CN110351922A - A kind of intelligence light-adjustable LED lamp - Google Patents
A kind of intelligence light-adjustable LED lamp Download PDFInfo
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- CN110351922A CN110351922A CN201910459921.7A CN201910459921A CN110351922A CN 110351922 A CN110351922 A CN 110351922A CN 201910459921 A CN201910459921 A CN 201910459921A CN 110351922 A CN110351922 A CN 110351922A
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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]
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Abstract
The invention discloses a kind of intelligent light-adjustable LED lamps, including rectification circuit, level shifting circuit, unidirectional through-flow circuit, voltage regulator circuit, decoding control circuit, current control module, the first LED module, the second LED module and voltage detecting circuit, intelligent light-adjustable LED lamp, which has to take electricity condition and obtain, controls signal condition, when taking electricity condition, intelligent light-adjustable LED lamp obtains electric energy from intelligent light regulator, signal condition is controlled obtaining, intelligent light-adjustable LED lamp obtains control signal from intelligent light regulator；Advantage is when being applied in intelligent light-adjustable LED lamp lamp group, it does not need to be electrically connected with city, it only needs to connect i.e. the access that power supply can be achieved at the same time and control signal with intelligent controller using two lines road, makes intelligent light-adjustable LED lamp lamp group on the basis of with lower cost, application is more convenient.
Description
Technical 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 function
Energy.Existing intelligence light-adjustable LED lamp, is usually provided with wireless communication module inside it, and wireless control terminal passes through wireless
Communication module realizes the data interaction between intelligent light-adjustable LED lamp, to realize the long-range tune to intelligent light-adjustable LED lamp
Photocontrol.In far distance light regulation control, wireless control terminal sends wireless control signal, and intelligent light-adjustable LED lamp receives this
After wireless control signal, by the wireless control signal by being changed into light modulation data after decoding process, intelligent light-adjustable LED lamp is pressed
According to the light modulation data, its light emission luminance and luminescent color are set.The operating current as required for general wireless communication module
It is larger, special high-current power supply circuit is set in intelligent light-adjustable LED lamp for wireless communication module, work electricity is provided
Pressure.So existing intelligence light-adjustable LED lamp function is perfect, when being used alone, there is certain advantage, but currently exist
The application of many intelligent LED lamps generally requires multiple intelligent light-adjustable LED lamps and constitutes an intelligent tunable optical together
LED 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 can
Intelligent light-adjustable LED lamp connection each of in dimming LED lamp lamp group, and communicated wirelessly with wireless control terminal, it realizes
To the brightness adjustment control of each intelligent light-adjustable LED lamp in intelligent light-adjustable LED lamp lamp group.The program is inside intelligent controller
A 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 intelligence
Wireless communication module inside energy light-adjustable LED lamp omits and the high-current power supply circuit of special higher cost is replaced
At lower-cost low current power supply, because using current power-line carrier communication higher cost, intelligence
Design is attached using proprietary communication route is increased between controller and each intelligent light-adjustable LED lamp, thus entire adjustable
The 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 firewire
End, zero curve input terminal, positive communication ends and negative communication ends, each intelligence light-adjustable LED lamp have firewire input terminal, zero curve input respectively
End, 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 lamp
It 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 lamp
It 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 first
Communication 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 second
Communication line is connect with the negative communication ends of each intelligent light-adjustable LED lamp respectively.When intelligent controller is receiving external nothing
After 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 each
Intelligent light-adjustable LED lamp is after the control signal for receiving intelligent controller sending, by the control signal by turning after decoding process
Become 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 group
LED 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 tune
Light, in order to match the structure of current intelligent light-adjustable LED lamp, after connecting intelligent controller with intelligent light-adjustable LED lamp, intelligence
Two 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 answered
It 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 controller
The 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 cost
On, 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 rectification
Circuit, level shifting circuit, unidirectional through-flow circuit, voltage regulator circuit, decoding control circuit, current control module, the first LED module
With 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 and
The second LED module connection, the level shifting circuit are controlled with the voltage regulator circuit and the decoding respectively
Circuit connection, the current control module respectively with the decoding control circuit, first LED module and described
The connection of second LED module, the intelligent light-adjustable LED lamp further includes voltage detecting circuit, the voltage detecting circuit point
It 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 tool
State: taking electricity condition and obtains control signal condition, described when the intelligent light-adjustable LED lamp, which is in, takes electricity condition
Decoding control circuit is exported according to the two-way pwm control signal that the current newest control parameter stored in it generates to the electricity
Flow control module, the current control module generate described the of two-way driving current driving according to two-way pwm control signal
One 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, and
At the time of the voltage of the rectification circuit output is not zero, export as low level；It is provided in the voltage detecting circuit
Voltage threshold, the output voltage of rectification circuit described in the voltage detecting circuit real-time detection, and by the rectified current
The 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 institute
When 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 signal
For 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 circuit
When less than voltage threshold, the state of the voltage detecting circuit output determines that signal is low level, and the intelligence can at this time
Dimming LED lamp, which is in, obtains control signal condition；When the state that the voltage detecting circuit exports determines signal by low level
When jumping to high level, the intelligent light-adjustable LED lamp terminates to obtain control signal condition, described into taking electricity condition
Decoding control circuit is exported according to the two-way pwm control signal that the current newest control parameter stored in it generates to the electricity
Flow control module, the current control module generate described the of two-way driving current driving according to two-way pwm control signal
One LED module and second LED module shine, when the state that the voltage detecting circuit exports determines signal by high electricity
Flat when jumping to low level, the intelligent light-adjustable LED lamp terminates to take electricity condition, controls signal condition into obtaining, at this time
The decoding control circuit no longer exports two-way pwm control signal, but exports two low level signal control electricity
The output of flow control module ends, and at the same time, the decoding control circuit obtains the output of the level shifting circuit
Signal, if the output signal perseverance is low level, the decoding control circuit keeps controlling parameter constant in it, if this is defeated
Occurs high level in signal out, the decoding control circuit receives the encoded signal after the high level, and to the encoded signal
It is decoded to obtain address code and control parameter, determines to decode obtained address code and whether its own address code is consistent, if
Unanimously, then the control parameter stored in its is updated using obtained control parameter, if it is inconsistent, determine encoded signal without
Effect, keeps its current control parameter constant；When the state that the voltage detecting circuit exports determines signal again by low level
When jumping to high level, the intelligent light-adjustable LED lamp terminates to obtain control signal condition, is again introduced into and takes electricity condition, week
And it renews.
The rectification circuit has firewire input terminal, zero curve input, output end and ground terminal, the voltage regulator circuit
With input, output end and ground terminal, the level shifting circuit has anode, input, output end and ground terminal, institute
The decoding control circuit stated has anode, voltage signal inputs, control signal input, the first control terminal, the second control terminal
And ground terminal, the unidirectional through-flow circuit have anode and cathode, conducting when electric current flows to cathode from anode, conversely, then cutting
Only, the current control module has anode, the first control terminal, the second control terminal, the first output end, second output terminal and connects
Ground terminal, first LED module and second LED module are respectively provided with anode and cathode, the voltage detecting electricity
Road has input, output end and ground terminal, and firewire input terminal and zero curve the input termination of the rectification circuit are for connecting
Intelligent controller, positive, described voltage detecting circuit of the output end of the rectification circuit, the unidirectional through-flow circuit
Input terminal connected with the input terminal of the level shifting circuit, the output end of the level shifting circuit and the solution
The control signal input of code control circuit connects, the first control terminal and the current control of the decoding control circuit
First control terminal of module connects, and the second of the second control terminal of the decoding control circuit and the current control module
The voltage signal inputs of control terminal connection, the output end of the voltage detecting circuit and the decoding control circuit connect
It connects, the first output end of the current control module is connected with the cathode of first LED module, the current control
The second output terminal of module is connected with the cathode of second LED module, the cathode of the unidirectional through-flow circuit, described
The input terminal of voltage regulator circuit, the current control module the first positive, described LED module anode and described second
The anode connection of LED module, the output end of the voltage regulator circuit, the anode of the level shifting circuit and the decoding
The anode connection of control circuit, the ground terminal of the rectification circuit, the ground terminal of the voltage detecting circuit, the electricity
The ground terminal of flat conversion circuit, the ground terminal of the decoding control circuit, the ground terminal of the voltage regulator circuit and described
The 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, the
One capacitor and the second capacitor；First chip uses general linear constant current chip, and second chip is using general
The linear voltage stabilizing chip of LDO tri-, have voltage input end, voltage output end and ground terminal, the first diode is steady
Diode is pressed, second diode is rectifier diode, and the first capacitor is electrolytic capacitor, first chip
Output end be the voltage regulator circuit input terminal, the ground terminal of first chip, the first diode it is negative
Pole is connected with the cathode of second diode, and the adjustable side of first chip and one end of the first resistor connect
It connects, the other end of the first resistor, the anode of positive, described first capacitor of second diode and described
The voltage input end of second chip connects, and the voltage output end of second chip is connected with one end of second capacitor
And its connecting pin is the output end of the voltage regulator circuit, positive, described first capacitor of the first diode is born
Pole, second capacitor the other end connected with the ground terminal of second chip and its connecting pin is the described pressure stabilizing electricity
The 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 type
Voltage 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 described
One end of two resistance is the input terminal of the level shifting circuit, the other end of the second resistance, the third electricity
One end of resistance is connected with the base stage of first triode, and one end of the 4th resistance is the level shifting circuit
Anode, the other end of the 4th resistance connected with the collector of first triode and its connecting pin be it is described
The output end of level shifting circuit, the other end of the 3rd resistor is connected with the emitter of first triode and it
Connecting 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 chip
For 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 the
Foot is the voltage signal inputs of the decoding control circuit, and the 4th foot of the third chip is that the decoding controls
First 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 heap
The 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, institute
2nd 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 institute
The ground terminal for the rectification circuit stated.
The unidirectional through-flow circuit includes third diode, and the third diode is rectifier diode, described
The anode of the just extremely described unidirectional through-flow circuit of third diode, the cathode of the third diode are described unidirectional
The cathode of through-flow circuit.
The module that the current control module is designed using the circuit engineering of existing maturation, the current control mould
First control terminal of block is connected with the first control terminal of the decoding control circuit, the second control of the current control module
End processed is connected with the second control terminal of the decoding control circuit, and the first control terminal of the current control module accesses institute
Corresponding 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 stated
Stream, the PWM of the second control terminal output of the second control terminal access of current control module decoding control circuit
Corresponding 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 the
Four diodes are zener diode, and one end of the 5th resistance is the input terminal of the voltage detecting circuit, described
The other end of 5th resistance is connected with the cathode of the 4th diode, positive, described of the 4th diode
One 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 detecting
The 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 galvanization
Road, voltage regulator circuit, decoding control circuit, current control module, the first LED module, the second LED module and voltage detecting circuit structure
At intelligent light-adjustable LED lamp, rectification circuit is respectively with level shifting circuit and unidirectional through-flow circuit connection, and unidirectionally through-flow circuit divides
Do not connect with voltage regulator circuit, current control module, the first LED module and the second LED module, level shifting circuit respectively with pressure stabilizing
Circuit is connected with decoding control circuit, current control module respectively with decoding control circuit, the first LED module and the 2nd LED mould
Block 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 tool
State: 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 electricity
State and acquisition control signal condition, intelligent controller can receive the nothing of external wireless controlling terminal transmission in any state
Line 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 control
When 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, intelligence
Light-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 state
The control signal sent, then send control signal, otherwise keep the current status unchanged；Level shifting circuit exports electricity in rectification circuit
At 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, voltage
It is provided with voltage threshold in detection circuit, the output voltage of voltage detecting circuit real-time detection rectification circuit, and by rectification circuit
Output voltage be compared with threshold voltage after generate state determine signal export to decoding control circuit, when rectification circuit
When 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 time
Energy 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 output
State determine signal be low level, show at this time intelligent light-adjustable LED lamp be in obtain control signal condition；Work as voltage detecting
When the state of circuit output determines that signal jumps to high level by low level, intelligent light-adjustable LED lamp terminates to obtain control signal
State, 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 generates
Signal is exported to current control module, and current control module generates two-way driving current driving the according to two-way pwm control signal
One 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 level
Usually, intelligent light-adjustable LED lamp terminates to take electricity condition, controls signal condition into obtaining, decoding control circuit is no longer defeated at this time
Two-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 circuit
It keeps controlling parameter constant in it, if occurring high level in the output signal, after decoding control circuit receives the high level
Encoded signal, and the encoded signal is decoded to obtain control parameter, its memory is then updated using obtained control parameter
The control parameter of storage；When the state of voltage detecting circuit output determines that signal jumps to high level by low level again, intelligence
Light-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 connect
Enter 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 signal
Enter, 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 logical
Current circuit, voltage regulator circuit, decoding control circuit, current control module, the first LED module and the second LED module, rectification circuit point
Not with level shifting circuit and unidirectional through-flow circuit connection, unidirectional through-flow circuit respectively with voltage regulator circuit, current control module, the
One 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 current
Control module is connect with decoding control circuit, the first LED module and the second LED module respectively, and intelligent light-adjustable LED lamp further includes
Voltage detecting circuit, voltage detecting circuit are connect with rectification circuit and decoding control circuit respectively；Intelligent light-adjustable LED lamp has
Two kinds of working conditions: taking electricity condition and obtains control signal condition, when intelligent light-adjustable LED lamp, which is in, takes electricity condition, decoding
Control circuit exports according to the two-way pwm control signal that the current newest control parameter stored in it generates and gives current control mould
Block, 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 mould
Block shines；Level shifting circuit exports high level at the time of Output Voltage in Rectified Circuits is zero, and in rectification circuit output
At 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 time
The output voltage of rectification circuit is surveyed, and generates state after the output voltage of rectification circuit is compared with threshold voltage and determines letter
Number output is to decoding control circuit, when the output voltage of rectification circuit is more than or equal to voltage threshold, voltage detecting circuit output
State determine signal be high level, show at this time intelligent light-adjustable LED lamp be in take electricity condition, when rectification circuit output electricity
When 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 lamp
Signal condition is controlled in obtaining；When the state of voltage detecting circuit output determines that signal jumps to high level by low level, intelligence
Energy 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 it
The 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 PWM
Signal 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 output
When state determines that signal jumps to low level by high level, intelligent light-adjustable LED lamp terminates to take electricity condition, controls signal into obtaining
State, decoding control circuit no longer exports two-way pwm control signal at this time, but exports two low level signals and control electric current control
The 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 believed
Number perseverance is low level, and decoding control circuit keeps controlling parameter constant in its, if occurring high level in the output signal, decoding
Control 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 parameter
The control parameter stored in it keeps its current control parameter constant if it is inconsistent, determining that encoded signal is invalid；Work as electricity
When 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 obtain
Control 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 circuit
With input, output end and ground terminal, level shifting circuit has anode, input, output end and ground terminal, decoding control
Circuit have anode, voltage signal inputs, control signal input, the first control terminal, the second control terminal and ground terminal, unidirectionally
Through-flow circuit has anode and cathode, and conducting when electric current flows to cathode from anode, conversely, then ending, current control module has
Anode, 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 LED
Module 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 defeated
Enter end and zero curve input termination for connecting intelligent controller, anode, the voltage of the output end of rectification circuit, unidirectional through-flow circuit
The 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 circuit
Control 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 and
The voltage signal inputs of decoding control circuit connect, the first output end of current control module and the cathode of the first LED module
Connection, 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 stabilizing
The 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 stabilizing
The anode connection of the output end of circuit, the anode of level shifting circuit and decoding control circuit, ground terminal, the level of rectification circuit
The 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 module
Connection, the firewire input terminal and zero curve input terminal of rectification circuit are corresponded with two output ends of intelligent controller respectively to be connected
It 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 core
Piece, 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 core
The 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 D1
The 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's
The 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 just
Pole, 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 steady
The 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 embodiment
With 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, third
One 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, the
The 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, third
The 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 embodiment
The 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, the
The 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 circuit
Voltage signal inputs, the 4th foot of third chip U3 is the first control terminal of decoding control circuit, the 3rd of third chip U3 the
Foot 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 embodiment
1st 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-bridge
The 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 rectification
Diode, the anode of the just extremely unidirectional through-flow circuit of third diode D3, the cathode of third diode D3 is unidirectional galvanization
The 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 module
End 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 circuit
Corresponding driving current is exported in its first output end after the pwm control signal of one control terminal output, the of current control module
It 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 exports
Driving current.
As shown in figure 3, voltage detecting circuit includes the 5th resistance R5, the 6th resistance R6, third capacitor C3 in the present embodiment
It 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 circuit
The 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 R6
One 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 C3
It 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 invention
When 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 with
Two output ends of intelligent controller connect one to one, and a reference voltage (usually alternating current is provided in intelligent controller
The 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 over
When 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 controlling
When state, if receiving external wireless control signal or having the also untreated wireless control signal of power supply state, being based on should
Wireless control signal generates corresponding control signal and is sent to intelligent light-adjustable LED lamp, otherwise keeps current output signal constant.When
In intelligent controller when the wireless control signal of processing in need, intelligent control circuit its access mains voltage from big
When jumping to equal to reference voltage less than reference voltage, according to communication protocol preset in it, no-voltage is first exported, then root
Address code and control parameter encoded signal including intelligent light-adjustable LED lamp are generated according to wireless control signal, encoded signal is height
Low level signal sequence, intelligent controller exports non-zero voltage when high level signal, when low level signal, intelligent controller output
No-voltage；Intelligent light-adjustable LED lamp receives the output signal of intelligent controller, and each intelligence light-adjustable LED lamp is whole at this time
Current 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 controller
Conversion 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 to
Preset 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 parameter
Number, otherwise the encoded signal is invalid signals, keeps its current control parameter constant.
Claims (9)
1. a kind of intelligence light-adjustable LED lamp, including rectification circuit, level shifting circuit, unidirectional through-flow circuit, voltage regulator circuit, solution
Code control circuit, current control module, the first LED module and the second LED module, it is characterised in that the rectification circuit difference
With the level shifting circuit and the unidirectional through-flow circuit connection, the unidirectional through-flow circuit respectively with it is described steady
Volt circuit, the current control module, first LED module are connected with second LED module, the level
Conversion circuit is connect with the voltage regulator circuit and the decoding control circuit respectively, the current control module respectively with
The decoding control circuit, first LED module are connected with second LED module, the intelligent tunable optical
LED light further includes voltage detecting circuit, the voltage detecting circuit respectively with the rectification circuit and the decoding control
Circuit connection processed；
There are two types of working conditions for the intelligent light-adjustable LED lamp tool: taking electricity condition and obtains control signal condition, when described
Intelligent light-adjustable LED lamp in when taking electricity condition, join according to the current newest control stored in it by the decoding control circuit
The two-way pwm control signal that number generates is exported to the current control module, and the current control module is according to two-way PWM
It controls signal generation two-way driving current driving first LED module and second LED module shines；The electricity
Flat conversion circuit exports high level at the time of the Output Voltage in Rectified Circuits is zero, and defeated in the rectification circuit
At the time of voltage out is not zero, export as low level；
Voltage threshold, rectified current described in the voltage detecting circuit real-time detection are provided in the voltage detecting circuit
The output voltage on road, and generate state after the output voltage of the rectification circuit is compared with threshold voltage and determine signal
It exports to the decoding control circuit, it is described when the output voltage of the rectification circuit is more than or equal to voltage threshold
The state of voltage detecting circuit output determines that signal is high level, shows that the intelligent light-adjustable LED lamp is at this time and takes electricity
State, when the output voltage of the rectification circuit is less than voltage threshold, the state of the voltage detecting circuit output is sentenced
Determining signal is low level, and the intelligent light-adjustable LED lamp, which is in, at this time obtains control signal condition；
When the state that the voltage detecting circuit exports determines that signal jumps to high level by low level, the intelligence can
Dimming LED lamp terminates to obtain control signal condition, and into electricity condition is taken, the decoding control circuit is worked as according to what is stored in it
The two-way pwm control signal that preceding newest control parameter generates is exported to the current control module, the current control mould
Root tuber generates two-way driving current driving first LED module and second LED module according to two-way pwm control signal
It shines, when the state that the voltage detecting circuit exports determines that signal jumps to low level by high level, the intelligence
Light-adjustable LED lamp terminates to take electricity condition, controls signal condition into obtaining, the decoding control circuit no longer exports two at this time
Road pwm control signal, but the output cut-off of two low level signal control current control modules is exported, it is same with this
When, the decoding control circuit obtains the output signal of the level shifting circuit, if the output signal perseverance is low electricity
Flat, the decoding control circuit keeps controlling parameter constant, if occurring high level in the output signal, the solution in it
Code control circuit receives the encoded signal after the high level, and is decoded to obtain address code and control ginseng to the encoded signal
Number determines to decode obtained address code and whether its own address code is consistent, if unanimously, using obtained control parameter more
The control parameter of Xin Qinei storage keeps its current control parameter constant if it is inconsistent, determining that encoded signal is invalid；When
When the state of the voltage detecting circuit output determines that signal jumps to high level by low level again, the intelligence is adjustable
Light LED light terminates to obtain control signal condition, is again introduced into and takes electricity condition, in cycles.
2. a kind of intelligent light-adjustable LED lamp according to claim 1, it is characterised in that the rectification circuit has firewire
Input terminal, zero curve input, output end and ground terminal, the voltage regulator circuit has input, output end and ground terminal, described
Level shifting circuit there is anode, input, output end and ground terminal, the decoding control circuit has anode, voltage
Signal input part, control signal input, the first control terminal, the second control terminal and ground terminal, the unidirectional through-flow circuit tool
Have anode and cathode, conducting when electric current flows to cathode from anode, conversely, then end, the current control module have anode,
First control terminal, the second control terminal, the first output end, second output terminal and ground terminal, first LED module and described
Second LED module is respectively provided with anode and cathode, and the voltage detecting circuit has input, output end and ground terminal, institute
Firewire input terminal and zero curve the input termination for the rectification circuit stated are for connecting intelligent controller, the output of the rectification circuit
End, the unidirectional through-flow circuit positive, described voltage detecting circuit input terminal and the level shifting circuit
The control signal input of input terminal connection, the output end of the level shifting circuit and the decoding control circuit connects
It connects, the first control terminal of the decoding control circuit is connected with the first control terminal of the current control module, described
Second control terminal of decoding control circuit is connected with the second control terminal of the current control module, the voltage detecting electricity
The output end on road is connected with the voltage signal inputs of the decoding control circuit, and the first of the current control module is defeated
Outlet is connected with the cathode of first LED module, the second output terminal of the current control module and described second
The cathode of LED module connects, the cathode of unidirectional through-flow circuit, the input terminal of the voltage regulator circuit, the electric current
The anode connection of the anode and second LED module of the first positive, described LED module of control module, described is steady
The anode connection of the output end of volt circuit, the anode of the level shifting circuit and the decoding control circuit, it is described
The ground terminal of rectification circuit, the ground terminal of the voltage detecting circuit, the level shifting circuit ground terminal, described
The ground terminal of decoding control circuit, the voltage regulator circuit ground terminal connected with the ground terminal of the current control module.
3. a kind of intelligent light-adjustable LED lamp according to claim 2, it is characterised in that the voltage regulator circuit includes first
Chip, the second chip, first diode, the second diode, first resistor, first capacitor and the second capacitor；First core
Piece uses general linear constant current chip, and second chip uses the general linear voltage stabilizing chip of LDO tri-, has voltage
Input terminal, voltage output end and ground terminal, the first diode are zener diode, and second diode is rectification
Diode, the first capacitor are electrolytic capacitor, and the output end of first chip is the input of the voltage regulator circuit
End, the ground terminal of first chip, the cathode of the first diode are connected with the cathode of second diode,
The adjustable side of first chip is connected with one end of the first resistor, the other end of the first resistor, described
The anode of positive, described first capacitor of the second diode connected with the voltage input end of second chip, it is described
The voltage output end of the second chip connect with one end of second capacitor and its connecting pin is the voltage regulator circuit
Output end, the cathode of positive, described first capacitor of the first diode, the other end of second capacitor and institute
The ground terminal for the second chip stated connects and its connecting pin is the ground terminal of the voltage regulator circuit.
4. a kind of intelligent light-adjustable LED lamp according to claim 2, it is characterised in that the level shifting circuit includes
Second resistance, 3rd resistor, the 4th resistance and the first triode, one end of the second resistance are the level conversion electricity
The input terminal on road, the other end of the second resistance, one end of the 3rd resistor and first triode base
Pole connection, one end of the 4th resistance are the anode of the level shifting circuit, the other end of the 4th resistance
It is connected with the collector of first triode and its connecting pin is the output end of the level shifting circuit, described the
The other end of three resistance is connected with the emitter of first triode and its connecting pin is the level shifting circuit
Ground terminal.
5. a kind of intelligent light-adjustable LED lamp according to claim 2, it is characterised in that the decoding control circuit uses
The third chip of model AI100 realizes that the 1st foot of the third chip is the anode of the decoding control circuit, institute
8th foot of the third chip stated is the ground terminal of the decoding control circuit, and the 5th foot of the third chip is described
The control signal input of decoding control circuit, the 6th foot of the third chip are the voltage of the decoding control circuit
Signal input part, the 4th foot of the third chip are the first control terminal of the decoding control circuit, the third core
3rd foot of piece is the second control terminal of the decoding control circuit.
6. a kind of intelligent light-adjustable LED lamp according to claim 2, it is characterised in that the rectification circuit uses full-bridge
Rectifier bridge stack realizes that the 1st foot of the full bridge rectifier bridge heap is the firewire input terminal of the rectification circuit, the full-bridge
3rd foot of rectifier bridge stack is the zero curve input terminal of the rectification circuit, and the 2nd foot of the full bridge rectifier bridge heap is described
The output end of rectification circuit, the 4th foot of the full bridge rectifier bridge heap are the ground terminal of the rectification circuit.
7. a kind of intelligent light-adjustable LED lamp according to claim 2, it is characterised in that the unidirectional through-flow circuit includes
Third diode, the third diode are rectifier diode, and the just extremely described of the third diode unidirectional is led to
The anode of current circuit, the cathode of the third diode are the cathode of the unidirectional through-flow circuit.
8. a kind of intelligent light-adjustable LED lamp according to claim 2, it is characterised in that the current control module uses
The module of the circuit engineering design of existing maturation, the first control terminal of the current control module and decoding control
First control terminal of circuit connects, and the second of the second control terminal of the current control module and the decoding control circuit
First control terminal of control terminal connection, the first control terminal access of current control module decoding control circuit is defeated
Corresponding driving current, the second control of the current control module are exported in its first output end after pwm control signal out
In the output pair of its second output terminal after the pwm control signal that the second control terminal that system terminates the decoding control circuit exports
The driving current answered.
9. a kind of intelligent light-adjustable LED lamp according to claim 2, it is characterised in that the voltage detecting circuit includes
5th resistance, the 6th resistance, third capacitor and the 4th diode, the 4th diode are zener diode, described the
One end of five resistance is the input terminal of the voltage detecting circuit, the other end and the described the 4th 2 of the 5th resistance
The cathode of pole pipe connects, one end of the 6th positive, described resistance of the 4th diode and the third capacitor
One end connection and its connecting pin are the output end of the voltage detecting circuit, the other end of the third capacitor and described
The other end of 6th resistance connects and its connecting pin is the ground terminal of the voltage detecting circuit.
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| CN201910459921.7A CN110351922B (en) | 2019-05-30 | 2019-05-30 | Intelligent dimmable LED lamp |
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| CN201910459921.7A CN110351922B (en) | 2019-05-30 | 2019-05-30 | Intelligent dimmable LED lamp |
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