A kind of intelligence light-adjustable LED lampTechnical field
The present invention relates to a kind of light-adjustable LED lamps, more particularly, to a kind of intelligent light-adjustable LED lamp.
Background technique
In recent years, with the continuous popularization of intelligent lighting concept, more and more LED light are provided with intelligent dimming control functionEnergy.Existing intelligence light-adjustable LED lamp, is usually provided with wireless communication module inside it, and wireless control terminal passes through wirelessCommunication module realizes the data interaction between intelligent light-adjustable LED lamp, to realize the long-range tune to intelligent light-adjustable LED lampPhotocontrol.In far distance light regulation control, wireless control terminal sends wireless control signal, and intelligent light-adjustable LED lamp receives thisAfter wireless control signal, by the wireless control signal by being changed into light modulation data after decoding process, intelligent light-adjustable LED lamp is pressedAccording to the light modulation data, its light emission luminance and luminescent color are set.The operating current as required for general wireless communication moduleIt is larger, special high-current power supply circuit is set in intelligent light-adjustable LED lamp for wireless communication module, work electricity is providedPressure.So existing intelligence light-adjustable LED lamp function is perfect, when being used alone, there is certain advantage, but currently existThe application of many intelligent LED lamps generally requires multiple intelligent light-adjustable LED lamps and constitutes an intelligent tunable optical togetherLED light lamp group uses, and the cost of the lamp group can be higher at this time, market competitiveness decline.
In order to solve the cost problem of intelligent light-adjustable LED lamp lamp group, currently there is a kind of low cost solution:Increase the intelligent controller with wireless communication function in intelligent light-adjustable LED lamp lamp group, intelligent controller and intelligence canIntelligent light-adjustable LED lamp connection each of in dimming LED lamp lamp group, and communicated wirelessly with wireless control terminal, it realizesTo the brightness adjustment control of each intelligent light-adjustable LED lamp in intelligent light-adjustable LED lamp lamp group.The program is inside intelligent controllerA wireless communication module, which is arranged, can realize the brightness adjustment control of each intelligent light-adjustable LED lamp, it is possible thereby to by each intelligenceWireless communication module inside energy light-adjustable LED lamp omits and the high-current power supply circuit of special higher cost is replacedAt lower-cost low current power supply, because using current power-line carrier communication higher cost, intelligenceDesign is attached using proprietary communication route is increased between controller and each intelligent light-adjustable LED lamp, thus entire adjustableThe cost of light LED light lamp group has obtained significantly reducing.
The connection structure diagram of above-mentioned intelligence light-adjustable LED lamp lamp group is as shown in Figure 1, intelligent controller is inputted with firewireEnd, zero curve input terminal, positive communication ends and negative communication ends, each intelligence light-adjustable LED lamp have firewire input terminal, zero curve input respectivelyEnd, positive communication ends and negative communication ends, the firewire input terminal of the firewire input terminal of intelligent controller and each intelligent light-adjustable LED lampIt is both connected on the firewire of alternating current, the zero curve input terminal of the zero curve input terminal of intelligent controller and each intelligent light-adjustable LED lampIt is all connected on the zero curve of alternating current, proprietary communication route includes two communication lines, and the positive communication ends of intelligent controller pass through firstCommunication line connect with the positive communication ends of each intelligent light-adjustable LED lamp respectively, and the negative communication ends of intelligent controller pass through secondCommunication line is connect with the negative communication ends of each intelligent light-adjustable LED lamp respectively.When intelligent controller is receiving external nothingAfter line control signal, the control signal to each intelligent light-adjustable LED lamp is issued by its positive communication ends and negative communication ends, it is eachIntelligent light-adjustable LED lamp is after the control signal for receiving intelligent controller sending, by the control signal by turning after decoding processBecome dimming data, respective light emission luminance and luminescent color then are set according to light modulation data.
Above-mentioned intelligence light-adjustable LED lamp lamp group has advantage in terms of cost, still, due to the intelligent tunable optical in lamp groupLED light had both needed to be electrically connected access power supply with city, it is also desirable to connect incoming control signal with intelligent controller, just be able to achieve tuneLight, in order to match the structure of current intelligent light-adjustable LED lamp, after connecting intelligent controller with intelligent light-adjustable LED lamp, intelligenceTwo communication lines that energy light-adjustable LED lamp is electrically connected with city need additional be laid with to be routed, and bring inconvenience to concrete application.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of intelligent light-adjustable LED lamp, which is answeredIt when in intelligent light-adjustable LED lamp lamp group, does not need to be electrically connected with city, it is only necessary to connect using two lines road and intelligent controllerThe access that power supply can be achieved at the same time and control signal is connect, makes intelligent light-adjustable LED lamp lamp group on the basis with lower costOn, application is more convenient.
The technical scheme of the invention to solve the technical problem is: a kind of intelligence light-adjustable LED lamp, including rectificationCircuit, level shifting circuit, unidirectional through-flow circuit, voltage regulator circuit, decoding control circuit, current control module, the first LED moduleWith the second LED module, the rectification circuit respectively with the level shifting circuit and the unidirectional through-flow circuit connection,The unidirectional through-flow circuit respectively with the voltage regulator circuit, the current control module, first LED module andThe second LED module connection, the level shifting circuit are controlled with the voltage regulator circuit and the decoding respectivelyCircuit connection, the current control module respectively with the decoding control circuit, first LED module and describedThe connection of second LED module, the intelligent light-adjustable LED lamp further includes voltage detecting circuit, the voltage detecting circuit pointIt is not connect with the rectification circuit and the decoding control circuit；There are two types of work for the intelligent light-adjustable LED lamp toolState: taking electricity condition and obtains control signal condition, described when the intelligent light-adjustable LED lamp, which is in, takes electricity conditionDecoding control circuit is exported according to the two-way pwm control signal that the current newest control parameter stored in it generates to the electricityFlow control module, the current control module generate described the of two-way driving current driving according to two-way pwm control signalOne LED module and second LED module shine；
The level shifting circuit is at the time of the Output Voltage in Rectified Circuits is zero, output high level, andAt the time of the voltage of the rectification circuit output is not zero, export as low level；It is provided in the voltage detecting circuitVoltage threshold, the output voltage of rectification circuit described in the voltage detecting circuit real-time detection, and by the rectified currentThe output voltage on road generates state and determines that signal is exported to the decoding control circuit after being compared with threshold voltage, work as instituteWhen the output voltage for the rectification circuit stated is more than or equal to voltage threshold, the state of the voltage detecting circuit output determines signalFor high level, shows that the intelligent light-adjustable LED lamp is at this time and take electricity condition, when the output voltage of the rectification circuitWhen less than voltage threshold, the state of the voltage detecting circuit output determines that signal is low level, and the intelligence can at this timeDimming LED lamp, which is in, obtains control signal condition；When the state that the voltage detecting circuit exports determines signal by low levelWhen jumping to high level, the intelligent light-adjustable LED lamp terminates to obtain control signal condition, described into taking electricity conditionDecoding control circuit is exported according to the two-way pwm control signal that the current newest control parameter stored in it generates to the electricityFlow control module, the current control module generate described the of two-way driving current driving according to two-way pwm control signalOne LED module and second LED module shine, when the state that the voltage detecting circuit exports determines signal by high electricityFlat when jumping to low level, the intelligent light-adjustable LED lamp terminates to take electricity condition, controls signal condition into obtaining, at this timeThe decoding control circuit no longer exports two-way pwm control signal, but exports two low level signal control electricityThe output of flow control module ends, and at the same time, the decoding control circuit obtains the output of the level shifting circuitSignal, if the output signal perseverance is low level, the decoding control circuit keeps controlling parameter constant in it, if this is defeatedOccurs high level in signal out, the decoding control circuit receives the encoded signal after the high level, and to the encoded signalIt is decoded to obtain address code and control parameter, determines to decode obtained address code and whether its own address code is consistent, ifUnanimously, then the control parameter stored in its is updated using obtained control parameter, if it is inconsistent, determine encoded signal withoutEffect, keeps its current control parameter constant；When the state that the voltage detecting circuit exports determines signal again by low levelWhen jumping to high level, the intelligent light-adjustable LED lamp terminates to obtain control signal condition, is again introduced into and takes electricity condition, weekAnd it renews.
The rectification circuit has firewire input terminal, zero curve input, output end and ground terminal, the voltage regulator circuitWith input, output end and ground terminal, the level shifting circuit has anode, input, output end and ground terminal, instituteThe decoding control circuit stated has anode, voltage signal inputs, control signal input, the first control terminal, the second control terminalAnd ground terminal, the unidirectional through-flow circuit have anode and cathode, conducting when electric current flows to cathode from anode, conversely, then cuttingOnly, the current control module has anode, the first control terminal, the second control terminal, the first output end, second output terminal and connectsGround terminal, first LED module and second LED module are respectively provided with anode and cathode, the voltage detecting electricityRoad has input, output end and ground terminal, and firewire input terminal and zero curve the input termination of the rectification circuit are for connectingIntelligent controller, positive, described voltage detecting circuit of the output end of the rectification circuit, the unidirectional through-flow circuitInput terminal connected with the input terminal of the level shifting circuit, the output end of the level shifting circuit and the solutionThe control signal input of code control circuit connects, the first control terminal and the current control of the decoding control circuitFirst control terminal of module connects, and the second of the second control terminal of the decoding control circuit and the current control moduleThe voltage signal inputs of control terminal connection, the output end of the voltage detecting circuit and the decoding control circuit connectIt connects, the first output end of the current control module is connected with the cathode of first LED module, the current controlThe second output terminal of module is connected with the cathode of second LED module, the cathode of the unidirectional through-flow circuit, describedThe input terminal of voltage regulator circuit, the current control module the first positive, described LED module anode and described secondThe anode connection of LED module, the output end of the voltage regulator circuit, the anode of the level shifting circuit and the decodingThe anode connection of control circuit, the ground terminal of the rectification circuit, the ground terminal of the voltage detecting circuit, the electricityThe ground terminal of flat conversion circuit, the ground terminal of the decoding control circuit, the ground terminal of the voltage regulator circuit and describedThe ground terminal of current control module connects.
The voltage regulator circuit includes the first chip, the second chip, first diode, the second diode, first resistor, theOne capacitor and the second capacitor；First chip uses general linear constant current chip, and second chip is using generalThe linear voltage stabilizing chip of LDO tri-, have voltage input end, voltage output end and ground terminal, the first diode is steadyDiode is pressed, second diode is rectifier diode, and the first capacitor is electrolytic capacitor, first chipOutput end be the voltage regulator circuit input terminal, the ground terminal of first chip, the first diode it is negativePole is connected with the cathode of second diode, and the adjustable side of first chip and one end of the first resistor connectIt connects, the other end of the first resistor, the anode of positive, described first capacitor of second diode and describedThe voltage input end of second chip connects, and the voltage output end of second chip is connected with one end of second capacitorAnd its connecting pin is the output end of the voltage regulator circuit, positive, described first capacitor of the first diode is bornPole, second capacitor the other end connected with the ground terminal of second chip and its connecting pin is the described pressure stabilizing electricityThe ground terminal on road.The voltage regulator circuit utilizes the high-voltage linear constant current chip and general LDO chip of low price, forms the drop of tandem typeVoltage regulator circuit is pressed, on the basis of realizing voltage stabilizing function, cost is relatively low.
The level shifting circuit includes second resistance, 3rd resistor, the 4th resistance and the first triode, and describedOne end of two resistance is the input terminal of the level shifting circuit, the other end of the second resistance, the third electricityOne end of resistance is connected with the base stage of first triode, and one end of the 4th resistance is the level shifting circuitAnode, the other end of the 4th resistance connected with the collector of first triode and its connecting pin be it is describedThe output end of level shifting circuit, the other end of the 3rd resistor is connected with the emitter of first triode and itConnecting pin is the ground terminal of the level shifting circuit.
Third chip realization of the decoding control circuit using model AI100, the 1st foot of the third chipFor the anode of the decoding control circuit, the 8th foot of the third chip is the ground terminal of the decoding control circuit,5th foot of the third chip be the decoding control circuit control signal input, the 6th of the third chip theFoot is the voltage signal inputs of the decoding control circuit, and the 4th foot of the third chip is that the decoding controlsFirst control terminal of circuit, the 3rd foot of the third chip are the second control terminal of the decoding control circuit.
The rectification circuit realizes that the 1st foot of the full bridge rectifier bridge heap is described using full bridge rectifier bridge heapThe firewire input terminal of rectification circuit, the 3rd foot of the full bridge rectifier bridge heap are the zero curve input terminal of the rectification circuit, institute2nd foot of the full bridge rectifier bridge heap stated is the output end of the rectification circuit, and the 4th foot of the full bridge rectifier bridge heap is instituteThe ground terminal for the rectification circuit stated.
The unidirectional through-flow circuit includes third diode, and the third diode is rectifier diode, describedThe anode of the just extremely described unidirectional through-flow circuit of third diode, the cathode of the third diode are described unidirectionalThe cathode of through-flow circuit.
The module that the current control module is designed using the circuit engineering of existing maturation, the current control mouldFirst control terminal of block is connected with the first control terminal of the decoding control circuit, the second control of the current control moduleEnd processed is connected with the second control terminal of the decoding control circuit, and the first control terminal of the current control module accesses instituteCorresponding driving electricity is exported in its first output end after the pwm control signal of the first control terminal output for the decoding control circuit statedStream, the PWM of the second control terminal output of the second control terminal access of current control module decoding control circuitCorresponding driving current is exported in its second output terminal after control signal.
The voltage detecting circuit includes the 5th resistance, the 6th resistance, third capacitor and the 4th diode, and described theFour diodes are zener diode, and one end of the 5th resistance is the input terminal of the voltage detecting circuit, describedThe other end of 5th resistance is connected with the cathode of the 4th diode, positive, described of the 4th diodeOne end of six resistance is connected with one end of the third capacitor and its connecting pin is the output end of the voltage detecting circuit,The other end of the third capacitor is connected with the other end of the 6th resistance and its connecting pin is the voltage detectingThe ground terminal of circuit.
Compared with the prior art, the advantages of the present invention are as follows pass through rectification circuit, level shifting circuit, unidirectional galvanizationRoad, voltage regulator circuit, decoding control circuit, current control module, the first LED module, the second LED module and voltage detecting circuit structureAt intelligent light-adjustable LED lamp, rectification circuit is respectively with level shifting circuit and unidirectional through-flow circuit connection, and unidirectionally through-flow circuit dividesDo not connect with voltage regulator circuit, current control module, the first LED module and the second LED module, level shifting circuit respectively with pressure stabilizingCircuit is connected with decoding control circuit, current control module respectively with decoding control circuit, the first LED module and the 2nd LED mouldBlock connection, voltage detecting circuit are connect with rectification circuit and decoding control circuit respectively, and there are two types of the shapes that works for intelligent controller toolState: power supply state and state of a control, intelligent light-adjustable LED lamp have with the matched two kinds of working conditions of intelligent controller: taking electricityState and acquisition control signal condition, intelligent controller can receive the nothing of external wireless controlling terminal transmission in any stateLine control signal, but only in state of a control, control signal could be sent to the intelligent light-adjustable LED lamp of connection, in intelligent controlWhen device processed is in power supply state, intelligent light-adjustable LED lamp is in and takes electricity condition, when intelligent controller is in state of a control, intelligenceLight-adjustable LED lamp, which is in, obtains control signal condition, does not send out if intelligent controller has after going to state of a control from power supply stateThe control signal sent, then send control signal, otherwise keep the current status unchanged；Level shifting circuit exports electricity in rectification circuitAt the time of pressure is zero, high level is exported, and at the time of the voltage of rectification circuit output is not zero, it exports as low level, voltageIt is provided with voltage threshold in detection circuit, the output voltage of voltage detecting circuit real-time detection rectification circuit, and by rectification circuitOutput voltage be compared with threshold voltage after generate state determine signal export to decoding control circuit, when rectification circuitWhen output voltage is more than or equal to voltage threshold, the state of voltage detecting circuit output determines that signal is high level, shows intelligence at this timeEnergy light-adjustable LED lamp, which is in, takes electricity condition, when the output voltage of rectification circuit is less than voltage threshold, voltage detecting circuit outputState determine signal be low level, show at this time intelligent light-adjustable LED lamp be in obtain control signal condition；Work as voltage detectingWhen the state of circuit output determines that signal jumps to high level by low level, intelligent light-adjustable LED lamp terminates to obtain control signalState, into electricity condition is taken, decoding control circuit is controlled according to the two-way PWM that the current newest control parameter stored in it generatesSignal is exported to current control module, and current control module generates two-way driving current driving the according to two-way pwm control signalOne LED module and the second LED module shine, when the state of voltage detecting circuit output determines that signal jumps to low electricity by high levelUsually, intelligent light-adjustable LED lamp terminates to take electricity condition, controls signal condition into obtaining, decoding control circuit is no longer defeated at this timeTwo-way pwm control signal out, but the output cut-off of two low level signal control current control modules is exported, at the same time,Decoding control circuit obtains the output signal of level shifting circuit, if the output signal perseverance is low level, decoding control circuitIt keeps controlling parameter constant in it, if occurring high level in the output signal, after decoding control circuit receives the high levelEncoded signal, and the encoded signal is decoded to obtain control parameter, its memory is then updated using obtained control parameterThe control parameter of storage；When the state of voltage detecting circuit output determines that signal jumps to high level by low level again, intelligenceLight-adjustable LED lamp terminates to obtain control signal condition, is again introduced into and takes electricity condition, in cycles；Thus the present invention does not need to connectEnter alternating current, it is only necessary to connect by two lines road with intelligent controller, that is, power supply signal can be achieved at the same time and control connecing for signalEnter, makes intelligent light-adjustable LED lamp lamp group on the basis of with lower cost, application is more convenient.
Detailed description of the invention
Fig. 1 is the structural block diagram for the intelligent light-adjustable LED lamp lamp group realized using existing intelligent light-adjustable LED lamp；
Fig. 2 is the structural block diagram of intelligent light-adjustable LED lamp of the invention；
Fig. 3 is the circuit diagram of intelligent light-adjustable LED lamp of the invention；
Fig. 4 is the structural block diagram for the intelligent light-adjustable LED lamp lamp group realized using intelligent light-adjustable LED lamp of the invention.
Specific embodiment
The present invention will be described in further detail below with reference to the embodiments of the drawings.
Embodiment: as shown in Fig. 2, a kind of intelligence light-adjustable LED lamp, including it is rectification circuit, level shifting circuit, unidirectional logicalCurrent circuit, voltage regulator circuit, decoding control circuit, current control module, the first LED module and the second LED module, rectification circuit pointNot with level shifting circuit and unidirectional through-flow circuit connection, unidirectional through-flow circuit respectively with voltage regulator circuit, current control module, theOne LED module and the connection of the second LED module, level shifting circuit are connect with voltage regulator circuit and decoding control circuit respectively, electric currentControl module is connect with decoding control circuit, the first LED module and the second LED module respectively, and intelligent light-adjustable LED lamp further includesVoltage detecting circuit, voltage detecting circuit are connect with rectification circuit and decoding control circuit respectively；Intelligent light-adjustable LED lamp hasTwo kinds of working conditions: taking electricity condition and obtains control signal condition, when intelligent light-adjustable LED lamp, which is in, takes electricity condition, decodingControl circuit exports according to the two-way pwm control signal that the current newest control parameter stored in it generates and gives current control mouldBlock, current control module generate two-way driving current according to two-way pwm control signal and drive the first LED module and the 2nd LED mouldBlock shines；Level shifting circuit exports high level at the time of Output Voltage in Rectified Circuits is zero, and in rectification circuit outputAt the time of voltage is not zero, export as low level；Voltage threshold is provided in voltage detecting circuit, voltage detecting circuit is examined in real timeThe output voltage of rectification circuit is surveyed, and generates state after the output voltage of rectification circuit is compared with threshold voltage and determines letterNumber output is to decoding control circuit, when the output voltage of rectification circuit is more than or equal to voltage threshold, voltage detecting circuit outputState determine signal be high level, show at this time intelligent light-adjustable LED lamp be in take electricity condition, when rectification circuit output electricityWhen pressure is less than voltage threshold, the state of voltage detecting circuit output determines that signal is low level, at this time at intelligent light-adjustable LED lampSignal condition is controlled in obtaining；When the state of voltage detecting circuit output determines that signal jumps to high level by low level, intelligenceEnergy light-adjustable LED lamp terminates to obtain control signal condition, and into electricity condition is taken, decoding control circuit is current according to what is stored in itThe two-way pwm control signal that newest control parameter generates is exported to current control module, and current control module is controlled according to two-way PWMSignal processed generates two-way driving current and the first LED module and the second LED module is driven to shine, when the shape of voltage detecting circuit outputWhen state determines that signal jumps to low level by high level, intelligent light-adjustable LED lamp terminates to take electricity condition, controls signal into obtainingState, decoding control circuit no longer exports two-way pwm control signal at this time, but exports two low level signals and control electric current controlThe output of molding block ends, and at the same time, decoding control circuit obtains the output signal of level shifting circuit, if the output is believedNumber perseverance is low level, and decoding control circuit keeps controlling parameter constant in its, if occurring high level in the output signal, decodingControl circuit receives the encoded signal after the high level, and is decoded to obtain address code and control parameter to the encoded signal,Determine to decode obtained address code and whether its own address code is consistent, if unanimously, updated using obtained control parameterThe control parameter stored in it keeps its current control parameter constant if it is inconsistent, determining that encoded signal is invalid；Work as electricityWhen the state of pressure detection circuit output determines that signal jumps to high level by low level again, intelligent light-adjustable LED lamp terminates to obtainControl signal condition is taken, is again introduced into and takes electricity condition, in cycles.
In the present embodiment, rectification circuit has firewire input terminal, zero curve input, output end and ground terminal, voltage regulator circuitWith input, output end and ground terminal, level shifting circuit has anode, input, output end and ground terminal, decoding controlCircuit have anode, voltage signal inputs, control signal input, the first control terminal, the second control terminal and ground terminal, unidirectionallyThrough-flow circuit has anode and cathode, and conducting when electric current flows to cathode from anode, conversely, then ending, current control module hasAnode, the first control terminal, the second control terminal, the first output end, second output terminal and ground terminal, the first LED module and the 2nd LEDModule is respectively provided with anode and cathode, and voltage detecting circuit has input, output end and ground terminal, and the firewire of rectification circuit is defeatedEnter end and zero curve input termination for connecting intelligent controller, anode, the voltage of the output end of rectification circuit, unidirectional through-flow circuitThe input terminal of detection circuit is connected with the input terminal of level shifting circuit, the output end and decoding control circuit of level shifting circuitControl signal input connection, the first control terminal of decoding control circuit connects with the first control terminal of current control module,Second control terminal of decoding control circuit is connected with the second control terminal of current control module, the output end of voltage detecting circuit andThe voltage signal inputs of decoding control circuit connect, the first output end of current control module and the cathode of the first LED moduleConnection, the second output terminal of current control module are connected with the cathode of the second LED module, the cathode of unidirectional through-flow circuit, pressure stabilizingThe anode connection of the input terminal of circuit, the anode of current control module, the anode of the first LED module and the second LED module, pressure stabilizingThe anode connection of the output end of circuit, the anode of level shifting circuit and decoding control circuit, ground terminal, the level of rectification circuitThe ground terminal of conversion circuit, the ground terminal of decoding control circuit, the ground terminal of voltage regulator circuit and the ground terminal of current control moduleConnection, the firewire input terminal and zero curve input terminal of rectification circuit are corresponded with two output ends of intelligent controller respectively to be connectedIt connects.
As shown in figure 3, in the present embodiment, voltage regulator circuit include the first chip U1, the second chip U2, first diode D1,Second diode D2, first resistor R1, first capacitor C1 and the second capacitor C2；First chip U1 uses general linear constant current corePiece, the second chip U2 use the general linear voltage stabilizing chip of LDO tri-, have voltage input end, voltage output end and ground terminal,First diode D1 is zener diode, and the second diode D2 is rectifier diode, and first capacitor C1 is electrolytic capacitor, the first coreThe output end of piece U1 is the input terminal of voltage regulator circuit, the cathode and the two or two of the ground terminal of the first chip U1, first diode D1The cathode of pole pipe D2 connects, and the adjustable side of the first chip U1 is connected with one end of first resistor R1, the other end of first resistor R1,The voltage input end of the anode of second diode D2, the anode of first capacitor C1 and the second chip U2 connects, the second chip U2'sThe connection of one end of voltage output end and the second capacitor C2 and its connecting pin are the output end of voltage regulator circuit, and first diode D1 is justPole, the cathode of first capacitor C1, the ground terminal connection of the other end of the second capacitor C2 and the second chip U2 and its connecting pin are steadyThe ground terminal of volt circuit.
As shown in figure 3, level shifting circuit includes second resistance R2,3rd resistor R3, the 4th resistance R4 in the present embodimentWith the first triode Q1, one end of second resistance R2 is the input terminal of level shifting circuit, the other end of second resistance R2, thirdOne end of resistance R3 is connected with the base stage of the first triode Q1, and one end of the 4th resistance R4 is the anode of level shifting circuit, theThe other end of four resistance R4 and the output end of collector connection and its connecting pin for level shifting circuit of the first triode, thirdThe connection of the emitter of the other end of resistance R3 and the first triode and its connecting pin are the ground terminal of level shifting circuit.
As shown in figure 3, decoding control circuit is realized using the third chip U3 of model AI100, third in the present embodimentThe 1st foot of chip U3 is the anode of decoding control circuit, and the 8th foot of third chip U3 is the ground terminal of decoding control circuit, theThe 5th foot of three chip U3 is the control signal input of decoding control circuit, and the 6th foot of third chip U3 is decoding control circuitVoltage signal inputs, the 4th foot of third chip U3 is the first control terminal of decoding control circuit, the 3rd of third chip U3 theFoot is the second control terminal of decoding control circuit.
As shown in figure 3, rectification circuit is realized using full bridge rectifier bridge heap Db, full bridge rectifier bridge heap Db's in the present embodiment1st foot is the firewire input terminal of rectification circuit, and the 3rd foot of full bridge rectifier bridge heap Db is the zero curve input terminal of rectification circuit, full-bridgeThe 2nd foot of rectifier bridge stack Db is the output end of rectification circuit, and the 4th foot of full bridge rectifier bridge heap Db is the ground terminal of rectification circuit.
As shown in figure 3, unidirectional through-flow circuit includes third diode D3 in the present embodiment, third diode D3 is rectificationDiode, the anode of the just extremely unidirectional through-flow circuit of third diode D3, the cathode of third diode D3 is unidirectional galvanizationThe cathode on road.
As shown in figure 3, in the present embodiment, the module that current control module is designed using the circuit engineering of existing maturation,First control terminal of current control module is connected with the first control terminal of decoding control circuit, the second control of current control moduleEnd is connected with the second control terminal of decoding control circuit, and the first control terminal of current control module accesses the of decoding control circuitCorresponding driving current is exported in its first output end after the pwm control signal of one control terminal output, the of current control moduleIt exports and corresponds in its second output terminal after the pwm control signal that the second control terminal that two control terminals access decoding control circuit exportsDriving current.
As shown in figure 3, voltage detecting circuit includes the 5th resistance R5, the 6th resistance R6, third capacitor C3 in the present embodimentIt is zener diode with the 4th diode D4, the 4th diode D4, one end of the 5th resistance R5 is the input of voltage detecting circuitThe cathode connection of end, the other end of the 5th resistance R5 and the 4th diode D4, the anode of the 4th diode D4, the 6th resistance R6One end is connected with one end of third capacitor C3 and its connecting pin is the output end of voltage detecting circuit, the other end of third capacitor C3It is connected with the other end of the 6th resistance R6 and its connecting pin is the ground terminal of voltage detecting circuit.
As shown in figure 4, constituting intelligent Dimmable LED using n intelligent light-adjustable LED lamps and intelligent controller of the inventionWhen lamp lamp group, n is integer more than or equal to 2, the zero curve input terminal and fire wire output end of each intelligence light-adjustable LED lamp respectively withTwo output ends of intelligent controller connect one to one, and a reference voltage (usually alternating current is provided in intelligent controllerThe half of alternating current peak-peak), there are two types of working conditions for intelligent controller tool: power supply state and state of a control, when alternating current is handed overWhen galvanic electricity pressure is more than or equal to reference voltage, intelligent controller is in power supply state, when mains voltage is less than reference voltage,Intelligent controller is in state of a control, and intelligent controller does not send control signal in power supply state, and intelligent controller is controllingWhen state, if receiving external wireless control signal or having the also untreated wireless control signal of power supply state, being based on shouldWireless control signal generates corresponding control signal and is sent to intelligent light-adjustable LED lamp, otherwise keeps current output signal constant.WhenIn intelligent controller when the wireless control signal of processing in need, intelligent control circuit its access mains voltage from bigWhen jumping to equal to reference voltage less than reference voltage, according to communication protocol preset in it, no-voltage is first exported, then rootAddress code and control parameter encoded signal including intelligent light-adjustable LED lamp are generated according to wireless control signal, encoded signal is heightLow level signal sequence, intelligent controller exports non-zero voltage when high level signal, when low level signal, intelligent controller outputNo-voltage；Intelligent light-adjustable LED lamp receives the output signal of intelligent controller, and each intelligence light-adjustable LED lamp is whole at this timeCurrent circuit will be converted to the DC voltage including no-voltage and non-zero voltage and be sent to level in the output signal of intelligent controllerConversion circuit and voltage detecting circuit, voltage detecting circuit export low level, and level shifting circuit exports rectification circuit non-Zero voltage transition is low level, and Zero voltage transition is high level, is achieved in the output of encoded signal, decoding control circuit according toPreset coding protocol is decoded the encoded signal, obtains the address code and control parameter of intelligent light-adjustable LED lamp,It is whether consistent with Self address code to determine the address code, if unanimously, updating control ginseng in it using obtained control parameterNumber, otherwise the encoded signal is invalid signals, keeps its current control parameter constant.