CN105764189B - LED illumination System and its illumination control method - Google Patents
LED illumination System and its illumination control method Download PDFInfo
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- CN105764189B CN105764189B CN201610177638.1A CN201610177638A CN105764189B CN 105764189 B CN105764189 B CN 105764189B CN 201610177638 A CN201610177638 A CN 201610177638A CN 105764189 B CN105764189 B CN 105764189B
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- power supply
- pwm signal
- color temperature
- light sources
- led
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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
-
- 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]
- H05B45/20—Controlling the colour of the light
Abstract
The present invention, which provides LED illumination System and its illumination control method, the system, includes one or more LED lamps；Wherein, each LED lamp includes：The different multiple color temperature light sources of colour temperature；Light fixture controls and power supply unit, connects the multiple color temperatures light source, including：Second interface for the first interface of the pwm signal of the outside input that receives the LED lamp and for accessing the power supply outside the LED lamp, wherein, the light fixture control and power supply unit are matched according to the signal parameter of the pwm signal received with preset signals parameter, and realize that colour temperature is adjusted using the color temperature light sources that are associated in advance with the preset signals parameter of matching, and the power drives mode that is associated in advance with the preset signals parameter of the matching is obtained to realize the brightness regulation to used color temperature light sources.
Description
Technical field
Present patent application is related to technical field of LED illumination, more particularly to LED illumination System and its illumination control method.
Background technology
LED (Light Emitting Diode) with its efficiency high, it is photochromic it is pure, energy consumption is low, long lifespan, it is pollution-free the advantages that
As the new type light source of most competitiveness.With the continuous improvement of LED light flux and light efficiency, applications of the LED in lighting field
It is more and more extensive.
In the prior art, control device that can be by many modes to LED colour temperatures, such as can be according to lamp interior
The signal of feedback or outside control lamp power driving control signal corresponding to generation, controls different colours or the light source ratio of colour temperature
Example controls the colour temperature of emergent light.It is outside in traditional control method to believe generally in the light fixture species with colour temperature adjusting function
Number typically it is controlled by multiple signals；Removed in control method new in recent years by the way of alternating current line of force carrier wave
Signal line；The former circuit of both approaches controls complexity more, and the latter is higher to equipment and cost requirement.
The content of the invention
In view of the above the shortcomings that prior art, the purpose of present patent application is to provide LED illumination System and its illumination
Control method, existing multi-way control signals are substituted by the pwm signal of the single channel different parameters of outside, simplify circuit, drop
Low equipment cost.
To realize above-mentioned target and other related objectives, present patent application provides a kind of LED illumination System, including：One or
Multiple LED lamps；Wherein, each LED lamp includes：The different multiple color temperature light sources of colour temperature；Light fixture controls and power supply unit, even
The multiple color temperatures light source is connect, including：For the pwm signal of the outside input that receives the LED lamp first interface and use
In the second interface of power supply of the access outside the LED lamp, wherein, the light fixture control and power supply unit according to
The signal parameter of the pwm signal received is matched with preset signals parameter, and using pre- with the preset signals parameter of matching
The color temperature light sources first associated realize that colour temperature is adjusted, and obtain the power drives associated in advance with the preset signals parameter of the matching
Mode is to realize the brightness regulation to used color temperature light sources.
In one embodiment of the invention, the light fixture control and power supply unit, including：Connected control unit and power supply
Unit.
In one embodiment of the invention, described control unit has the first interface, and said supply unit has institute
State second interface.
In one embodiment of the invention, described control unit has the first interface and second interface, the control
Unit connects said supply unit to form the power supply to the supply access of power supply unit by first line；The control
Unit processed passes through the second connection said supply unit.
In one embodiment of the invention, the preset signals parameter includes：Default PWM signal frequency and the predeterminated frequency
Under at least one dutycycle；Wherein, each colour temperature power supply is associated with a default PWM signal frequency, and the corresponding default PWM
Every kind of preset signals dutycycle under signal frequency is associated with drive signal；The light fixture control and power supply unit are according to being connect
The default PWM signal frequency that the frequency of the present PWM signal of receipts matches realizes colour temperature to select used color temperature light sources
Regulation, and obtained according to the preset signals dutycycle under the identical frequency that the dutycycle with the present PWM signal matches
Corresponding drive signal, and control power supply output to realize the brightness to used color temperature light sources according to acquired drive signal
Regulation.
In one embodiment of the invention, the pwm signal comes from the PWM controller outside LED lamp.
In one embodiment of the invention, the PWM controller is transmitted corresponding each by a pwm signal transmission line
The pwm signal of LED lamp, each LED lamp is by its first interface come connection to the pwm signal transmission line.
In one embodiment of the invention, the power supply transmits power supply signal by an electrical transfer circuit,
Each LED lamp is by its second interface come connection to electrical transfer circuit.
In one embodiment of the invention, the multiple color temperature light sources include：Cold color temperature light sources and warm color temperature light sources.
To realize above-mentioned target and other related objectives, present patent application provides a kind of LED illumination control method, is applied to
Described LED illumination System, methods described include：Pwm signal is inputted to one or more described LED lamps；According to what is received
The signal parameter of pwm signal is matched with preset signals parameter, and uses what is associated in advance with the preset signals parameter of matching
Color temperature light sources realize that colour temperature is adjusted, and obtain the power drives mode associated in advance with the preset signals parameter of the matching with reality
Now to the brightness regulation of used color temperature light sources.
In summary, the present invention, which provides LED illumination System and its illumination control method, the system, includes one or more
LED lamp；Wherein, each LED lamp includes：The different multiple color temperature light sources of colour temperature；Light fixture controls and power supply unit, connects institute
Multiple color temperatures light source is stated, including：For the first interface of the pwm signal of the outside input that receives the LED lamp and for connecing
Enter the second interface of the power supply outside the LED lamp, wherein, the light fixture control and power supply unit are according to being connect
The signal parameter of the pwm signal of receipts is matched with preset signals parameter, and is closed in advance using the preset signals parameter with matching
The color temperature light sources of connection realize that colour temperature is adjusted, and obtain the power drives mode associated in advance with the preset signals parameter of the matching
To realize the brightness regulation to used color temperature light sources.
Brief description of the drawings
Fig. 1 is shown as the structural representation of LED illumination System in the embodiment of present patent application one.
Fig. 2 is shown as the structural representation of light fixture control and power supply unit in the embodiment of present patent application one.
Fig. 3 is shown as the structural representation of light fixture control and power supply unit in the another embodiment of present patent application.
Component label instructions
1 LED lamp
11 color temperature light sources
12 light fixtures control and power supply unit
121,121a control units
122,122a power supply units
2 PWM controllers
3 power supplies
Embodiment
Illustrate the embodiment of present patent application below by way of specific instantiation, those skilled in the art can be by this theory
Content disclosed by bright book understands other advantages and effect of present patent application easily.Present patent application can also be by addition
Different embodiments are embodied or practiced, and the various details in this specification can also be based on different viewpoints with answering
With carrying out various modifications or alterations under the spirit without departing from present patent application.It should be noted that in situation about not conflicting
Under, the feature in embodiment and embodiment in the application can be mutually combined.
The technical scheme of the application is applied in LED illumination System.
As shown in figure 1, present patent application provides provided LED illumination System, including：One or more LED lamps 1.
Each LED lamp 1 includes：Multiple color temperature light sources 11 and light fixture controls and power supply unit 12.
The multiple color temperature light sources 11 may be, for example, double color temperature light sources 11, cold color temperature light sources 11 and warm color temperature light sources 11, its
In, warm colour temperature is, for example, ＜ 3300K (kelvin degree unit) warm (with red white), and cool colour temperature is commonly considered as ＞
5000K cold-type yellow (clear)s (white with indigo plant), also can separately be set, be not limited with the present embodiment certainly；Also, selectable colour temperature
Species can be limited more rather than with the present embodiment, such as simulate the colour temperatures of some Ordinary Light Sources Haves and be：Standard candle is 1930K；Tungsten
Silk lamp is 2760-2900K；Fluorescent lamp is 3000K；Flash lamp is 3800K；Noon sunlight is 5600K；X-flash is
6000K；Blue sky is 12000-18000K.Do not repeat further herein.
The light fixture control and power supply unit 12, connect the multiple color temperatures light source 11, including：For receiving the LED
The first interface of the pwm signal of the outside input of light fixture 1 and the power supply 3 for access outside the LED lamp 1
The second interface of (such as 220V civil powers or other power supplys etc.), wherein, light fixture control and power supply unit 12 are according to being received
The signal parameter of pwm signal matched with preset signals parameter, and using being associated in advance with the preset signals parameter of matching
Color temperature light sources 11 realize that colour temperature is adjusted, and obtain the power drives mode that is associated in advance with the preset signals parameter of the matching
To realize the brightness regulation to used color temperature light sources 11.
As shown in figure 1, wherein, the outside of each LED lamp 1 is provided with a PWM controller 2, and it is passed by a pwm signal
Defeated circuit (bus) transmits the pwm signal of corresponding each LED lamp 1, each LED lamp 1 by its first interface and with signal branch
Road is connected to the pwm signal transmission line.
In addition, the power supply 3 of the outside of LED lamp 1 transmits power supply signal by an electrical transfer circuit
That is electric energy, each LED lamp 1 is by its second interface and power branch come connection to the electrical transfer circuit.
Specifically, in one embodiment of the invention, the preset signals parameter includes：Preset PWM signal frequency and be somebody's turn to do
At least one dutycycle under predeterminated frequency；Wherein, each colour temperature power supply is associated with a default PWM signal frequency, and corresponding institute
The every kind of preset signals dutycycle stated under default PWM signal frequency is associated with drive signal；The light fixture control and power supply unit
12 default PWM signal frequencies to be matched according to the frequency of the present PWM signal with being received select used color temperature light
Source 11 and realize that colour temperature is adjusted, and the default letter under the identical frequency to be matched according to the dutycycle with the present PWM signal
Number dutycycle controls power supply output to realize to used to obtain corresponding drive signal according to acquired drive signal
The brightness regulation of color temperature light sources 11.
That is, some color temperature light in LED lamp can be adjusted according to the different frequency or dutycycle of pwm signal
Source；For example, the dutycycle for presetting the pwm signal of 20KHz frequencies corresponds to the proportionate relationship of LED color temperature light sources 11, set in advance
Determine the brightness of dutycycle corresponding light source 11 under 10KHZ frequencies.Accordingly adjusted, can be adjusted so as to realize according to the actual requirements
Colour temperature and can adjusts brightness.
Preferably, analysis can newly be entered to pwm signal by the decoding circuit in light fixture control and power supply unit 12, to obtain
Corresponding receive is taken to encode (such as binary string code) corresponding to pwm signal current frequency, and the default PWM signal frequency is also
It can be represented with identical coding form, both carry out matching and compared to judge whether unanimously in a coded form.
Further, the light fixture control and power supply unit 12, including：Connected control unit and power supply unit；It please join
Fig. 2 and Fig. 3 is read, shows two kinds of related embodiments.
In one embodiment of the invention, as shown in Fig. 2 described control unit 121 has the first interface, the confession
Electric unit 122 has the second interface；It is that power supply is accessed by power supply unit 122 that is, in the present embodiment
3, and the PWM controller 2 is accessed by described control unit 121, to receive the pwm signal that it is generated.
In another embodiment of the present invention, as shown in figure 3, described control unit 121a has the first interface and
Two interfaces, described control unit 121a connect said supply unit to form the power supply 3 to power supply by first line
The supply access of unit；Described control unit 121a passes through the second connection said supply unit 122a；That is, this reality
Apply in example, control unit 121a had not only accessed power supply 3 but also accessed PWM controller 2, and provided power supply 3 to electric energy and supply
Said supply unit 122a is given, therefore, in this embodiment, described control unit 121a need to integrate the first interface and be adapted to
In the circuit devcie of electric energy transmission, such as need to reach certain resistance, electric capacity, switching device (MOSFET or three for requiring value
Pole pipe) etc..
To realize above-mentioned target and other related objectives, present patent application provides a kind of LED illumination control method, is applied to
Described LED illumination System, methods described include：Pwm signal is inputted to one or more described LED lamps 1；According to what is received
The signal parameter of pwm signal is matched with preset signals parameter, and uses what is associated in advance with the preset signals parameter of matching
Color temperature light sources 11 realize that colour temperature is adjusted, and obtain the power drives mode that associates in advance with the preset signals parameter of the matching with
Realize the brightness regulation to used color temperature light sources 11.
In summary, the present invention, which provides LED illumination System and its illumination control method, the system, includes one or more
LED lamp；Wherein, each LED lamp includes：The different multiple color temperature light sources of colour temperature；Light fixture controls and power supply unit, connects institute
Multiple color temperatures light source is stated, including：For the first interface of the pwm signal of the outside input that receives the LED lamp and for connecing
Enter the second interface of the power supply outside the LED lamp, wherein, the light fixture control and power supply unit are according to being connect
The signal parameter of the pwm signal of receipts is matched with preset signals parameter, and is closed in advance using the preset signals parameter with matching
The color temperature light sources of connection realize that colour temperature is adjusted, and obtain the power drives mode associated in advance with the preset signals parameter of the matching
To realize the brightness regulation to used color temperature light sources.
The principle and its effect of above-described embodiment only illustrative present patent application, not for limitation this patent Shen
Please.Any person skilled in the art can all be carried out under the spirit and scope without prejudice to present patent application to above-described embodiment
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the essence disclosed in present patent application
God and all equivalent modifications completed under technological thought or change, should be covered by the claim of present patent application.
Claims (10)
- A kind of 1. LED illumination System, it is characterised in that including：One or more LED lamps；Wherein, each LED lamp includes：The different multiple color temperature light sources of colour temperature；Light fixture controls and power supply unit, connects the multiple color temperature light sources, including：Outside for receiving the LED lamp is defeated The first interface of the pwm signal entered and the second interface for accessing the power supply outside the LED lamp, wherein, The light fixture control and power supply unit are matched according to the signal parameter of the pwm signal received with preset signals parameter, and The color temperature light sources associated in advance using the preset signals parameter with matching realize that colour temperature is adjusted, and obtain default with the matching The power drives mode that signal parameter associates in advance is to realize the brightness regulation to used color temperature light sources.
- 2. LED illumination System according to claim 1, it is characterised in that the light fixture control and power supply unit, including： Connected control unit and power supply unit.
- 3. LED illumination System according to claim 2, it is characterised in that described control unit has the first interface, Said supply unit has the second interface.
- 4. LED illumination System according to claim 2, it is characterised in that described control unit has the first interface And second interface, described control unit connect said supply unit to form the power supply to list of powering by first line The supply access of member；Described control unit passes through the second connection said supply unit.
- 5. LED illumination System according to claim 1, it is characterised in that the preset signals parameter includes：Default PWM At least one dutycycle under signal frequency and the predeterminated frequency；Wherein, each colour temperature power supply is associated with a default pwm signal frequency Rate, and every kind of preset signals dutycycle under the corresponding default PWM signal frequency is associated with drive signal；The light fixture control And the power supply unit default PWM signal frequency that is matched according to the frequency of the present PWM signal with being received selects to be used Color temperature light sources and realize that colour temperature is adjusted, and under the identical frequency to be matched according to the dutycycle with the present PWM signal Preset signals dutycycle controls power supply output to realize to institute to obtain corresponding drive signal according to acquired drive signal The brightness regulation of the color temperature light sources used.
- 6. LED illumination System according to claim 1, it is characterised in that the pwm signal comes from outside LED lamp PWM controller.
- 7. LED illumination System according to claim 6, it is characterised in that the PWM controller passes through a pwm signal Transmission line corresponds to the pwm signal of each LED lamp to transmit, and each LED lamp is by its first interface come connection to the PWM Signal transmission line.
- 8. LED illumination System according to claim 1, it is characterised in that the power supply passes through an electrical transfer Circuit transmits power supply signal, and each LED lamp is by its second interface come connection to electrical transfer circuit.
- 9. LED illumination System according to claim 2, it is characterised in that the multiple color temperature light sources include：Cold color temperature light Source and warm color temperature light sources.
- 10. a kind of LED illumination control method, it is characterised in that shone applied to LED as claimed in any one of claims 1-9 wherein Bright system, methods described include：Pwm signal is inputted to one or more described LED lamps；Matched according to the signal parameter of the pwm signal received with preset signals parameter, and use the default letter with matching The color temperature light sources that number parameter associates in advance realize that colour temperature is adjusted, and obtain what is associated in advance with the preset signals parameter of the matching Power drives mode is to realize the brightness regulation to used color temperature light sources.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610177638.1A CN105764189B (en) | 2016-03-25 | 2016-03-25 | LED illumination System and its illumination control method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177638.1A CN105764189B (en) | 2016-03-25 | 2016-03-25 | LED illumination System and its illumination control method |
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| CN105764189A CN105764189A (en) | 2016-07-13 |
| CN105764189B true CN105764189B (en) | 2018-01-19 |
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| CN108282930A (en) * | 2018-03-14 | 2018-07-13 | 生迪光电科技股份有限公司 | Light adjusting circuit, lamp assembly, light adjusting system and light-dimming method |
| CN108834262A (en) * | 2018-07-23 | 2018-11-16 | 广州天通智能技术有限公司 | LED colour temperature-color adaptation device and method is realized based on single firewire |
| CN108650751A (en) * | 2018-07-23 | 2018-10-12 | 上海芯鸿电子科技有限公司 | A kind of color LED lamp bead of two lines communication |
| CN112423421B (en) * | 2019-08-19 | 2023-08-15 | 兴讯科技股份有限公司 | Time-controlled LED lighting system capable of being adjusted according to pearlescent electric parameters of lamp |
| CN111542153A (en) * | 2020-05-26 | 2020-08-14 | 深圳爱克莱特科技股份有限公司 | LED lamp, dimming module of LED lamp and dimming method |
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| US7026798B2 (en) * | 2003-10-27 | 2006-04-11 | Intersil Americas Inc. | Multi-channel driver interface circuit for increasing phase count in a multi-phase DC-DC converter |
| CN204598380U (en) * | 2015-04-07 | 2015-08-26 | 浙江嘉乐智能技术有限公司 | A kind of LED colour temperature adjusting device based on single channel PWM |
| CN104797047A (en) * | 2015-04-07 | 2015-07-22 | 浙江嘉乐智能技术有限公司 | LED color temperature adjusting device and method based on single-channel PWM (pulse width modulation) |
| CN104837267B (en) * | 2015-05-12 | 2018-09-18 | 金红涛 | Multichannel light modulating device |
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Effective date of registration: 20190620 Address after: Room 303-65, 333, Huanhu West Road, Nanhui New Town, Pudong New District, Shanghai Co-patentee after: Vision technology (Shanghai) Co., Ltd. Patentee after: Shanghai Sansi Technology Co., Ltd. Co-patentee after: Jiashan Sansi Photoelectric Technology Co., Ltd. Co-patentee after: PUJIANG SANSI PHOTOELECTRIC TECHNOLOGY CO., LTD. Address before: Room 303-65, 333, Huanhu West Road, Nanhui New Town, Pudong New District, Shanghai Co-patentee before: Vision technology (Shanghai) Co., Ltd. Patentee before: Shanghai Sansi Technology Co., Ltd. Co-patentee before: Jiashan Sansi Photoelectric Technology Co., Ltd. |
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Effective date of registration: 20191107 Address after: 200030, room 333, No. 303-65, West Road, Nanhui new town, Pudong New Area, Shanghai, China Co-patentee after: Jiashan Sansi Photoelectric Technology Co., Ltd. Patentee after: Shanghai Sansi Technology Co., Ltd. Co-patentee after: PUJIANG SANSI PHOTOELECTRIC TECHNOLOGY CO., LTD. Address before: 200030, room 333, No. 303-65, West Road, Nanhui new town, Pudong New Area, Shanghai, China Co-patentee before: Sansi Photoelectric Technology (Shanghai) Co., Ltd. Patentee before: Shanghai Sansi Technology Co., Ltd. Co-patentee before: Jiashan Sansi Photoelectric Technology Co., Ltd. Co-patentee before: PUJIANG SANSI PHOTOELECTRIC TECHNOLOGY CO., LTD. |