U9 TLP521-1.The cathode of C19 connects 4 feet of B2.1 foot of U9 with
Power circuit is connected, and 2 feet of U9 are connected by resistance R18 with microcontroller operating circuit.3 feet of U9 by resistance R19 with
The base stage of Q1 is connected, and the base stage of Q1 is connected by resistance R20 with 4 feet of B2.
Figure 10 is RS485 communication interface circuit figures.U11 is RS485 chips, in one example, U11 SP485R, 1
Foot and 4 feet are connected respectively with microcontroller operating circuit.2 feet and 3 feet of U11, which are connected, to be followed by 1 foot of nor gate U12, at one
In example, 3 feet of U12 74HC02, U12 are connected with microcontroller operating circuit.2 feet of U12 connect the anode and electricity of capacitance C22
Hinder one end of R27, the cathode ground connection of C22.After the other end of R27 is connected with 14 feet of U12, it is connected with power circuit, U12's
7 feet are grounded.8 feet of U11 are connected with one end of power circuit and resistance R24.The other end of R24 passes through resistance R25 and resistance R26
One end be connected.The other end of R26 is grounded after being connected with 5 feet of U11.6 feet of U11 be connected with the common port of R25, R26 after with
2 feet of RS485 bus interface P4 are connected, and 2 feet of P4 are grounded by capacitance C21.7 feet of U11 are connected with the common port of R25, R24
1 foot with RS485 bus interface P4 is connected afterwards, and 1 foot of P4 is grounded by capacitance C20.1 foot of RS485 bus protection chips V1
It is connected respectively with 1 foot of P4 and 2 feet with 2 feet, in one example, V1 NUP2105L.After 3 feet of P4 are connected with 3 feet of V1
Ground connection.
The course of work of the present invention is as follows：
When the intelligent controller works, one-way communication electrical fire line current flows through current acquisition chip U5, U5, and electric current is big
It is small to be converted into input microcontroller U1, U1 after the voltage value of 0~5V current value is calculated；Alternating current voltage divides through resistance R8, R9
Microcontroller U1, U1 are input to after transformer T2 isolation voltage value is calculated again after pressure.The current value being calculated according to U1
The power and power factor of entire lamp terminal (intelligent controller, LED driver, LED) can be calculated with voltage value.
Single-phase alternating current is converted to 15V direct currents by power circuit first, which makes for light modulation output circuit
With.15V direct currents can further obtain 5V direct currents after power supply chip U4 effects, and the 5V direct currents are for microcontroller work electricity
Road, AC current collecting circuit, LED driver current Acquisition Circuit, light modulation output circuit, DALI communication interface circuits use.
The voltage of LED driver inputs microcontroller U1, U1 and LED drives is calculated after resistance R11 and resistance R12 partial pressures
The voltage value of dynamic device.Driver current, which is flowed through after current value is converted into 0~5V voltages by current acquisition chip U6, U6, inputs monolithic
The current value of LED driver is calculated in machine U1, U1.The LED driver voltage value being calculated according to U1, you can judge LED
Whether driver work is normal；The LED driver current value being calculated according to U1, you can judge whether LED operation is normal.
The TTL signal that the DALI signals of 0~25V of pressure difference are converted to 0~5V by DALI communication interface circuits supplies microcontroller U1
It receives；The TTL signal of the U1 0~5V sent is converted into satisfactory DALI signals simultaneously.Optocoupler U9 and U10 are respectively in U1
When sending and receiving signal, by 0~5V TTL signals and DALI signal isolations.The effect of B2 be according to the requirement of DALI agreements,
Eliminate polarity of the DALI signals in wiring.The DALI signals that U1 is received by parsing, can obtain dimming commands, and according to the tune
The pwm signal of light instruction output distinct pulse widths, the pwm signal are converted into the direct current of 0~5V after the resistance-capacitance network of R13 and C17
Electricity, and the analog signal of 0~10V is enlarged into through amplifier U7, it is used for the LED driver of 0~10V simulation light modulations.For PWM
The LED driver of light modulation, the pwm signal of U1 outputs is after optocoupler U8 isolation amplifications, by defeated after the pressure limiting network of R16 and R17
Go out.After the dim signal of light modulation output circuit output is input to the light modulation input terminal of LED driver, you can realize the brightness of LED
It adjusts.
RS485 level signals are converted to the TTL signal of 0~5V and are connect for microcontroller U1 by U11 in RS485 communication interface circuits
It receives；The TTL signal of the U1 0~5V sent is converted into satisfactory RS485 level signals simultaneously.The effect of V1 is to protect
RS485 buses prevent from damaging communication chip due to surge voltage.U12, C22, R27, which have, powers on inhibitory action, prevents from being powered
Moment interferes the communication of bus.
The foregoing is merely the preferred embodiments of the invention, are not intended to limit the invention creation, all at this
All any modification, equivalent and improvement made within the spirit and principle of innovation and creation etc., should be included in the invention
Protection domain within.
Claims (10)
1. intelligent dimming controller, it is characterised in that：Including microcontroller operating circuit, power circuit, AC voltage sampling circuit,
AC current collecting circuit, LED driver voltage collection circuit, LED driver current Acquisition Circuit, light modulation output circuit,
DALI communication interface circuits, RS485 communication interface circuits, microcontroller operating circuit respectively with AC voltage sampling circuit, exchange
Current collection circuit, LED driver voltage collection circuit, LED driver current Acquisition Circuit, light modulation output circuit, DALI lead to
Letter interface circuit, RS485 communication interface circuits are connected, power circuit respectively with microcontroller operating circuit, AC voltage sampling
Circuit, AC current collecting circuit, LED driver current Acquisition Circuit, light modulation output circuit, DALI communication interface circuits,
RS485 communication interface circuits are connected, and AC voltage sampling circuit connected in series is on the firewire of one-way communication electricity, AC current collecting
Circuit in parallel is between the firewire and zero curve of one-way communication electricity.
2. intelligent dimming controller according to claim 1, it is characterised in that：The microcontroller operating circuit includes single
Piece machine (U1), capacitance C1~C4, resistance R1, crystal oscillator (Y1), programming interface (P1), 3 feet and capacitance C1 of microcontroller (U1) are just
Pole is connected with one end of C2, and 4 feet of microcontroller (U1) are grounded by the cathode of C1 and the other end of C2, the both ends point of crystal oscillator (Y1)
One end not with one end of capacitance C3 and C4 is connected, and the other end of C3 is grounded after being connected with the other end of C4, crystal oscillator (Y1) and C3
Common port be connected with one end of R1 and be followed by 5 feet of microcontroller (U1), crystal oscillator (Y1) and the common port of C4 and the other end of R1
It is connected and is followed by 6 feet of microcontroller (U1), 1 foot and 2 feet of microcontroller (U1) is connected respectively with 4 feet of interface (P1) and 1 foot, single
3 feet of piece machine (U1) and 6 feet of programming interface (P1) are connected respectively with power circuit；14 feet and alternating current of microcontroller (U1)
Pressure Acquisition Circuit is connected；9 feet of microcontroller (U1) are connected with AC current collecting circuit；15 feet of microcontroller (U1) with
LED driver voltage collection circuit is connected；10 feet of microcontroller (U1) are connected with LED driver current Acquisition Circuit；It is single
16 feet and 7 feet of piece machine (U1) are connected respectively with light modulation output circuit；13 feet and 8 feet of microcontroller (U1) communicate with DALI and connect
Mouth circuit is connected；8 feet, 11 feet, 12 feet of microcontroller (U1) are connected with RS485 communication interface circuits.
3. intelligent dimming controller according to claim 1, it is characterised in that：The power circuit includes rectifier bridge
(B1), diode D1, D2, capacitance C5~C12, resistance R2~R7, the first power supply chip (U2), second source chip (U4), light
Coupling (U3), inductance L1, L2, transformer T1；
1 foot of the first power supply chip (U2) connects the anode of capacitance C6, the cathode of capacitance C6 and the cathode of capacitance C5, the first power supply core
2 feet of piece (U2) are connected with 2 feet of rectifier bridge (B1), and 4 feet of rectifier bridge (B1) connect AC current collecting electricity by resistance R2
Road, 3 feet of rectifier bridge (B1) are connected with the zero curve of single-phase alternating current and AC voltage sampling circuit, 1 foot of rectifier bridge (B1)
It is connected with one end of the anode of capacitance C5, one end of resistance R3, one end of capacitance C7 and transformer T1 primary, resistance R3's is another
The cathode that the other end of end and capacitance C7 are connected afterwards with diode D1 is connected, the anode of diode D1 and the first power supply chip (U2)
5 feet be connected with the other end of transformer T1 primary, one end of T1 grade of transformer is connected with the anode of diode D2, diode
The cathode of D2 is connected with one end of inductance L1 and one end of resistance R4, and the other end of inductance L1 is connected with the anode of capacitance C9, electricity
The cathode for holding C9 connects the other end of T1 grade of transformer, 1 foot of another termination optocoupler (U3) of resistance R4,4 feet of optocoupler (U3)
It is connected with one end of capacitance C8 and 4 feet of the first power supply chip (U2), the other end of C8 and 3 feet, the first power supply of optocoupler (U3)
2 feet of chip (U2) are connected, and pass through capacitance C10 and be grounded, and 2 feet of optocoupler (U3) pass through resistance R5's and inductance L1 and capacitance C9
Common port is connected, the common port output 15V DC voltages of inductance L1 and capacitance C9, and is connected with light modulation output circuit, optocoupler
(U3) 2 feet are grounded by resistance R6；
10 feet, 11 feet, 13 feet of second source chip (U4) are connected the common port for being followed by inductance L1 and capacitance C9, second source
9 feet of chip (U4) are grounded by capacitance C11, and 5 feet and 16 feet of second source chip (U4) are grounded after being connected, second source core
1 foot of piece (U4) connects one end of inductance L2, and the other end of inductance L2 connects 4 feet of second source chip (U4) by resistance R7, electricity
Feel the common port output 5V DC power supplies of L2 and resistance R7, which is connected with 14 feet of second source chip (U4), and with
Microcontroller operating circuit, AC current collecting circuit, LED driver current Acquisition Circuit, DALI communication interface circuits, RS485
Communication interface circuit is connected, while is grounded by capacitance C12, and 6~8 feet of second source chip (U4) are grounded after being connected.
4. intelligent dimming controller according to claim 1, it is characterised in that：The AC voltage sampling circuit includes
Resistance R8~R10, capacitance C13, isolating transformer T2, one end of isolating transformer T2 primary connect alternating current by resistance R8 and adopt
Collector, the other end of isolating transformer T2 primary connect the zero curve of single-phase alternating current, both ends and the electricity of isolating transformer T2 primary
It is in parallel to hinder R9, one end of T2 grade of isolating transformer is connected with microcontroller operating circuit, and passes through capacitance C13 and be grounded, and isolation becomes
The other end of T2 grade of depressor is grounded by resistance R10.
5. intelligent dimming controller according to claim 1, it is characterised in that：The AC current collecting circuit includes
Capacitance C14, current acquisition chip U5,1 foot and 2 feet of current acquisition chip U5, which are connected, is followed by the firewire of single-phase alternating current, electric current
3 feet and 4 feet of acquisition chip U5 are connected after being connected with power circuit, AC voltage sampling circuit, and the 5 of current acquisition chip U5
Foot is grounded, and 6 feet of current acquisition chip U5 are grounded by capacitance C14,7 feet and the microcontroller operating circuit of current acquisition chip U5
It is connected, 8 feet of current acquisition chip U5 are connected with power circuit.
6. intelligent dimming controller according to claim 1, it is characterised in that：The LED driver voltage acquisition electricity
Road includes resistance R11, R12, capacitance C15, diode D3, LED driver voltage entrance P2,1 foot of LED driver voltage entrance
The cathode of diode D3 and one end of resistance R11 are connect, and passes through capacitance C15 and is grounded, the other end of resistance R11 passes through resistance R12
Ground connection, the common port of resistance R11 and R12 are connected with microcontroller operating circuit, 2 feet and two of LED driver voltage entrance P2
The anode of pole pipe D3 is grounded after being connected.
7. intelligent dimming controller according to claim 1, it is characterised in that：The LED driver current acquisition electricity
Road includes capacitance C16 and current acquisition chip (U6), and LED driver current is defeated from 1 foot of current acquisition chip (U6) and 2 feet
Enter, and exported from 3 feet of current acquisition chip (U6) and 4 feet, wherein 1 foot of current acquisition chip (U6) and 2 feet are connected, electric current
3 feet and 4 feet of acquisition chip (U6) are connected, and the 5 feet ground connection of current acquisition chip (U6), 6 feet of current acquisition chip (U6) lead to
Capacitance C16 ground connection is crossed, 7 feet of current acquisition chip (U6) are connected with microcontroller operating circuit, and the 8 of current acquisition chip (U6)
Foot is connected with power circuit.
8. intelligent dimming controller according to claim 1, it is characterised in that：The light modulation output circuit includes resistance
R13~R17, capacitance C17, C18, amplifier (U7) and optocoupler (U8), 3 feet of amplifier (U7) pass through resistance R13 and microcontroller
Operating circuit is connected, and passes through capacitance C17 and be grounded, and 2 feet of amplifier (U7) are grounded by resistance R15, and pass through resistance R14 with
1 foot of amplifier (U7) is connected, and the 4 feet ground connection of amplifier (U7), 1 foot of amplifier (U7) is grounded by capacitance C18, and is exported
0~10V simulates dim signal, and 8 feet of amplifier (U7) are connected with power circuit, 1 foot and 4 feet and the power supply electricity of optocoupler (U8)
Road is connected, and 2 feet of optocoupler (U8) are connected with microcontroller operating circuit, and 3 feet of optocoupler (U8) export PWM by resistance R16
Dim signal, the pwm signal output terminal of resistance R16 are grounded by resistance R17.
9. intelligent dimming controller according to claim 1, it is characterised in that：The DALI communication interface circuits include
Rectifier bridge B2, optocoupler U9, U10, resistance R18~R23, capacitance C19, triode Q1, diode D4, D5,1 foot of rectifier bridge B2 and
2 feet are connected respectively with 1 foot of DALI signal inputs P3 and 2 feet, and 3 feet of rectifier bridge B2 connect the collector of triode Q1, two poles
The cathode of pipe D4 and the anode of diode D5, the anode of diode D4 connect 1 foot of optocoupler U10, and 2 feet of optocoupler U10 pass through resistance
R22 is connected with the emitter of triode Q1 and one end of resistance R21, and the other end of resistance R21 is connected with 4 feet of rectifier bridge B2,
3 feet of optocoupler U10 are connected with microcontroller operating circuit, and pass through resistance R23 and be grounded, 4 feet and the power circuit phase of optocoupler U10
Even, the cathode of diode D5 is connected with the anode of 4 feet of optocoupler U9 and capacitance C19, and the cathode of capacitance C19 connects the 4 of rectifier bridge B2
Foot, 1 foot of optocoupler U9 are connected with power circuit, and 2 feet of optocoupler U9 are connected by resistance R18 with microcontroller operating circuit,
3 feet of optocoupler U9 are connected by resistance R19 with the base stage of triode Q1, and the base stage of triode Q1 passes through resistance R20 and rectifier bridge
4 feet of B2 are connected.
10. intelligent dimming controller according to claim 1, it is characterised in that：The RS485 communication interface circuit bags
RS485 chips U11, nor gate U12, bus protection chip V1, resistance R24~R27, capacitance C20~C22, RS485 buses is included to connect
Mouth P4,1 foot and 4 feet of RS485 chips U11 are connected respectively with microcontroller operating circuit, 2 feet of RS485 chips U11 and 3 foot phases
Company is followed by 1 foot of nor gate U12, and 3 feet of nor gate U12 are connected with microcontroller operating circuit, and 2 feet of nor gate U12 connect
The anode of capacitance C22 and one end of resistance R27, the cathode ground connection of capacitance C22, the 14 of the other end AND OR NOT gate U12 of resistance R27
After foot is connected, it is connected with power circuit, the 7 feet ground connection of nor gate U12,8 feet and power circuit and the electricity of RS485 chips U11
One end of resistance R24 is connected, and the other end of resistance R24 is connected by resistance R25 with one end of resistance R26, the other end of resistance R26
Be grounded after being connected with 5 feet of RS485 chips U11,6 feet of RS485 chips U11 be connected with the common port of resistance R25, R26 after with
2 feet of RS485 bus interface P4 are connected, and 2 feet of RS485 bus interface P4 are grounded by capacitance C21, and the 7 of RS485 chips U11
1 foot that foot is connected with the common port of resistance R25, R24 afterwards with RS485 bus interface P4 is connected, 1 foot of RS485 bus interface P4
It is grounded by capacitance C20,1 foot and 2 feet of RS485 bus protection chips V1 1 foot and 2 feet with RS485 bus interface P4 respectively
It is connected, 3 feet of RS485 bus interface P4 are grounded after being connected with 3 feet of RS485 bus protection chips V1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055598.XA CN108112113A (en) | 2016-11-25 | 2016-11-25 | Intelligent dimming controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611055598.XA CN108112113A (en) | 2016-11-25 | 2016-11-25 | Intelligent dimming controller |
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| Publication Number | Publication Date |
|---|---|
| CN108112113A true CN108112113A (en) | 2018-06-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611055598.XA Pending CN108112113A (en) | 2016-11-25 | 2016-11-25 | Intelligent dimming controller |
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| Country | Link |
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| CN (1) | CN108112113A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111988898A (en) * | 2020-09-15 | 2020-11-24 | 厦门阳光恩耐照明有限公司 | Independent DALI conversion module of adjusting luminance |
-
2016
- 2016-11-25 CN CN201611055598.XA patent/CN108112113A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111988898A (en) * | 2020-09-15 | 2020-11-24 | 厦门阳光恩耐照明有限公司 | Independent DALI conversion module of adjusting luminance |
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