CN106656516A - POE technology based LED lamp brightness control system and method - Google Patents
POE technology based LED lamp brightness control system and method Download PDFInfo
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- CN106656516A CN106656516A CN201611251401.XA CN201611251401A CN106656516A CN 106656516 A CN106656516 A CN 106656516A CN 201611251401 A CN201611251401 A CN 201611251401A CN 106656516 A CN106656516 A CN 106656516A
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- Prior art keywords
- brightness
- led
- poe
- pwm controller
- server
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/02—Details
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
-
- 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
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/175—Controlling the light source by remote control
- H05B47/18—Controlling the light source by remote control via data-bus transmission
-
- 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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
The invention discloses a POE (Power Over Ethernet) technology based LED lamp brightness control system and method. The POE technology based LED lamp brightness control system comprises at least an LED lamp; a PWM controller used for adjusting the brightness of the LED lamp; a brightness sensor used for receiving the brightness and transmitting brightness information; a POE exchanger used for exchanging the brightness information and control information and providing a power source to the brightness sensor, the PWM controller and the LED lamp; and a server used for processing the brightness information, controlling the WPM controller and providing a power source to the POE exchanger. The POE technology based LED lamp brightness control system and method provided by the invention can adjust the brightness of the LED lamp based on the brightness condition of the environment where the LED lamp locates, so that the environment where the lamp is keeps a certain constant brightness state, not only human eyes are protected, but also energy sources are saved; meanwhile, the whole system is in a weak electric environment and has high safety coefficient.
Description
Technical field
The present invention relates to lamp control technical field, more particularly to based on POE technology LED brightness control systems and its method.
Background technology
POE (Power Over Ethernet) refers to not make any in existing Ethernet Cat.5 wirings architecture
In the case of change, for some IP-based terminals (such as IP telephone machine, wireless local network connecting point AP, web camera)
While transmission data signal, moreover it is possible to for the technology that this kind equipment provides direct current supply.POE technologies can guarantee existing structure
Ensure the normal operation of existing network while connecting up safe, to greatest extent reduces cost.
Now LED illumination lamp has become requisite electrical equipment in people's life.But, adopt existing LED illumination lamp more
Realize being turned on and off lamp with the manual mode of control and the mode of acoustic control, i.e., manually the mode of control is by shell fragment
Formula mechanical switch is being turned on and off LED.It is excessively dark and excessively bright all to human eye because the lightness environment that people adapts to is certain limit
Eyeball produces deleterious effect.And, when ambient brightness is slightly dark, opening lantern festival is excessively bright, and not opening can be excessively dark, so waits and opens
Be not do not open nor, cause a how-do-you-do；Meanwhile, control LED is generally high-tension line, exists certain
Potential safety hazard.
The content of the invention
In view of this, the present invention is provided based on POE technology LED brightness control systems and its method, can be according to LED
The brightness case of local environment, to LED brightness regulation is carried out, and makes lamp local environment keep certain permanent luminance state, both may be used
To protect eye, while energy saving, meanwhile, whole system is in light current environment, and safety coefficient is high.
Based on POE technology LED brightness control systems, the system includes：At least one LED；One PWM controller,
For adjusting brightness of LED lamps；One luminance sensor, for receiving brightness and transmission monochrome information；One POE switches, for bright
Degree information and control information are exchanged and provide power supply to the luminance sensor, PWM controller and LED；One service
Device, for monochrome information process and control PWM controller, and provides power supply for POE switches.
Preferably, the POE switches are connected respectively by twisted-pair feeder with luminance sensor, PWM controller and server
Connect.
Preferably, the PWM controller is connected to LED by wire.
Preferably, the luminance sensor physical interconnection LED, luminance sensor is corresponded with LED.
Preferably, the server also wire is connected to AC power.
Based on POE technology LED brightness control methods, it is characterised in that methods described includes：
Luminance sensor detects the light intensity signal of LED local environment；
Luminance sensor transmits the light intensity signal for detecting to POE switches；
POE switches are swapped to light intensity signal, are exchanged to server；
Server receives the light intensity signal Jing after exchanging；
Whether server judges the intensity of brightness of lamp local environment less than default intensity of brightness；
If lamp local environment intensity of brightness is less than default intensity of brightness, server controls PWM controller adjusts LED
The brightness of lamp.
Preferably, if intensity of brightness is less than default intensity of brightness, the server calculates predetermined luminance intensity and lamp
Local environment intensity of brightness difference, according to size of the difference, controls the brightness that PWM controller adjusts LED, and difference is bigger, control
The brighter display of regulation.
Preferably, the server controls PWM controller sends control signals to POE switches, Jing POE for server
After switch is exchanged, control PWM controller carries out brightness regulation to LED.
The invention provides based on POE technology LED brightness control systems and method, can be according to LED local environment
Brightness case, brightness regulation is carried out to LED, make lamp local environment keep certain permanent luminance state, can both protect people
Eyes, while energy saving, meanwhile, whole system is in light current environment, and safety coefficient is high.
Description of the drawings
In order to be illustrated more clearly that embodiment of the present invention technical scheme, below embodiment will be described needed for be used
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, can be with according to these other accompanying drawings of accompanying drawings acquisition.
Fig. 1 is based on the schematic block diagram of POE technology LED brightness control systems embodiment 1；
Fig. 2 is based on the schematic block diagram of POE technology LED brightness control systems embodiment 2；
Fig. 3 is based on POE technology LED brightness control method flow charts.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is a part of embodiment of the invention, rather than the embodiment of whole.Based on this
Embodiment in bright, the every other enforcement that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
It should be appreciated that when using in this specification and in the appended claims, term " including " and "comprising" are indicated
The presence of described feature, entirety, step, operation, element and/or component, but it is not precluded from one or more of the other feature, whole
The presence or addition of body, step, operation, element, component and/or its set.
It will be further appreciated that, the term "and/or" used in description of the invention and appended claims is
Refer to any combinations of one or more in the associated item listed and be possible to combination, and including these combinations.
Fig. 1 is refer to, Fig. 1 is based on the schematic block diagram of POE technology LED brightness control systems embodiment 1；System 100 is wrapped
Include：LED 12, PWM controller 13, luminance sensor 15, POE switches 11 and server 14, LED 12 at least one,
Luminance sensor 15 is used to detect the brightness case of the local environment of LED 12 and transmission monochrome information, luminance sensor 15 and LED
Lamp 12 be physical interconnection together, you can with by luminance sensor 15 be arranged on LED 12 outside, with LED formed one it is whole
The luminance sensor of body, i.e., one 15 controls one or a string of LEDs 12.POE switches 11 are the friendships based on POE technologies
Change planes, exchange and to the luminance sensor 15, POE (Power Over for monochrome information and control information
Ethernet) refer in the case where existing Ethernet Cat.5 wirings architecture does not make any changes, for some bases
While terminal (such as IP telephone machine, wireless local network connecting point AP, web camera) the transmission data signal of IP, moreover it is possible to
For the technology that this kind equipment provides direct current supply.PWM controller 13, pulsewidth modulation (PWM) refers to digital defeated with microprocessor
Out analog circuit is controlled, is a kind of digitally coded method to be carried out to analog signal level.Control in a digital manner
Analog circuit, can be greatly lowered the cost and power consumption of system.PWM control principles are that waveform is divided into into 6 equal portions, can be by 6
Square wave equivalent substitution.The sorting technique of pulsewidth modulation has various, such as unipolarity and bipolarity, synchronous mode and asynchronous system, square wave
Modulation and sine wave modulation etc..Single-polarity PWM control methods refer in half period intercarrier only in a direction transformation, gained PWM
Waveform also only in a direction change, and double-pole PWM control method in half period intercarrier in two changes of direction, gained
PWM waveform is also in two changes of direction.Whether keep synchronous with modulated signal according to carrier signal, PWM controls can be divided into same again
Step system and asynchronous modulation.It is wide that the characteristics of square wave pulsewidth modulation is output pulse width row, can only control certain number of times
Harmonic wave；It is not wide that the characteristics of Sine Wave Pulse Width Modulation is output pulse width row, and width is changed by sinusoidal rule, and output waveform connects
Nearly sine wave.In the square wave of certain frequency, by adjusting high level and low level dutycycle, you can realize LED 12
Brilliance control.Server 14 is used for monochrome information and processes and control PWM controller 13, and provides power supply for POE switches 11.
Luminance sensor 15 is connected by twisted-pair feeder with POE switches 11, and POE switches 11 are by twisted-pair feeder to brightness
Sensor 15 is powered, and the lamp local environment intensity of brightness information of detection is reached and handed over to POE by luminance sensor 15 by twisted-pair feeder
11, POE switches 11 of changing planes exchange lamp local environment intensity of brightness information to the service with the twisted pair line connection of POE switches 11
Device 14, server 14 is powered to POE switches 11, and the lamp local environment intensity of brightness information of 14 pairs of receptions of server is sentenced
It is disconnected, whether lamp local environment intensity of brightness is judged less than default intensity of brightness, if being less than default intensity of brightness,
Server 14 calculates the difference of ambient brightness intensity and default intensity of brightness, sends the control signal of correspondence difference extremely
POE switches 11, control signal is exchanged to the PWM controller 13 with the twisted pair line connection of POE switches 11, to PWM controller
13 are controlled, and control PWM controller 13 carries out the height that brightness regulation, i.e. server 14 control PWM controller 13 to LED 12
Level and low level dutycycle, realize the brilliance control of LED 12, and dutycycle refers to that high level is shared within a cycle
Time ratio, the dutycycle of square wave is 50%, and dutycycle is 0.5, and the time shared by positive level that illustrates is 0.5 cycle；If high
In default intensity of brightness, then need not turn on light, continue the intensity of brightness for detecting the local environment of LED 12.PWM controller 13 with
LED 12 is electrically connected with by wire, and PWM controller 13 and LED 12 are powered by POE switches 11.
Fig. 2 is refer to, Fig. 2 is based on the schematic block diagram of POE technology LED brightness control systems embodiment 2；In embodiment
On the basis of, AC power 26 is connected to outside server 24, AC power provides power supply to whole system 200.
Fig. 3 is refer to, Fig. 3 is based on POE technology LED brightness control method flow charts.It is bright based on POE technology LEDs
Degree control method, method includes：
S31, luminance sensor detects the light intensity signal of LED local environment.Luminance sensor detects associated
The intensity of brightness of corresponding LED local environment, intensity of brightness is light intensity, and its intensity size can be represented with lumen.
S32, luminance sensor transmits the light intensity signal for detecting to POE switches.Luminance sensor will be measured
LED be located ambient brightness strength signal by Double-strand transmission to POE switches.
S33, POE switch is swapped to light intensity signal, is exchanged to server.POE switches receive brightness and pass
The light intensity signal that sensor is transmitted, light intensity signal is exchanged to server, completes the exchange of information.
S34, server receives the light intensity signal Jing after exchanging.Server next brightness exchanged to POE switches is strong
Degree signal is received.
Whether S35, server judges the intensity of brightness of lamp local environment less than default intensity of brightness.Server is docked
The intensity of brightness of the lamp local environment of receipts is judged whether the intensity of brightness of lamp local environment is low with the intensity of brightness for presetting
In default intensity of brightness, if above default intensity of brightness, then explanation need not turn on lamp, and need not control the bright of lamp
Degree, luminance sensor continues to the intensity of brightness of LED local environment；If being less than default intensity of brightness, illustrate to need
Brightness regulation is carried out to lamp.Default intensity of brightness can be set according to actual conditions.
S36, server calculates predetermined luminance intensity and lamp local environment intensity of brightness difference.When the brightness of local environment
Less than the intensity of brightness for presetting, then server calculates predetermined luminance intensity to intensity and the intensity of brightness of LED local environment is poor
Value, for example：Default intensity of brightness is 5 lumens, and monitor for 3 lumens, then difference is 2 lumens.
S37, according to size of the difference, server sends corresponding brightness control signal to POE switches.According to the difference for calculating
Value, sends control signal, and such as difference is 2 lumens, then the control signal for sending is adjusted for control PWM controller to LED brightness
Save the signal of 2 lumens.
S38, Jing after POE switches are exchanged, control PWM controller is to LED brightness regulation.Control signal Jing POE is exchanged
To PWM controller after machine exchange, the high level and low level dutycycle of control signal control PWM controller realize that LED is bright
Degree control, makes LED local environment keep a permanent brightness.
In several embodiments provided herein, it should be understood that disclosed method, only schematically,
Can realize by another way.
The step of method of the embodiment of the present invention, sequentially can according to actual needs be adjusted, merges or delete.This
The module and/or unit of the terminal of bright embodiment can be integrated according to actual needs, Further Division or delete.
The module and/or unit of the embodiment of the present invention, can with universal integrated circuit (such as central processor CPU), or with
Special IC (ASIC) is realizing.
In several embodiments provided herein, it should be understood that disclosed terminal and method can pass through other
Mode realize.For example, device embodiment described above is only schematic, for example, the division of the unit, and only
For a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can be combined
Or another system is desirably integrated into, or some features can be ignored, or do not perform.Another, shown or discussed phase
Coupling or direct-coupling or communication connection between mutually can be the INDIRECT COUPLING by some communication interfaces, device or unit or
Communication connection, can be electrical, mechanical or other forms.
The unit as separating component explanation 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 mixed-media network modules mixed-media.Some or all of unit therein can according to the actual needs be selected to realize the mesh of this embodiment scheme
's.
In addition, each functional unit in each embodiment of the invention can be integrated in a processing module, 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 module.
Step in present invention method can according to actual needs carry out order adjustment, merge and delete.
Unit in embodiment of the present invention terminal can according to actual needs be merged, divides and deleted.
If the function is realized and as independent production marketing or when using using in the form of software function module, can be with
In being stored in a terminal read/write memory medium.Based on such understanding, technical scheme is substantially right in other words
The part or the part of the technical scheme that prior art contributes can be embodied in the form of software product, the software
Product is stored in a storage medium, including some instructions are used so that a station terminal (can be mobile phone, I PAD etc.) is performed
The all or part of step of each embodiment methods described of the invention.And aforesaid storage medium includes：USB flash disk, portable hard drive, only
Read memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc
Or CD etc. is various can be with the medium of store program codes.
Those skilled in the art can be understood that, for convenience and simplicity of description, the system of foregoing description
With the specific work process of unit, the corresponding process in preceding method embodiment is may be referred to, be will not be described here.
Claims (8)
1. POE technology LED brightness control systems are based on, it is characterised in that the system includes：At least one LED；One
PWM controller, for adjusting brightness of LED lamps；One luminance sensor, for detecting brightness and transmission monochrome information；One POE is exchanged
Machine, exchanges for monochrome information and control information and provides electricity to the luminance sensor, PWM controller and LED
Source；One server, for monochrome information process and control PWM controller, and provides power supply for POE switches.
2. brightness control system according to claim 1, it is characterised in that：The POE switches are distinguished by twisted-pair feeder
It is connected with luminance sensor, PWM controller and server.
3. brightness control system according to claim 1, it is characterised in that：The PWM controller is connected to by wire
LED.
4. brightness control system according to claim 1, it is characterised in that：The luminance sensor physical interconnection LED,
Luminance sensor is corresponded with LED.
5. brightness control system according to claim 1, it is characterised in that：The server also wire is connected to alternating current
Source.
6. POE technology LED brightness control methods are based on, it is characterised in that methods described includes：
Luminance sensor detects the light intensity signal of LED local environment；
Luminance sensor transmits the light intensity signal for detecting to POE switches；
POE switches are swapped to light intensity signal, are exchanged to server；
Server receives the light intensity signal Jing after exchanging；
Whether server judges the intensity of brightness of lamp local environment less than default intensity of brightness；
If lamp local environment intensity of brightness is less than default intensity of brightness, server controls PWM controller adjusts LED
Brightness.
7. brightness control method according to claim 6, it is characterised in that：If intensity of brightness is strong less than default brightness
Degree, the server calculates predetermined luminance intensity and lamp local environment intensity of brightness difference, according to size of the difference, controls PWM
Controller adjusts the brightness of LED, and difference is bigger, the brighter display of control and regulation.
8. brightness control method according to claim 6, it is characterised in that：The server controls PWM controller is clothes
Business device sends control signals to POE switches, and Jing after POE switches are exchanged, control PWM controller carries out brightness to LED
Adjust.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251401.XA CN106656516A (en) | 2016-12-29 | 2016-12-29 | POE technology based LED lamp brightness control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251401.XA CN106656516A (en) | 2016-12-29 | 2016-12-29 | POE technology based LED lamp brightness control system and method |
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| Publication Number | Publication Date |
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| CN106656516A true CN106656516A (en) | 2017-05-10 |
Family
ID=58837065
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611251401.XA Pending CN106656516A (en) | 2016-12-29 | 2016-12-29 | POE technology based LED lamp brightness control system and method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107703730A (en) * | 2017-11-11 | 2018-02-16 | 深圳跨视界智能科技有限公司 | A kind of intelligent watch |
| CN109287027A (en) * | 2018-08-31 | 2019-01-29 | 嘉善中佳电路板有限公司 | A kind of control method and control device of electroacoustic component |
| CN113329550A (en) * | 2020-02-28 | 2021-08-31 | 漳州立达信光电子科技有限公司 | Method and device for controlling illumination of real-time environment of lamp, terminal equipment and medium |
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| CN103843287A (en) * | 2011-10-06 | 2014-06-04 | 皇家飞利浦有限公司 | Electrical lighting system power control |
| WO2016050536A2 (en) * | 2014-09-29 | 2016-04-07 | Philips Lighting Holding B.V. | Systems and methods for managing environmental conditions |
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| CN102918798A (en) * | 2010-06-04 | 2013-02-06 | 皇家飞利浦电子股份有限公司 | Cascaded power-over-ethernet system |
| CN103843287A (en) * | 2011-10-06 | 2014-06-04 | 皇家飞利浦有限公司 | Electrical lighting system power control |
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| CN107703730A (en) * | 2017-11-11 | 2018-02-16 | 深圳跨视界智能科技有限公司 | A kind of intelligent watch |
| CN109287027A (en) * | 2018-08-31 | 2019-01-29 | 嘉善中佳电路板有限公司 | A kind of control method and control device of electroacoustic component |
| CN113329550A (en) * | 2020-02-28 | 2021-08-31 | 漳州立达信光电子科技有限公司 | Method and device for controlling illumination of real-time environment of lamp, terminal equipment and medium |
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Application publication date: 20170510 |