CN106851904A - The power control method of LED lamp, apparatus and system - Google Patents
The power control method of LED lamp, apparatus and system Download PDFInfo
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- CN106851904A CN106851904A CN201710028089.6A CN201710028089A CN106851904A CN 106851904 A CN106851904 A CN 106851904A CN 201710028089 A CN201710028089 A CN 201710028089A CN 106851904 A CN106851904 A CN 106851904A
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- control signal
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/50—Circuit arrangements for operating light-emitting diodes [LED] responsive to malfunctions or undesirable behaviour of LEDs; responsive to LED life; Protective circuits
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Landscapes
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a kind of power control method of LED lamp, apparatus and system.Wherein, the method includes：The control signal that LED main frames send is received, wherein, control signal is generated by LED main frames according to the working condition of multiple LED lamps, and LED main frames are connected with multiple LED lamps respectively by power bus；LED lamp conversion working condition is driven according to control signal.The present invention solves the less efficient and relatively costly technical problem of power supply that LED lamp of the prior art is present.
Description
Technical field
The present invention relates to field of lighting devices, in particular to a kind of power control method of LED lamp, device and
System.
Background technology
LED lamp is generally required and is driven by an independent LED power, its production cost, installation cost and BOM
(Bill of Material, BOM) cost is of a relatively high.Additionally, LED power is generally Switching Power Supply, Switching Power Supply
Quantity is consistent with the quantity of LED lamp, therefore when assembling or setting multiple LED lamps, it is cumbersome, scattered that LED power has assembling
Hot difficult, wiring is complicated, safeguard is difficult, the defect such as relatively costly, cannot also realize the centralized management to multiple LED powers.Again
Person, the average life of LED power, the average life of LED lamp was in 30000 hours in or so 10000 hours
Left and right, 3 times of average lives of LED power of average life of LED lamp, but, break down when LED power or
During using expiring, by the LED lamp that still can normally use dismounting synchronous with the LED power that cannot be used or can typically replace, from
And cause the service life of LED lamp to be greatly reduced indirectly.To sum up, there is power supply efficiency in LED lamp of the prior art
Relatively low and relatively costly technical problem.
For above-mentioned problem, effective solution is not yet proposed at present.
The content of the invention
A kind of power control method of LED lamp, apparatus and system are the embodiment of the invention provides, it is existing at least to solve
The less efficient and relatively costly technical problem of power supply that LED lamp in technology is present.
One side according to embodiments of the present invention, there is provided a kind of power control method of LED lamp, the method bag
Include：The control signal that LED main frames send is received, wherein, above-mentioned control signal is by above-mentioned LED main frames according to multiple LED lamps
Working condition and generate, above-mentioned LED main frames are connected with above-mentioned multiple LED lamps respectively by power bus；According to above-mentioned control
Signal drives above-mentioned LED lamp conversion working condition.
Further, above-mentioned control signal is switching signal, above-mentioned to drive above-mentioned LED lamp to cut according to above-mentioned control signal
The pattern of changing jobs includes：Above-mentioned LED lamp is driven to be turned on and off in Preset Time according to above-mentioned switching signal, wherein, it is above-mentioned
Duration institute of the Preset Time by above-mentioned LED main frames according to the pulse signal on above-mentioned power bus under varying level state
It is determined that.
Further, above-mentioned control signal is brightness regulated signal, above-mentioned to drive above-mentioned LED according to above-mentioned control signal
Tool switching working mode includes：Circuit is adjusted according to the first preset signals to process above-mentioned brightness regulated signal, obtain arteries and veins
Rush width adjustment signal；Above-mentioned LED lamp conversion brightness is driven according to above-mentioned pulse width adjustment signal.
Further, above-mentioned control signal is light fixture abnormal control signal, above-mentioned above-mentioned according to the driving of above-mentioned control signal
LED lamp switching working mode includes：Above-mentioned LED lamp is driven to be stopped according to above-mentioned light fixture abnormal control signal, wherein,
Above-mentioned light fixture abnormal control signal is by above-mentioned LED main frames according to the electricity to each above-mentioned LED lamp under different brightness states
Measure feature value and default electricity characteristic value are compared and are generated.
Another aspect according to embodiments of the present invention, additionally provides a kind of power control of LED lamp, the device bag
Include：Receiving unit, for receive LED main frames transmission control signal, wherein, above-mentioned control signal by above-mentioned LED main frames according to
The working condition of multiple LED lamps and generate, above-mentioned LED main frames are connected with above-mentioned multiple LED lamps respectively by power bus；
Processing unit, for driving above-mentioned LED lamp conversion working condition according to above-mentioned control signal.
Further, above-mentioned control signal is switching signal, and above-mentioned processing unit includes：First treatment subelement, is used for
Above-mentioned LED lamp is driven to be turned on and off in Preset Time according to above-mentioned switching signal, wherein, above-mentioned Preset Time is by above-mentioned
Duration of the LED main frames according to the pulse signal on above-mentioned power bus under varying level state is determined.
Further, above-mentioned control signal is brightness regulated signal, and above-mentioned processing unit includes：Second processing subelement,
Above-mentioned brightness regulated signal is processed for adjusting circuit according to the first preset signals, obtains pulse width adjustment signal；
3rd treatment subelement, for driving above-mentioned LED lamp conversion brightness according to above-mentioned pulse width adjustment signal.
Further, above-mentioned control signal is light fixture abnormal control signal, and above-mentioned processing unit includes：3rd treatment is single
Unit, for driving above-mentioned LED lamp to be stopped according to above-mentioned light fixture abnormal control signal, wherein, above-mentioned light fixture exception control
Signal is by above-mentioned LED main frames according to the electricity characteristic value to each above-mentioned LED lamp under different brightness states and default electricity
Measure feature value is compared and is generated.
Another aspect according to embodiments of the present invention, and there is provided a kind of power control system of LED lamp, the system bag
Include：Multiple LED lamps；LED main frames, are connected, for according to above-mentioned multiple with above-mentioned multiple LED lamps respectively by power bus
The working condition generation control signal of LED lamp, wherein, above-mentioned control signal is used to drive above-mentioned LED lamp to become the shape that changes jobs
State.
Further, said system also includes：LED slaves, are connected with above-mentioned LED main frames and above-mentioned LED lamp respectively, use
Above-mentioned LED lamp conversion working condition is driven in the above-mentioned control signal of reception and according to above-mentioned control signal.
In embodiments of the present invention, by the way of the control signal that LED main frames send is received, wherein, the control signal
Generated according to the working condition of multiple LED lamps by LED main frames, the LED main frames by power bus respectively with multiple LEDs
Tool connection, has reached and has driven LED lamp to convert the purpose of working condition according to the control signal, it is achieved thereby that improving LED
The power supply efficiency of tool, the centralized management and effective monitoring of realizing light fixture, the technology of the power supply cost for reducing light fixture are imitated
Really, and then the less efficient and relatively costly technical problem of power supply that LED lamp of the prior art is present is solved.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright schematic description and description does not constitute inappropriate limitation of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the schematic flow sheet of the power control method of a kind of optional LED lamp according to embodiments of the present invention；
Fig. 2 is the structural representation of a kind of optional LED main frames according to embodiments of the present invention；
Fig. 3 is the structural representation of the power control of a kind of optional LED lamp according to embodiments of the present invention；
Fig. 4 is the structural representation of the power control system of a kind of optional LED lamp according to embodiments of the present invention；
Fig. 5 is the structural representation of a kind of optional LED slaves according to embodiments of the present invention.
Specific embodiment
In order that those skilled in the art more fully understand the present invention program, below in conjunction with the embodiment of the present invention
Accompanying drawing, is clearly and completely described to the technical scheme in the embodiment of the present invention, it is clear that described embodiment is only
The embodiment of a part of the invention, rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill people
The every other embodiment that member is obtained under the premise of creative work is not made, should all belong to the model of present invention protection
Enclose.
It should be noted that term " first ", " in description and claims of this specification and above-mentioned accompanying drawing
Two " it is etc. for distinguishing similar object, without for describing specific order or precedence.It should be appreciated that so using
Data can exchange in the appropriate case, so as to embodiments of the invention described herein can with except illustrating herein or
Order beyond those of description is implemented.Additionally, term " comprising " and " having " and their any deformation, it is intended that cover
Lid is non-exclusive to be included, for example, the process, method, system, product or the equipment that contain series of steps or unit are not necessarily limited to
Those steps or unit clearly listed, but may include not list clearly or for these processes, method, product
Or other intrinsic steps of equipment or unit.
Embodiment 1
According to embodiments of the present invention, there is provided a kind of embodiment of the power control method of LED lamp, it is necessary to explanation
It is that can be performed in the such as one group computer system of computer executable instructions the step of the flow of accompanying drawing is illustrated,
And, although logical order is shown in flow charts, but in some cases, can be performed with different from order herein
Shown or described step.
Fig. 1 is the schematic flow sheet of the power control method of a kind of optional LED lamp according to embodiments of the present invention, such as
Shown in Fig. 1, the method comprises the following steps：
Step S102, receives the control signal that LED main frames send, wherein, control signal is by LED main frames according to multiple LED
The working condition of light fixture and generate, LED main frames are connected with multiple LED lamps respectively by power bus；
Step S102, LED lamp conversion working condition is driven according to control signal.
In embodiments of the present invention, by the way of the control signal that LED main frames send is received, wherein, the control signal
Generated according to the working condition of multiple LED lamps by LED main frames, the LED main frames by power bus respectively with multiple LEDs
Tool connection, has reached and has driven LED lamp to convert the purpose of working condition according to the control signal, it is achieved thereby that improving LED
The power supply efficiency of tool, the centralized management and effective monitoring of realizing light fixture, the technology of the power supply cost for reducing light fixture are imitated
Really, and then the less efficient and relatively costly technical problem of power supply that LED lamp of the prior art is present is solved.
Alternatively, the technical scheme of the application can realize direct current supply to multiple LED lamps, centrally connected power supply, control,
Light modulation and detection function.Additionally, the LED main frames in the application can realize collection control Based Intelligent Control with BA system dockings, it is adaptable to
Household and building environment.Wherein, BA systems full name building equipment robot control system(RCS) (Building Automation System-
RTU), be centered on a microcomputer, by meeting the network of industrial standard, the region intelligent substation to being distributed in monitoring site
(i.e. DDC) is attached, and by specific end-equipment, realizes the professional building to building electromechanical equipment Centralized Monitoring and management
Automation control system.
Alternatively, the LED main frames in the application can use modularized design, and it mainly processes mould by alternating-current power supply
Block, AC to D/C powers modular converter, bus communication modulation /demodulation module, external communication interface and each module failure detection module
Deng composition.Wherein, the alternating-current power supply processing module includes EMC devices, lightning protection function device, XY electric capacity, EMC filter circuit
Deng.
Alternatively, Fig. 2 is the structural representation of a kind of optional LED main frames according to embodiments of the present invention, such as Fig. 2 institutes
Show, the LED main frames in the application can connect by AD/DC power modules, power supply energy metering module, to external system brightness adjustment control
Mouth, MCU processors, metal-oxide-semiconductor drive module and P-MOS pipes and two series diode compositions.
Alternatively, AC/DC power modules input is 75V-240V exchanges, is output as 12V-48V direct currents.Can be according to load
The power and output voltage of LED power, the size type selecting AC/DC power modules of model.
Alternatively, power supply energy metering module can measure power bus and export to total electricity of LED.MCU treatment
Device exports PWM, and the switch of metal-oxide-semiconductor is controlled by metal-oxide-semiconductor driving.Can be that 0/1-10V is adjusted to external system brightness adjustment control interface
Optical interface, RS485 dimming interfaces, serial interface, KNX dimming interfaces, DALI dimming interfaces, thus by any of the above interface with
Intelligent building BA system dockings.
Alternatively, metal-oxide-semiconductor is metal (metal)-oxide (oxide)-semiconductor (semiconductor) field-effect
Transistor, or it is metal-insulator (insulator)-semiconductor to claim.The source and drain of metal-oxide-semiconductor can be to exchange
, they are the N-type regions formed in p-type backgate.As a rule, this Liang Ge area be it is the same, even if two
The performance for also not interfering with device is exchanged at end.Such device is considered as symmetrical.
Alternatively, control signal is switching signal, is included according to control signal driving LED lamp switching working mode：Root
LED lamp is driven to be turned on and off in Preset Time according to switching signal, wherein, Preset Time is by LED main frames according to power bus
On duration of the pulse signal under varying level state determined.
Specifically, when MOS is closed, direct current is powered by the diode of two series connection to power bus.Work as MOS
Pipe open-type, direct current is powered by MOS to power bus.Because the tube voltage drop of metal-oxide-semiconductor is less than two pipes of the diode of series connection
Pressure drop, modulates the high level voltage of Vin-Vmos pipes on power bus.With Vin-Vd low level voltages.The PWM of MCU outputs
Waveform modulated is in power bus high voltage Vin-Vmos and the pulse signal of low-voltage Vin-Vd.MCU is by adjusting the duty of PWM
Than changing the transformation period of high voltage and low-voltage on power bus.PWM frequency is adjusted in 1K-20K.To sum up, can pass through
The high level of PWM duty cycle is corresponding with the opening and closing time of adjustment metal-oxide-semiconductor with the low level opening time.
Alternatively, control signal is brightness regulated signal, and LED lamp switching working mode bag is driven according to control signal
Include：Circuit is adjusted according to the first preset signals to process brightness regulated signal, obtain pulse width adjustment signal；According to arteries and veins
Rush width adjustment signal and drive LED lamp conversion brightness.
Specifically, can be using signal demodulating circuit by the dim signal solution of the low and high level being loaded on power bus
Recall and meet the PWM dim signals that LED dims needs, so as to convert the brightness of light fixture.
Alternatively, control signal is light fixture abnormal control signal, and LED lamp switching working mode is driven according to control signal
Including：LED lamp is driven to be stopped according to light fixture abnormal control signal, wherein, light fixture abnormal control signal is by LED main frame roots
It is compared and is generated according to the electricity characteristic value and default electricity characteristic value to each LED lamp under different brightness states.
Specifically, when engineering is debugged, MCU is according to measuring electricity characteristic value of the LED under various brightness.In system
Under working condition, can be judged on power bus according to the characteristic value data of the electricity of MCU memory storages and LED luminance
Whether light fixture there is exception.
In embodiments of the present invention, by the way of the control signal that LED main frames send is received, wherein, the control signal
Generated according to the working condition of multiple LED lamps by LED main frames, the LED main frames by power bus respectively with multiple LEDs
Tool connection, has reached and has driven LED lamp to convert the purpose of working condition according to the control signal, it is achieved thereby that improving LED
The power supply efficiency of tool, the centralized management and effective monitoring of realizing light fixture, the technology of the power supply cost for reducing light fixture are imitated
Really, and then the less efficient and relatively costly technical problem of power supply that LED lamp of the prior art is present is solved.
Embodiment 2
Other side according to embodiments of the present invention, additionally provides a kind of power control of LED lamp, such as Fig. 3
Shown, the device includes：Receiving unit 301 and processing unit 303.
Wherein, receiving unit 301, the control signal for receiving the transmission of LED main frames, wherein, control signal is by LED main frames
Working condition according to multiple LED lamps and generate, LED main frames are connected with multiple LED lamps respectively by power bus；Treatment
Unit 303, for driving LED lamp conversion working condition according to control signal.
Alternatively, control signal is switching signal, and processing unit 303 includes：First treatment subelement, for according to switch
Signal drives LED lamp to be turned on and off in Preset Time, wherein, Preset Time is by LED main frames according to the arteries and veins on power bus
Rushing duration of the signal under varying level state is determined.
Alternatively, control signal is brightness regulated signal, and processing unit 303 includes：Second processing subelement, for basis
First preset signals regulation circuit is processed brightness regulated signal, obtains pulse width adjustment signal；3rd treatment is single
Unit, for driving LED lamp conversion brightness according to pulse width adjustment signal.
Alternatively, control signal is light fixture abnormal control signal, and processing unit 303 includes：3rd treatment subelement, is used for
LED lamp is driven to be stopped according to light fixture abnormal control signal, wherein, light fixture abnormal control signal is by LED main frames according to right
Electricity characteristic value and default electricity characteristic value of each LED lamp under different brightness states are compared and are generated.
In embodiments of the present invention, by the way of the control signal that LED main frames send is received, wherein, the control signal
Generated according to the working condition of multiple LED lamps by LED main frames, the LED main frames by power bus respectively with multiple LEDs
Tool connection, has reached and has driven LED lamp to convert the purpose of working condition according to the control signal, it is achieved thereby that improving LED
The power supply efficiency of tool, the centralized management and effective monitoring of realizing light fixture, the technology of the power supply cost for reducing light fixture are imitated
Really, and then the less efficient and relatively costly technical problem of power supply that LED lamp of the prior art is present is solved.
Embodiment 3
Other side according to embodiments of the present invention, and there is provided a kind of power control system of LED lamp, such as Fig. 4
Shown, the system includes：
Multiple LED lamps；LED main frames, are connected, for according to multiple LED with multiple LED lamps respectively by power bus
The working condition generation control signal of light fixture, wherein, control signal is used to drive LED lamp to convert working condition.
Alternatively, the cable number of the power bus can be two, and the power control system can be drawn by LED main frames
Two with cable, and by some LED lamps (or the servicing unit of LED lamp, such as LED referred in the following embodiments of the application
Slave) it is articulated in composition on cable.
Alternatively, Fig. 5 is the structural representation of a kind of optional LED slaves according to embodiments of the present invention, such as Fig. 5 institutes
Show, the system also includes：LED slaves, are connected with LED main frames and LED lamp respectively, for receiving control signal and according to control
Signal drives LED lamp conversion working condition.
Alternatively, as shown in figure 5, the LED slaves can include signal demodulating circuit and LED drive circuit.Wherein, the letter
Number demodulator circuit is made up of R1-R6, D1, U1, C1, specifically, R1=R2=R3=R4=100K ohm, R1, R2 and R3, R4 points
Not Chuan Lian partial pressure input a signal into U1 comparators+,-port, power bus voltage by D1, C1 capacitor filterings, U1-input
It is comparison voltage to hold.Power bus voltage changes by R1, R2 branch pressure voltage between the short voltages of U1-, defeated by comparator U1
Go out end and demodulate PWM waveform.R5, R6 are clamp resistance, and PWM is in certain voltage range.
Alternatively, as shown in figure 5, the LED drive circuit can be made up of C1, Rs, D2, L, U2, wherein, the DIM pins
It is drive circuit PWM light modulation input pins.The lamp bead of LED lamp can connect and access the LED drive circuit.
Alternatively, multiple LED slaves can be communicated with LED main frames, additionally, the LED drive circuit in LED slaves subtracts
Lack the components such as EMC, AC to DC, reduce holistic cost.
In embodiments of the present invention, by the way of the control signal that LED main frames send is received, wherein, the control signal
Generated according to the working condition of multiple LED lamps by LED main frames, the LED main frames by power bus respectively with multiple LEDs
Tool connection, has reached and has driven LED lamp to convert the purpose of working condition according to the control signal, it is achieved thereby that improving LED
The power supply efficiency of tool, the centralized management and effective monitoring of realizing light fixture, the technology of the power supply cost for reducing light fixture are imitated
Really, and then the less efficient and relatively costly technical problem of power supply that LED lamp of the prior art is present is solved.
The embodiments of the present invention are for illustration only, and the quality of embodiment is not represented.
In the above embodiment of the present invention, the description to each embodiment all emphasizes particularly on different fields, and does not have in certain embodiment
The part of detailed description, may refer to the associated description of other embodiment.
In several embodiments provided herein, it should be understood that disclosed technology contents, can be by other
Mode is realized.Wherein, device embodiment described above is only schematical, such as division of described unit, Ke Yiwei
A kind of division of logic function, can there is other dividing mode when actually realizing, such as multiple units or component can combine or
Person is desirably integrated into another system, or some features can be ignored, or does not perform.Another, shown or discussed is mutual
Between coupling or direct-coupling or communication connection can be the INDIRECT COUPLING or communication link of unit or module by some interfaces
Connect, can be electrical or other forms.
The unit that is illustrated as separating component can be or may not be it is physically separate, it is aobvious as unit
The part for showing can be or may not be physical location, you can with positioned at a place, or can also be distributed to multiple
On unit.Some or all of unit therein can be according to the actual needs selected to realize the purpose of this embodiment scheme.
In addition, during each functional unit in each embodiment of the invention can be integrated in a processing unit, it is also possible to
It is that unit is individually physically present, it is also possible to which two or more units are integrated in a unit.Above-mentioned integrated list
Unit can both be realized in the form of hardware, it would however also be possible to employ the form of SFU software functional unit is realized.
If the integrated unit is to realize in the form of SFU software functional unit and as independent production marketing or use
When, can store in a computer read/write memory medium.Based on such understanding, technical scheme is substantially
The part for being contributed to prior art in other words or all or part of the technical scheme can be in the form of software products
Embody, the computer software product is stored in a storage medium, including some instructions are used to so that a computer
Equipment (can be personal computer, server or network equipment etc.) perform each embodiment methods described of the invention whole or
Part steps.And foregoing storage medium includes：USB flash disk, read-only storage (ROM, Read-Only Memory), arbitrary access are deposited
Reservoir (RAM, Random Access Memory), mobile hard disk, magnetic disc or CD etc. are various can be with store program codes
Medium.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, under the premise without departing from the principles of the invention, some improvements and modifications can also be made, these improvements and modifications also should
It is considered as protection scope of the present invention.
Claims (10)
1. a kind of power control method of LED lamp, it is characterised in that including：
The control signal that LED main frames send is received, wherein, the control signal is by the LED main frames according to multiple LED lamps
Working condition and generate, the LED main frames are connected with the multiple LED lamp respectively by power bus；
The LED lamp conversion working condition is driven according to the control signal.
2. method according to claim 1, it is characterised in that the control signal is switching signal, described in the basis
The control signal driving LED lamp switching working mode includes：
The LED lamp is driven to be turned on and off in Preset Time according to the switching signal, wherein, the Preset Time is by institute
Stating duration of the LED main frames according to the pulse signal on the power bus under varying level state is determined.
3. method according to claim 1, it is characterised in that the control signal is brightness regulated signal, the basis
The control signal driving LED lamp switching working mode includes：
Circuit is adjusted according to the first preset signals to process the brightness regulated signal, obtain pulse width adjustment signal；
The LED lamp conversion brightness is driven according to the pulse width adjustment signal.
4. method according to claim 1, it is characterised in that the control signal is light fixture abnormal control signal, described
Included according to the control signal driving LED lamp switching working mode：
The LED lamp is driven to be stopped according to the light fixture abnormal control signal, wherein, the light fixture abnormal control signal
Electricity characteristic value and default electricity by the LED main frames according to LED lamp to each under different brightness states is special
Value indicative is compared and is generated.
5. a kind of power control of LED lamp, it is characterised in that including：
Receiving unit, for receive LED main frames transmission control signal, wherein, the control signal by the LED main frames according to
The working condition of multiple LED lamps and generate, the LED main frames are connected with the multiple LED lamp respectively by power bus；
Processing unit, for driving the LED lamp conversion working condition according to the control signal.
6. device according to claim 5, it is characterised in that the control signal is switching signal, the processing unit
Including：
First treatment subelement, for driving the LED lamp to be turned on and off in Preset Time according to the switching signal, its
In, the Preset Time by the LED main frames according to the pulse signal on the power bus holding under varying level state
The continuous time is determined.
7. device according to claim 5, it is characterised in that the control signal is brightness regulated signal, the treatment
Unit includes：
Second processing subelement, is processed the brightness regulated signal for adjusting circuit according to the first preset signals, is obtained
To pulse width adjustment signal；
3rd treatment subelement, for driving the LED lamp conversion brightness according to the pulse width adjustment signal.
8. device according to claim 5, it is characterised in that the control signal is light fixture abnormal control signal, described
Processing unit includes：
3rd treatment subelement, for driving the LED lamp to be stopped according to the light fixture abnormal control signal, wherein,
Electricity of the light fixture abnormal control signal by the LED main frames according to LED lamp to each under different brightness states
Measure feature value and default electricity characteristic value are compared and are generated.
9. a kind of power control system of LED lamp, it is characterised in that including：
Multiple LED lamps；
LED main frames, are connected, for the work according to the multiple LED lamp with the multiple LED lamp respectively by power bus
Make state generation control signal, wherein, the control signal is used to drive the LED lamp conversion working condition.
10. system according to claim 9, it is characterised in that the system also includes：
LED slaves, are connected with the LED main frames and the LED lamp respectively, for receiving described in the control signal and basis
Control signal drives the LED lamp conversion working condition.
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| CN201710028089.6A CN106851904A (en) | 2017-01-12 | 2017-01-12 | The power control method of LED lamp, apparatus and system |
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| CN2591920Y (en) * | 2002-12-24 | 2003-12-10 | 鲁永忠 | LED scattered illuminating sign lamp intelligent integrated emergency power supply controller |
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| CN102361526A (en) * | 2011-08-11 | 2012-02-22 | 协鑫光电科技（张家港）有限公司 | Illuminating system |
| CN202998557U (en) * | 2012-10-26 | 2013-06-12 | 重庆四联光电科技有限公司 | LED controller |
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