WO2011160381A1 - 光源控制方法、装置及系统 - Google Patents

光源控制方法、装置及系统 Download PDF

Info

Publication number
WO2011160381A1
WO2011160381A1 PCT/CN2010/078686 CN2010078686W WO2011160381A1 WO 2011160381 A1 WO2011160381 A1 WO 2011160381A1 CN 2010078686 W CN2010078686 W CN 2010078686W WO 2011160381 A1 WO2011160381 A1 WO 2011160381A1
Authority
WO
WIPO (PCT)
Prior art keywords
dimming
chopping
item
phase angle
light source
Prior art date
Application number
PCT/CN2010/078686
Other languages
English (en)
French (fr)
Inventor
葛良安
姚晓莉
华桂潮
任丽君
Original Assignee
英飞特电子（杭州）有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 英飞特电子（杭州）有限公司 filed Critical 英飞特电子（杭州）有限公司
Priority to US13/806,413 priority Critical patent/US20130093348A1/en
Publication of WO2011160381A1 publication Critical patent/WO2011160381A1/zh

Links

Classifications

    • 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
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/08—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters
    • H02M1/081—Circuits specially adapted for the generation of control voltages for semiconductor devices incorporated in static converters wherein the phase of the control voltage is adjustable with reference to the AC 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
    • H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
    • H05B45/20—Controlling the colour 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]
    • H05B45/30—Driver circuits
    • H05B45/37—Converter circuits
    • H05B45/3725—Switched mode power supply [SMPS]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M5/00—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases
    • H02M5/02—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc
    • H02M5/04—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters
    • H02M5/22—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M5/275—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal
    • H02M5/293—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M5/2932—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage, current or power
    • H02M5/2937—Conversion of ac power input into ac power output, e.g. for change of voltage, for change of frequency, for change of number of phases without intermediate conversion into dc by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage, current or power using whole cycle control, i.e. switching an integer number of whole or half cycles of the AC input voltage
    • 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]

Definitions

  • the present invention relates to the field of control, and in particular, to a method, device and system for controlling a light source.
  • the circuit realization structure of a light source regulator includes a bidirectional trigger diode D1 as an adjustment switch and an adjustable resistor R1 and a first capacitor.
  • the working principle of the light source regulator is: when the bidirectional trigger diode D1 is in the on state, the output voltage VI of the light source regulator is the AC power supply voltage; when the bidirectional trigger diode D1 is turned off, the output voltage of the light source regulator VI It is zero voltage; the first capacitor C1 is charged by the adjustable resistor R1, and when the voltage on the first capacitor C1 rises to the turn-on voltage of the bidirectional trigger diode D1, the bidirectional trigger diode D1 is triggered to be turned on.
  • the change of the resistance value of the adjustable resistor R1 causes a change in the charging time of the first capacitor C1, and the change of the charging time causes a change in the conduction angle of the bidirectional trigger diode D1, which is reflected on the output voltage VI of the light source regulator.
  • a chopping voltage such as a leading edge chopper voltage as shown in FIG. The chopping voltage is output to a subsequent driver for driving the light source to adjust the brightness of the light source through the driver.
  • the brightness adjustment of the light source can only be performed by hardware, and other adjustment functions such as color change of the light source in the color illumination system cannot be realized at the same time.
  • the technical problem to be solved by the present invention is to provide a light source control method and system capable of realizing an adjustment function for color and/or brightness of a light source.
  • the embodiment of the invention provides a light source control method, including:
  • Receiving a dimming instruction determining a dimming item indicated by the dimming instruction; Determining a chopping type and/or a chopping phase angle range corresponding to the dimming item according to the dimming item; controlling the adjustment switch according to the chopping type and/or the chopping phase angle range, to output the chopping voltage Electrical energy.
  • the determining the chop type and/or the chopping phase angle range corresponding to the dimming item according to the dimming item includes:
  • a chop type and/or a chopping phase angle range corresponding to the dimming item is searched for from the correspondence relationship according to the dimming item.
  • the controlling the adjustment switch according to the chop type and/or the chopping phase angle range comprises: determining a phase angle control strategy of the adjustment switch according to the chop type and/or the chopping phase angle range; according to the phase angle control strategy Adjust the switch for control.
  • the controlling the adjustment switch comprises: chopping the adjustment switch in the mT within an NT time after receiving the dimming command; mT ⁇ NT, m is a preset constant, T is an AC power cycle, NT is The time interval between the received dimming command and the next time the dimming command is received; or, the NT is a preset chopping control period.
  • the method further includes controlling the adjustment switch to be in an on state in a time other than the mT within an NT time after receiving the dimming command.
  • the dimming items include: adjustments to color and/or brightness, and/or degrees of brightness adjustment.
  • An embodiment of the present invention provides another method for controlling a light source, including:
  • Receiving electrical energy including a chopping voltage, detecting a chopping type and/or a chopping phase angle range of the chopping voltage;
  • the light source is controlled according to the dimming item.
  • the controlling the light source according to the dimming item includes:
  • a corresponding current output is generated to the light source to control the light source to indicate the dimming item.
  • the dimming items include: adjustments to color and/or brightness, and/or degrees of brightness adjustment.
  • the embodiment of the invention further provides a light source control device, comprising:
  • a first receiving unit configured to receive a dimming command, and determine a dimming item indicated by the dimming instruction
  • a first determining unit configured to determine, according to the dimming item, a chop type corresponding to the dimming item and/or Wave phase angle range
  • a first control unit configured to control the adjustment switch according to the chop type and/or the chopping phase angle range to output the electric energy including the chopping voltage.
  • the first determining unit includes:
  • a relationship storage subunit configured to store a correspondence between a preset chop type and/or a chopping phase angle range and a dimming item
  • the first control unit includes:
  • a first determining subunit configured to determine a phase angle control strategy of the adjustment switch according to a chop type and/or a chopping phase angle range
  • control subunit configured to control the adjustment switch according to the phase angle control strategy.
  • the first control unit is specifically configured to: perform chopping control on the adjustment switch in the mT within an NT time after receiving the dimming command; mT ⁇ NT, m is a preset constant, T is an AC power cycle, NT is the current The time interval between the received dimming command and the next time the dimming command is received; or, the NT is a preset chopping control period.
  • the first control unit is also used to:
  • the control adjustment switch is in an on state during the time other than the mT in the NT time after receiving the dimming command.
  • the dimming items include: adjustments to color and/or brightness, and/or degrees of brightness adjustment.
  • the embodiment of the invention further provides a light source control device, comprising:
  • a second receiving unit configured to receive the electric energy including the chopping voltage, and detect a chopping type and/or a chopping phase angle range of the chopping voltage
  • the second control unit includes:
  • a second determining subunit configured to determine an output current according to the dimming item
  • a subunit is generated for generating a corresponding current output to the light source for performing control of the dimming item indication of the light source.
  • the dimming items include: adjustments to color and/or brightness, and/or degrees of brightness adjustment.
  • the embodiment of the invention further provides a light source control system, comprising:
  • a light source adjuster configured to receive a dimming command, determine a dimming item indicated by the dimming command; determine a chop type and/or a chopping phase angle range corresponding to the dimming item according to the dimming item; The chopping type and/or the chopping phase angle range controls the regulating switch to output electrical energy including the chopping voltage;
  • a driver for receiving electrical energy including a chopping voltage, detecting a chopping type and/or a chopping phase angle range of the chopping voltage; determining a dimming item according to the chopping type and/or the chopping phase angle range; The light source is controlled according to the dimming item.
  • the electrical energy output by the device includes a chopping voltage through which an indication of a dimming item is made to the driver for the driver to control the color and/or brightness of the dimming item indicated by the light source.
  • FIG. 1 is a circuit implementation diagram of a prior art light source adjuster
  • Figure la is a waveform diagram of a prior art leading edge chopping voltage
  • FIG. 2 is a schematic flow chart of a light source control method according to an embodiment of the present invention.
  • FIG. 3 is a schematic flow chart of another method for controlling a light source according to an embodiment of the present invention.
  • 3a to 3d are diagrams showing an example of chopping generated by a light source adjuster according to an embodiment of the present invention.
  • FIG. 4 is a schematic flow chart of a third method for controlling a light source according to an embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of a light source control apparatus according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of another light source control device according to an embodiment of the present invention.
  • FIG. 2 is a schematic flow chart of a light source control method according to an embodiment of the present invention.
  • the light source control method is applicable to a light source adjuster, and controls an adjustment switch in the light source adjuster, as shown in FIG. 2, including: Step 201: Receiving a tone a light command, determining a dimming item specified by the dimming instruction;
  • Step 202 Determine, according to the dimming item, a chop type and/or a chopping phase angle range corresponding to the dimming item;
  • Step 203 Control the adjustment switch according to the determined chop type and/or the chopping phase angle range to output a voltage including the chopping voltage.
  • the corresponding chopping type and/or chopping phase angle range is determined according to the dimming item specified by the dimming command, and further according to the chopping type and/or the chopping phase angle range.
  • the adjustment switch is controlled such that a chopping voltage is included in the electrical energy output by the light source regulator, and an indication of the dimming item is made to the driver by the chopping voltage, so that the driver controls the dimming item indication of the light source.
  • the light source control method of the embodiment of the present invention will be described in more detail by means of Fig. 3. As shown in Figure 3, the method includes:
  • Step 301 Receive a dimming command, and determine a dimming item specified in the dimming command.
  • the light source may be an incandescent lamp set, an LED set, or the like; the dimming item may include: brightness adjustment, or color adjustment, or brightness and color adjustment, etc., and the color may be different. The colors are distinguished, and the brightness can be set to different brightness levels and the like.
  • the dimming command may be a digital command, and the digital command may be converted by an analog command, or may be input by a user through a human-machine interface such as a keyboard or a touch screen, or may be a preset internal command.
  • the dimming command can be directly generated according to the light source identification and the identification of the dimming item.
  • the identifier of the primary brightness is 11, the identifier of the secondary brightness is 12, the identifier of the red is 21, and the identifier of the blue is 22.
  • the dimming command can be identified by two-dimensional means such as (color, brightness). Of course, in practical applications, if only color or brightness adjustment is performed, the dimming command is Unspecified items can be defaulted, or they can be implemented in one-dimensional representations such as (brightness) (color), and are not described here.
  • Step 302 Determine a chop type and/or a chopping phase angle range corresponding to the dimming item according to the dimming item.
  • the correspondence between the different dimming items and the different chopping type and/or the chopping phase angle range may be preset, so that the corresponding relationship is found according to the dimming item in this step, including: Front edge chopping, trailing edge chopping, leading edge + trailing edge chopping, etc.; the phase angle range may be 0° ⁇ 180°.
  • the dimming item can be distinguished by the chop type, at this time,
  • the correspondence between the chop type and the dimming item can be preset, for example, the adjustment color corresponds to the leading edge chopping, and the dimming item for adjusting the brightness corresponds to the trailing edge chopping.
  • Different dimming items can be distinguished by different chopping phase angle ranges.
  • the correspondence between the chopping phase angle range and the dimming item can be preset, for example, a preset dimming command for adjusting the color.
  • the dimming command for adjusting the brightness corresponds to the chopping phase angle range (50°, 80°), and further Preset different chopping phase angle ranges corresponding to different brightness; or, adjust the color dimming command corresponding to the chopping phase angle (120°, 150°), different chopping phase angle ranges corresponding to different colors, adjusting brightness
  • the dimming command corresponds to the phase angle (80°, 110°), the different chopping phase angle ranges correspond to different brightness, and so on.
  • Different dimming items can be distinguished by different chopping types and chopping phase angle ranges.
  • the correspondence between different chopping types and chopping phase angle ranges and different dimming items will be preset. Relationships, for example, set the chopping type and chopping phase angle range corresponding to the adjustment brightness: leading edge chopping (10°, 40.) and trailing edge chopping (120., 150.), etc., here No longer.
  • the chopping phase angle range may also be a specific chopping phase angle, so that different dimming items may be distinguished by different chopping phase angles and chopping phase angle ranges, etc. Narration.
  • the chopping wave in Figure 3a is the leading-edge chopping of the fixed chopping phase angle
  • the chopping in Figure 3b is the leading-edge chopping + trailing-edge chopping of the fixed chopping phase angle
  • the chopping in 3c is the phase angle
  • the leading edge chopping varies within a certain phase angle range; the above different chopping implementations can represent different dimming items in order to transmit and indicate the dimming command to the driver.
  • Step 303 Determine the phase angle control strategy of the adjustment switch according to the chop type and/or the chopping phase angle range.
  • the phase angle control strategy may include: adjusting an on-time T1 and/or an off-time T2 of the switch during a half AC power cycle, and an execution sequence of turning on and off in each half of the AC power cycle. , where ⁇ 1 ⁇ ( ⁇ /2 ), ⁇ 2 ⁇ ( ⁇ /2 ). Adjusting the on-time or off-time of the switch may be in a predetermined functional relationship or a predetermined correspondence relationship with the chopping type and/or the chopping phase angle range, and the turning on and off The order of execution is related to the chop type.
  • step 302 If the dimming command in step 302 only corresponds to the chopping type, then the phase angle control strategy is determined only in accordance with the chop type in this step.
  • the execution sequence of the on and off it can be determined according to the chopping type. For example, if the chopping type is leading edge chopping, then each time the AC power supply crosses zero, it is necessary to first control the adjustment switch to be turned off, and then control. The adjustment switch is turned on until the next AC power supply zero-crossing, thereby achieving leading-edge chopping. Therefore, the execution sequence is: first turn off and then turn on; chop type is trailing edge chop, then each AC power supply After zero-crossing, it is necessary to first control the conduction switch to be turned on, and then control the adjustment switch to turn off until the next AC power supply zero-crossing, to achieve the trailing edge chopping. Therefore, the execution sequence is: first turn-on and then turn off.
  • the correspondence between each chop type and the on-time and/or the off-time can be set autonomously in advance. In this step, the correspondence is directly searched according to the chop type. , the on-time and/or off-time can be determined.
  • the corresponding relationship may be: In each half of the AC power supply cycle, the turn-off time of the front-end chopping-related adjustment switch is t1, tl ⁇ (T/2), and the on-time is (T/2) - The conduction time of the adjustment switch corresponding to tl and the trailing edge chopping is t2, t2 ⁇ (T/2), and the off time is (T/2) - t2.
  • the on-time and off-time (T/2) for the on and off times of a certain adjustment switch in each half of the AC power supply cycle, in practical applications, it is also possible to pre- Set the on time or off time, which is not limited here.
  • step 302 If the dimming command corresponds to the chopping type and the chopping phase angle range in step 302, the phase angle control strategy is determined according to the chopping type and the chopping phase angle range in this step.
  • the order of execution of the turn-on and turn-off can also be determined according to the type of chopping. Said.
  • the calculation can be performed according to the range of the chopping phase angle, and the specific calculation method will not be described here.
  • Step 304 Perform chopping control on the adjustment switch according to the phase angle control strategy in a preset number of m AC power cycles after receiving the dimming command;
  • the specific chopping method can be simultaneous chopping in positive and negative half cycles (Fig. 3a-3c), or chopping only in the positive half cycle or negative half cycle of the AC power supply (Fig. 3d); the chopping in Fig. 3d can It is a leading edge or trailing edge chopping, or a leading edge + trailing edge chopping.
  • the value of m can be less than or equal to N.
  • NT can be the time interval between the received dimming command and the next received dimming command, and T is the AC power cycle.
  • the time interval between different dimming commands may be the same or different. Therefore, the N may be a fixed value, or may be a variable value, which is not limited herein.
  • the NT may also be a preset chopping control period, so that after receiving the current dimming command, the chopping control may be performed every NT time until the next dimming command is received. Thereafter, a new chopping control is performed every NT time according to the next dimming command; at this time, NT generally needs to be smaller than the time interval between adjacent dimming commands.
  • the m alternating current power cycles for performing chopping control may be m alternating current power cycles immediately after receiving the dimming command; or may be m alternating currents after a certain number of alternating current power cycles after receiving the dimming command Power cycle.
  • the chopping control also means that the adjustment switch is controlled within the mT according to the phase angle control strategy, so that the light source regulator outputs a chopping voltage corresponding to the phase angle control strategy.
  • the m is preferably smaller than N, or even much smaller than because, for the light source adjuster and the driver, the transmission of the dimming command can be realized as long as the chopping signal outputted by the light source regulator is received and detected by the driver.
  • the light source adjuster continuously outputs the chopping voltage, the power factor difference of the light source adjuster, the electromagnetic interference is large, and it is easy to appear between the switching power supply and the switching power supply. Resistance matching problem, therefore, the output of the dimming command can be realized by outputting the chopping voltage only in the mT in the NT, and the electromagnetic interference and harmonics can also be reduced. Pollution, improving the power factor of the light source regulator and the light source driver.
  • the control of this step can include:
  • the natural zero-crossing time of the AC power source is continuously detected, and the turn-off time is controlled in accordance with the execution sequence of the on and off.
  • leading edge chopping For example, for leading edge chopping:
  • control adjustment switch Continuously detect the natural zero-crossing moment of the AC power supply. From this moment on, the control adjustment switch is turned off. After the power-off time is tl, the control adjustment switch is turned on until the next zero-crossing of the AC power supply is detected.
  • leading edge + trailing edge chopping the implementation of the above leading edge chopping and trailing edge chopping can be referred to, and will not be described here.
  • Step 305 The control adjustment switch is in an on state during the time other than the mT within the NT time after receiving the dimming command.
  • the step needs to be performed.
  • the voltage output by the light source regulator is the AC power supply voltage.
  • step 304 and step 305 needs to be determined according to the position of mT in the NT. For example, if chopping control is performed immediately after receiving the dimming command, step 304 is performed first, and then step 305 is performed. However, if mT is located in the middle of the NT, step 305 is first executed until mT comes, step 304 is performed, and then step 305 is performed. Of course, there are other execution sequences in the actual application, which are no longer mentioned here.
  • the present invention further provides another light source control method, which is suitable for use in a light source driver. As shown in FIG. 4, the method includes:
  • Step 401 Receive electrical energy, detect a chopping voltage in the electrical energy, and determine a chopping type and/or a chopping phase angle range.
  • Step 402 Determine a dimming item according to the chop type and/or the chopping phase angle range.
  • the dimming item corresponds to a dimming item in the dimming command.
  • a chopping type and/or a chopping phase angle range and a tune corresponding to the light source adjuster may be preset in the driver.
  • Step 403 Control the light source according to the dimming item.
  • this step may be:
  • a corresponding current output is generated to the light source for adjustment of the color and/or brightness of the light source.
  • the chopping type of the chopping voltage is detected from the received electric energy
  • the embodiment of the invention further provides a light source control device, which can be disposed in the light source adjuster to control the adjustment switch in the light source adjuster.
  • the device includes:
  • the first receiving unit 510 is configured to receive a dimming instruction, and determine a dimming item indicated by the dimming instruction;
  • a first determining unit 520 configured to determine, according to the dimming item, a chop type and/or a chopping phase angle range corresponding to the dimming item;
  • the first control unit 530 is configured to control the adjustment switch according to the chop type and/or the chopping phase angle range to output the electric energy including the chopping voltage.
  • the first determining unit may include:
  • a relationship storage subunit configured to store a preset chop type and/or a correspondence between a chopping phase angle range and a dimming item;
  • the searching subunit is configured to search for a chopping type and/or a chopping phase angle range corresponding to the dimming item from the correspondence according to the dimming item.
  • the first control unit 530 can include:
  • a first determining subunit configured to determine a phase angle control strategy of the adjustment switch according to a chop type and/or a chopping phase angle range
  • control subunit configured to control the adjustment switch according to the phase angle control strategy.
  • the first control unit 530 is further configured to perform chopping control on the adjustment switch in an mT within an NT time after receiving the dimming command; mT ⁇ NT, m is a preset constant, and T is an AC power cycle.
  • the NT is the time interval between the received dimming command and the next time the dimming command is received. At this time, the first control unit 530 is further configured to:
  • the control adjustment switch is in an on state during the time other than the mT in the NT time after receiving the dimming command.
  • the control subunit may be specifically configured to: according to the phase angle control strategy in the mT within the NT time after receiving the dimming command
  • the adjustment switch performs chopping control; and may also be configured to control the adjustment switch to be in an on state in a time other than the mT within an NT time after receiving the dimming command.
  • the dimming item may include: adjustment for color and/or brightness, and/or degree of brightness adjustment.
  • the embodiment of the present invention further provides another light source control device, which can be disposed in a driver, and the device includes:
  • a second receiving unit 610 configured to receive electrical energy including a chopping voltage, and detect a chopping type and/or a chopping phase angle range of the chopping voltage;
  • a second determining unit 620 configured to determine a dimming term according to the chopping type and/or the chopping phase angle range
  • the second control unit 630 is configured to control the light source according to the dimming item.
  • the second control unit 630 can include:
  • a second determining subunit configured to determine an output current according to the dimming item
  • a subunit is generated for generating a corresponding current output to the light source for performing control of the dimming item indication of the light source.
  • the dimming item may include: adjustment for color and/or brightness, and/or degree of brightness adjustment.
  • an embodiment of the present invention further provides a light source control system, including:
  • a light source adjuster configured to receive a dimming command, determine a dimming item indicated by the dimming command; determine a chop type and/or a chopping phase angle range corresponding to the dimming item according to the dimming item; The chopping type and/or the chopping phase angle range controls the regulating switch to output electrical energy including the chopping voltage;
  • a driver for receiving electrical energy including a chopping voltage, detecting a chopping type and/or a chopping phase angle range of the chopping voltage; determining a dimming item according to the chopping type and/or the chopping phase angle range; The light source is controlled according to the dimming item.
  • the light source control device and system in the light source adjuster, determining a corresponding chop type and/or a chopping phase angle range according to a dimming item specified by a dimming command, and further according to the chopping type and/or chopping phase
  • the angular range controls the adjustment switch to include a chopping voltage in the electrical energy output by the light source regulator, and an indication of the dimming item is made to the driver by the chopping voltage, so that the driver pairs the light source according to the received chopping voltage
  • the electrical energy is controlled by the color and/or brightness indicated by the dimming item.
  • the storage medium may be, for example, a ROM/RAM, a magnetic disk, an optical disk, or the like.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Description

光源控制方法、 装置及系统
本申请要求于 2010 年 6 月 22 日提交中国专利局、 申请号为 201010213828.7、 发明名称为"光源控制方法、 装置及系统"的中国专利申请的 优先权， 其全部内容通过引用结合在本申请中。
技术领域
本发明涉及控制领域， 尤其涉及一种光源控制方法、 装置及系统。
背景技术
在照明领域，很多场合需要调节光源的亮度或颜色， 这就要求照明系统具 有调节功能。
目前较为常用的是斩波调光技术，如图 1所示为一种光源调节器的电路实 现结构， 该光源调节器包括作为调节开关的双向触发二极管 D1以及由可调电 阻 R1和第一电容 C1构成的触发电路。
该光源调节器的工作原理为： 当双向触发二极管 D1工作在导通状态时， 光源调节器的输出电压 VI为交流供电电源电压； 当双向触发二极管 D1关断 时，光源调节器的输出电压 VI是零电压；第一电容 C1通过可调电阻 R1充电， 当第一电容 C1上的电压上升到双向触发二极管 D1的导通电压时， 双向触发 二极管 D1被触发导通。 从而， 通过可调电阻 R1阻值的变化引起第一电容 C1 的充电时间的变化， 进而该充电时间的变化引起双向触发二极管 D 1导通角的 变化， 体现在光源调节器的输出电压 VI上， 则形成例如图 la所示的前沿式 斩波电压等斩波电压。该斩波电压输出给后续的用于光源驱动的驱动器，从而 通过驱动器对光源进行亮度的调节。
对于以上的斩波调光技术， 只能通过硬件方式进行光源亮度调节， 无法同 时实现例如彩色照明系统中光源颜色变化等其它调节功能。
发明内容
有鉴于此， 本发明要解决的技术问题是， 提供一种光源控制方法及系统， 能够实现对于光源颜色和 /或亮度等的调节功能。
为此， 本发明实施例采用如下技术方案：
本发明实施例提供一种光源控制方法， 包括：
接收调光指令， 确定所述调光指令指示的调光项目； 根据所述调光项目确定调光项目对应的斩波类型和 /或斩波相角范围； 根据所述斩波类型和 /或斩波相角范围对调节开关进行控制， 以输出包含 斩波电压的电能。
所述^ f艮据调光项目确定调光项目对应的斩波类型和 /或斩波相角范围包 括：
预设斩波类型和 /或斩波相角范围与调光项目之间的对应关系；
根据所述调光项目从所述对应关系中查找调光项目对应的斩波类型和 /或 斩波相角范围。
所述根据斩波类型和 /或斩波相角范围对调节开关进行控制包括： 根据斩波类型和 /或斩波相角范围确定调节开关的相角控制策略； 根据所述相角控制策略对调节开关进行控制。
所述对调节开关进行控制包括： 在接收到调光指令后的 NT时间内的 mT 内对调节开关进行斩波控制； mT<NT, m为预设常数， T为交流电源周期， NT为本次接收到的调光指令与下一次接收到调光指令之间的时间间隔；或者， 所述 NT为预设的斩波控制周期。
该方法还包括：在接收到调光指令后的 NT时间内所述 mT之外的时间中， 控制调节开关处于导通状态。
所述调光项目包括： 对于颜色和 /或亮度的调节， 和 /或对于亮度调节的程 度。
本发明实施例提供另一种光源控制方法， 包括：
接收包含斩波电压的电能， 检测所述斩波电压的斩波类型和 /或斩波相角 范围；
根据所述斩波类型和 /或斩波相角范围确定调光项目；
根据所述调光项目对光源进行控制。
所述根据调光项目对光源进行控制包括：
根据调光项目确定输出电流；
生成对应的电流输出给光源， 以便对光源进行调光项目指示的控制。
所述调光项目包括： 对于颜色和 /或亮度的调节， 和 /或对于亮度调节的程 度。 本发明实施例还提供一种光源控制装置， 包括：
第一接收单元， 用于接收调光指令， 确定所述调光指令指示的调光项目； 第一确定单元， 用于根据所述调光项目确定调光项目对应的斩波类型和 / 或斩波相角范围；
第一控制单元， 用于根据所述斩波类型和 /或斩波相角范围对调节开关进 行控制， 以输出包含斩波电压的电能。
第一确定单元包括：
关系存储子单元， 用于存储预设的斩波类型和 /或斩波相角范围与调光项 目之间的对应关系；
查找子单元，用于根据所述调光项目从所述对应关系中查找调光项目对应 的斩波类型和 /或斩波相角范围。
第一控制单元包括：
第一确定子单元， 用于根据斩波类型和 /或斩波相角范围确定调节开关的 相角控制策略；
控制子单元， 用于根据所述相角控制策略对调节开关进行控制。
第一控制单元具体用于： 在接收到调光指令后的 NT时间内的 mT内对调 节开关进行斩波控制； mT<NT, m为预设常数， T为交流电源周期， NT为本 次接收到的调光指令与下一次接收到调光指令之间的时间间隔； 或者， 所述 NT为预设的斩波控制周期。
第一控制单元还用于：
在接收到调光指令后的 NT时间内所述 mT之外的时间中， 控制调节开关 处于导通状态。
所述调光项目包括： 对于颜色和 /或亮度的调节， 和 /或对于亮度调节的程 度。
本发明实施例还提供一种光源控制装置， 包括：
第二接收单元， 用于接收包含斩波电压的电能，检测所述斩波电压的斩波 类型和 /或斩波相角范围；
第二确定单元， 用于根据所述斩波类型和 /或斩波相角范围确定调光项目； 第二控制单元， 用于根据所述调光项目对光源进行控制。 第二控制单元包括：
第二确定子单元， 用于根据调光项目确定输出电流；
生成子单元， 用于生成对应的电流输出给光源， 以便对光源进行调光项目 指示的控制。
所述调光项目包括： 对于颜色和 /或亮度的调节， 和 /或对于亮度调节的程 度。
本发明实施例还提供一种光源控制系统， 包括：
光源调节器， 用于接收调光指令， 确定所述调光指令指示的调光项目； 根 据所述调光项目确定调光项目对应的斩波类型和 /或斩波相角范围； 根据所述 斩波类型和 /或斩波相角范围对调节开关进行控制， 以输出包含斩波电压的电 能；
驱动器， 用于接收包含斩波电压的电能，检测所述斩波电压的斩波类型和 /或斩波相角范围； 根据所述斩波类型和 /或斩波相角范围确定调光项目； 根据 所述调光项目对光源进行控制。
对于上述技术方案的技术效果分析如下：
根据调光指令指定的调光项目确定对应的斩波类型和 /或斩波相角范围， 进而根据所述斩波类型和 /或斩波相角范围对调节开关进行控制， 从而实现在 光源调节器输出的电能中包含斩波电压，通过所述斩波电压向驱动器进行调光 项目的指示， 以便驱动器对光源进行调光项目指示的颜色和 /或亮度的控制。 附图说明
图 1为现有技术光源调节器的电路实现结构图；
图 la为现有技术前沿式斩波电压的波形示意图；
图 2为本发明实施例一种光源控制方法流程示意图；
图 3为本发明实施例另一种光源控制方法流程示意图；
图 3a~® 3d为本发明实施例光源调节器生成的斩波示例图；
图 4为本发明实施例第三种光源控制方法流程示意图；
图 5为本发明实施例一种光源控制装置结构示意图；
图 6为本发明实施例另一种光源控制装置结构示意图。
具体实施方式 以下， 结合附图详细说明本发明实施例光源控制方法及系统的实现。 图 2为本发明实施例一种光源控制方法流程示意图，该光源控制方法适用 于光源调节器中， 对光源调节器中的调节开关进行控制， 如图 2所示， 包括： 步骤 201 : 接收调光指令， 确定所述调光指令指定的调光项目；
步骤 202:根据所述调光项目确定调光项目对应的斩波类型和 /或斩波相角 范围；
步骤 203: 根据确定的斩波类型和 /或斩波相角范围对调节开关进行控制， 以输出包含斩波电压的电压。
在图 2所示的光源控制方法中，根据调光指令指定的调光项目确定对应的 斩波类型和 /或斩波相角范围， 进而根据所述斩波类型和 /或斩波相角范围对调 节开关进行控制，从而实现在光源调节器输出的电能中包含斩波电压，通过所 述斩波电压向驱动器进行调光项目的指示，以便驱动器对光源进行调光项目指 示的控制。
在图 2的基础上，通过图 3对本发明实施例光源控制方法进行更为详细的 说明。 如图 3所示， 该方法包括：
步骤 301: 接收调光指令， 确定所述调光指令中指定的调光项目。
其中， 所述光源可以为白炽灯集合、 LED 集合等； 所述调光项目可以包 括： 亮度的调节， 或者， 颜色的调节， 或者， 亮度和颜色的调节等， 进而， 所 述颜色可以按照不同的颜色进行区分，而所述亮度则可以设置不同的亮度级别 等。
所述调光指令可以为数字指令， 所述的数字指令可以由模拟指令转换而 来， 也可以由用户通过键盘、 触摸屏等人机界面输入， 还可以是预先设定好的 内部指令。
具体的， 对于所述调光项目， 可以为不同的调光项目设定不同的标识。 从 而当用户指定光源以及对应的调光项目时，可以直接^ f艮据光源标识以及调光项 目的标识生成调光指令。
例如， 一级亮度的标识为 11 , 二级亮度的标识为 12, 红色的标识为 21 , 蓝色的标识为 22等。 则调光指令可以通过（颜色， 亮度）等二维方式进行标 识。 当然， 在实际应用中， 如果只进行颜色或亮度的调节， 则所述调光指令中 未指定的项目可以缺省， 或者也可以用 （亮度）（颜色）等一维表示方式实现， 这里不再赘述。
步骤 302:根据所述调光项目确定调光项目对应的斩波类型和 /或斩波相角 范围。
在具体实现中， 可以预先设定不同的调光项目与不同的斩波类型和 /或斩 波相角范围之间的对应关系， 从而本步骤中根据调光项目查找所述对应关系， 包括： 前沿式斩波、 后沿式斩波、 前沿式 +后沿式斩波等； 所述相角范围可以 为 0° ~ 180°。
具体的：
( 1 ) 可以通过斩波类型来区分调光项目， 此时，
可以预设斩波类型与调光项目之间的对应关系，如调节颜色对应前沿式斩 波， 调节亮度的调光项目对应后沿式斩波等。
( 2 ) 可以通过不同的斩波相角范围区分不同的调光项目， 此时， 可以预设斩波相角范围与调光项目之间的对应关系， 例如，预设调节颜色 的调光指令对应斩波相角范围 （10° , 40° ), 进而预设不同的斩波相角范围对 应不同的颜色， 调节亮度的调光指令对应斩波相角范围 （50°, 80° ), 进而预 设不同的斩波相角范围对应不同的亮度； 或者，调节颜色的调光指令对应斩波 相角 （120° , 150° ), 不同的斩波相角范围对应不同的颜色， 调节亮度的调光 指令对应相角 （80°, 110° ), 不同的斩波相角范围对应不同的亮度， 等等。
( 3 )可以通过不同的斩波类型和斩波相角范围区分不同的调光项目， 此 时， 将预设不同的斩波类型和斩波相角范围与不同的调光项目之间的对应关 系，例如，设定调节亮度对应的斩波类型和斩波相角范围为：前沿式斩波（10° , 40。）和后沿式斩波（ 120。， 150。）， 等等， 这里不再赘述。
其中， 所述斩波相角范围也可以极限为某一具体的斩波相角，从而通过斩 波相角和斩波相角范围等的不同也可以进行不同调光项目的区分，这里不再赘 述。
例如， 如图 3a中的斩波即为固定斩波相角的前沿式斩波； 而图 3b中的斩 波即为固定斩波相角的前沿式斩波 +后沿式斩波；而图 3c中的斩波即为相角在 一定相角范围内变化下的前沿式斩波；以上不同的斩波实现方式都可以代表不 同的调光项目， 以便对驱动器进行调光指令的传输和指示。
步骤 303: 根据斩波类型和 /或斩波相角范围确定调节开关的相角控制策 略。
其中， 所述相角控制策略可以包括： 在半个交流电源周期内， 调节开关的 导通时间 T1和 /或关断时间 T2, 以及每半个交流电源周期内导通和关断的执 行顺序， 其中， Τ1< ( Τ/2 ), Τ2< ( Τ/2 )。 调节开关的导通时间或关断时间可 以与所述斩波类型和 /或斩波相角范围成某一预设函数关系或者某一预设的对 应关系， 而所述导通和关断的执行顺序则与斩波类型相关。
具体的：
( 1 )如果步骤 302中调光指令只与斩波类型对应， 则本步骤中只根据斩 波类型确定相角控制策略， 此时，
对于所述导通和关断的执行顺序， 可以根据斩波类型确定， 例如， 斩波类 型为前沿式斩波， 则每次交流电源过零后， 需要首先控制调节开关关断， 之后 再控制调节开关导通，直到下一次交流电源过零，从而实现前沿式斩波， 因此， 所述执行顺序为： 先关断后导通； 斩波类型为后沿式斩波， 则每次交流电源过 零后， 需要首先控制调节开关导通， 之后再控制调节开关关断， 直到下一次交 流电源过零， 实现后沿式斩波， 因此， 所述执行顺序为： 先导通后关断。
而对于导通时间和 /或关断时间， 则可以预先自主设定每一斩波类型与导 通时间和 /或关断时间的对应关系， 本步骤中直接根据斩波类型查找所述对应 关系， 即可进行导通时间和 /或关断时间的确定。 例如所述对应关系可以为： 在每半个交流电源周期内， 前沿式斩波对应的调节开关的关断时间为 tl , tl< ( T/2 ), 导通时间为（T/2 ) -tl , 后沿式斩波对应的调节开关的导通时间为 t2, t2< ( T/2 ), 关断时间为 （T/2 ) -t2。 这里， 由于对于每半个交流电源周期中某 一调节开关的导通和关断时间而言， 导通时间 +关断时间 = ( T/2 ), 因此， 在实 际应用中， 也可以只预设其中的导通时间或者关断时间， 这里并不限定。
( 2 )如果在步骤 302中调光指令与斩波类型和斩波相角范围对应， 则本 步骤中根据斩波类型和斩波相角范围确定相角控制策略， 此时，
对于所述导通和关断的执行顺序，也可以根据斩波类型确定， 这里不再赘 述。
对于导通时间和 /或关断时间， 则可以根据所述斩波相角范围进行计算， 具体的计算方法这里不再赘述。
步骤 304:在接收到调光指令后的 NT时间内的预设数目 m个交流电源周 期内， 根据所述相角控制策略对调节开关进行斩波控制；
具体斩波方法可以是交流正负半周内同时斩波（如图 3a-3c ), 或只在交流 电源正半周期或者负半周期内斩波（如图 3d ); 图 3d中的斩波可以是前沿式 或后沿式斩波， 或者前沿式 +后沿式斩波。
在实际应用中， m的值可以小于等于 N。 NT可以为本次接收的调光指令 与下一次接收的调光指令之间的时间间隔， T为交流电源周期。 其中， 不同调 光指令之间的时间间隔可以相同也可以不同， 因此， 所述 N可以为定值， 或 者， 也可以为变量值， 这里并不限定。 或者， 所述 NT也可以为预设的斩波控 制的周期， 从而在接收到本次调光指令后， 每隔 NT时间即可以进行一次所述 斩波控制， 直到接收到下一次调光指令后， 每隔 NT时间根据所述下一次调光 指令进行新的斩波控制； 此时， NT—般需要小于相邻调光指令之间的时间间 隔。
这里， 进行斩波控制的 m个交流电源周期可以为刚刚接收到调光指令后 的 m个交流电源周期； 或者， 也可以为接收到调光指令后一定数量个交流电 源周期之后的 m个交流电源周期。 当然， 基于光源调节器以及驱动器对于调 光指令的反应速度考虑， 最好设置接收到调光指令之后的 m个交流电源周期 作为进行斩波控制的时间段。
所述斩波控制也即是说在所述 mT之内根据所述相角控制策略对调节开 关进行控制， 以便光源调节器输出相角控制策略对应的斩波电压。
进一步地， 所述 m最好小于 N, 甚至是远远小于 因为， 对于光源调 节器和驱动器来说，只要光源调节器输出的斩波信号被驱动器接收并检测到即 可实现调光指令的传输， 而如果 m等于 N, 则如现有技术般在进行光源亮度 调节时， 光源调节器持续输出斩波电压， 则光源调节器的功率因数差、 电磁干 扰大， 而且容易出现与开关电源之间电阻匹配问题， 因此， 通过只在 NT中的 mT中输出斩波电压既可以实现调光指令的传输， 还可以降低电磁干扰和谐波 污染， 提高光源调节器和光源驱动器的功率因数。
本步骤的控制可以包括：
持续检测交流电源的自然过零时刻，按照所述导通和关断的执行顺序控制 述关断时间。
例如对于前沿式斩波：
持续检测交流电源的自然过零时刻，从该时刻开始控制调节开关关断，持 续关断时间 tl后， 控制调节开关导通， 直到下一次检测到交流电源的过零时 刻。
对于后沿式斩波：
持续检测交流电源的自然过零时刻，从该时刻开始控制调节开关导通，持 续导通时间 t2后, 控制调节开关关断， 直到下一次检测到交流电源的过零时 刻。
对于前沿式 +后沿式斩波可以参考以上前沿式斩波和后沿式斩波的实现完 成， 这里不再赘述。
步骤 305： 在接收到调光指令后的 NT时间内所述 mT之外的时间中， 控 制调节开关处于导通状态。
其中， 当 m小于 N时， 则需要执行本步骤， 当调节开关处于导通状态时， 光源调节器输出的电压即为交流电源电压。
步骤 304和步骤 305的执行顺序需要根据 mT在 NT中所处的位置来确定， 例如， 接收到调光指令后的 mT内马上进行斩波控制， 则首先执行步骤 304, 之后， 再执行步骤 305; 但是， 如果 mT位于 NT的中间位置， 则首先执行步 骤 305直到 mT到来时， 执行步骤 304, 之后再执行步骤 305。 当然， 在实际 应用中还可以有其他的执行顺序， 这里不再——赘述。
在图 3所示的光源控制方法中， 不仅可以实现颜色和 /或亮度的调节， 而 且， 通过只在 NT中的预设数目个交流电源周期中进行调节开关的斩波控制， 从而降低了电磁干扰和谐波污染， 提高了光源调节器的功率因数。 而且， 当调 节开关处于全导通状态时，调节开关和后级开关电源类驱动器间因阻抗匹配问 题而引起的损耗也将降低。 与所述光源控制方法对应的， 本发明还提供另一种光源控制方法，适用于 光源驱动器中， 如图 4所示， 该方法包括：
步骤 401 : 接收电能， 检测所述电能中的斩波电压， 确定斩波类型和 /或斩 波相角范围。
步骤 402: 根据所述斩波类型和 /或斩波相角范围确定调光项目。
其中， 所述调光项目与所述调光指令中的调光项目对应， 具体的， 可以在 驱动器中预设与光源调节器中对应的、 斩波类型和 /或斩波相角范围与调光项 目之间的对应关系， 从而本步骤中直接根据斩波类型和 /或斩波相角范围查找 所述对应关系， 即可得到调光指令中指示的调光项目，也即驱动器所需要执行 的调光项目。
步骤 403： 根据所述调光项目对所述光源进行控制。
具体的， 本步骤的实现可以为：
根据调光项目确定输出电流；
生成对应的电流输出给光源， 以便进行光源颜色和 /或亮度的调节。
图 4所示的光源控制方法中，从接收的电能中检测斩波电压的斩波类型和
/或斩波相角范围， 据此进行调光项目的确定， 并相应的对光源进行控制， 从 而实现了驱动器对于光源颜色和 /或亮度的调节。
与上述光源控制方法相对应的， 本发明实施例还提供一种光源控制装置， 可以设置于光源调节器中，对光源调节器中的调节开关进行控制。如图 5所示， 该装置包括：
第一接收单元 510, 用于接收调光指令， 确定所述调光指令指示的调光项 ；
第一确定单元 520, 用于根据所述调光项目确定调光项目对应的斩波类型 和 /或斩波相角范围；
第一控制单元 530,用于根据所述斩波类型和 /或斩波相角范围对调节开关 进行控制， 以输出包含斩波电压的电能。
优选地， 第一确定单元可以包括：
关系存储子单元， 用于存储预设的斩波类型和 /或斩波相角范围与调光项 目之间的对应关系； 查找子单元，用于根据所述调光项目从所述对应关系中查找调光项目对应 的斩波类型和 /或斩波相角范围。
优选地， 第一控制单元 530可以包括：
第一确定子单元， 用于根据斩波类型和 /或斩波相角范围确定调节开关的 相角控制策略；
控制子单元， 用于根据所述相角控制策略对调节开关进行控制。
第一控制单元 530还可以具体用于在接收到调光指令后的 NT时间内的 mT内对所述调节开关进行斩波控制； mT<NT, m为预设常数， T为交流电源 周期， NT为本次接收到的调光指令与下一次接收到调光指令之间的时间间隔； 此时， 第一控制单元 530还用于：
在接收到调光指令后的 NT时间内所述 mT之外的时间中， 控制调节开关 处于导通状态。
当第一控制单元 530通过第一确定子单元和控制子单元实现时，控制子单 元可以具体用于： 在接收到调光指令后的 NT时间内的 mT内， 根据所述相角 控制策略对所述调节开关进行斩波控制； 还可以用于在接收到调光指令后的 NT时间内所述 mT之外的时间中， 控制调节开关处于导通状态。
其中， 所述调光项目可以包括： 对于颜色和 /或亮度的调节， 和 /或对于亮 度调节的程度。
如图 6所示， 本发明实施例还提供另一种光源控制装置， 该装置可以设置 于驱动器中， 该装置包括：
第二接收单元 610, 用于接收包含斩波电压的电能， 检测所述斩波电压的 斩波类型和 /或斩波相角范围；
第二确定单元 620,用于根据所述斩波类型和 /或斩波相角范围确定调光项 ；
第二控制单元 630, 用于根据所述调光项目对光源进行控制。
优选地， 第二控制单元 630可以包括：
第二确定子单元， 用于根据调光项目确定输出电流；
生成子单元， 用于生成对应的电流输出给光源， 以便对光源进行调光项目 指示的控制。 其中， 所述调光项目可以包括： 对于颜色和 /或亮度的调节， 和 /或对于亮 度调节的程度。
另外， 本发明实施例还提供一种光源控制系统， 包括：
光源调节器， 用于接收调光指令， 确定所述调光指令指示的调光项目； 根 据所述调光项目确定调光项目对应的斩波类型和 /或斩波相角范围； 根据所述 斩波类型和 /或斩波相角范围对调节开关进行控制， 以输出包含斩波电压的电 能；
驱动器， 用于接收包含斩波电压的电能，检测所述斩波电压的斩波类型和 /或斩波相角范围； 根据所述斩波类型和 /或斩波相角范围确定调光项目； 根据 所述调光项目对光源进行控制。
上述光源控制装置和系统，在光源调节器中，根据调光指令指定的调光项 目确定对应的斩波类型和 /或斩波相角范围， 进而根据所述斩波类型和 /或斩波 相角范围对调节开关进行控制，从而实现在光源调节器输出的电能中包含斩波 电压，通过所述斩波电压向驱动器进行调光项目的指示， 以便驱动器对光源根 据接收到的包含斩波电压的电能进行调光项目指示的颜色和 /或亮度的控制。
本领域普通技术人员可以理解，实现上述实施例光源控制的方法的过程可 以通过程序指令相关的硬件来完成， 所述的程序可以存储于可读取存储介质 中， 该程序在执行时执行上述方法中的对应步骤。 所述的存储介质可以如： ROM/RAM、 磁碟、 光盘等。
以上所述仅是本发明的优选实施方式，应当指出，对于本技术领域的普通 技术人员来说， 在不脱离本发明原理的前提下， 还可以做出若干改进和润饰， 这些改进和润饰也应视为本发明的保护范围。

Claims

权 利 要 求
1、 一种光源控制方法， 其特征在于， 包括：
接收调光指令， 确定所述调光指令指示的调光项目；
根据所述调光项目确定调光项目对应的斩波类型和 /或斩波相角范围； 根据所述斩波类型和 /或斩波相角范围对调节开关进行控制， 以输出包含 斩波电压的电能。
2、 根据权利要求 1所述的方法， 其特征在于， 所述根据调光项目确定调 光项目对应的斩波类型和 /或斩波相角范围包括：
预设斩波类型和 /或斩波相角范围与调光项目之间的对应关系；
根据所述调光项目从所述对应关系中查找调光项目对应的斩波类型和 /或 斩波相角范围。
3、 根据权利要求 1所述的方法， 其特征在于， 所述根据斩波类型和 /或斩 波相角范围对调节开关进行控制包括：
根据斩波类型和 /或斩波相角范围确定调节开关的相角控制策略； 根据所述相角控制策略对调节开关进行控制。
4、 根据权利要求 1至 3任一项所述的方法， 其特征在于， 所述对调节开 关进行控制包括： 在接收到调光指令后的 NT时间内的 mT内对调节开关进行 斩波控制； mT<NT, m为预设常数， T为交流电源周期， NT为本次接收到的 调光指令与下一次接收到调光指令之间的时间间隔； 或者， 所述 NT为预设的 斩波控制周期。
5、 根据权利要求 4所述的方法， 其特征在于， 该方法还包括：
在接收到调光指令后的 NT时间内所述 mT之外的时间中， 控制调节开关 处于导通状态。
6、 根据权利要求 1至 3任一项所述的方法， 其特征在于， 所述调光项目 包括： 对于颜色和 /或亮度的调节， 和 /或对于亮度调节的程度。
7、 一种光源控制方法， 其特征在于， 包括：
接收包含斩波电压的电能， 检测所述斩波电压的斩波类型和 /或斩波相角 范围； 根据所述斩波类型和 /或斩波相角范围确定调光项目；
根据所述调光项目对光源进行控制。
8、 根据权利要求 7所述的方法， 其特征在于， 所述根据调光项目对光源 进行控制包括：
根据调光项目确定输出电流；
生成对应的电流输出给光源， 以便对光源进行调光项目指示的控制。
9、 根据权利要求 7或 8所述的方法， 其特征在于， 所述调光项目包括： 对于颜色和 /或亮度的调节， 和 /或对于亮度调节的程度。
10、 一种光源控制装置， 其特征在于， 包括：
第一接收单元， 用于接收调光指令， 确定所述调光指令指示的调光项目； 第一确定单元， 用于根据所述调光项目确定调光项目对应的斩波类型和 / 或斩波相角范围；
第一控制单元， 用于根据所述斩波类型和 /或斩波相角范围对调节开关进 行控制， 以输出包含斩波电压的电能。
11、 根据权利要求 10所述的装置， 其特征在于， 第一确定单元包括： 关系存储子单元， 用于存储预设的斩波类型和 /或斩波相角范围与调光项 目之间的对应关系；
查找子单元，用于根据所述调光项目从所述对应关系中查找调光项目对应 的斩波类型和 /或斩波相角范围。
12、 根据权利要求 10所述的装置， 其特征在于， 第一控制单元包括： 第一确定子单元， 用于根据斩波类型和 /或斩波相角范围确定调节开关的 相角控制策略；
控制子单元， 用于根据所述相角控制策略对调节开关进行控制。
13、 根据权利要求 10至 12任一项所述的装置， 其特征在于， 第一控制单 元具体用于： 在接收到调光指令后的 NT时间内的 mT内对调节开关进行斩波 控制； mT<NT, m为预设常数， T为交流电源周期， NT为本次接收到的调光 指令与下一次接收到调光指令之间的时间间隔； 或者， 所述 NT为预设的斩波 控制周期。
14、 根据权利要求 13所述的装置， 其特征在于， 第一控制单元还用于： 在接收到调光指令后的 NT时间内所述 mT之外的时间中， 控制调节开关 处于导通状态。
15、 根据权利要求 10至 12任一项所述的装置， 其特征在于， 所述调光项 目包括： 对于颜色和 /或亮度的调节， 和 /或对于亮度调节的程度。
16、 一种光源控制装置， 其特征在于， 包括：
第二接收单元， 用于接收包含斩波电压的电能，检测所述斩波电压的斩波 类型和 /或斩波相角范围；
第二确定单元， 用于根据所述斩波类型和 /或斩波相角范围确定调光项目； 第二控制单元， 用于根据所述调光项目对光源进行控制。
17、 根据权利要求 16所述的装置， 其特征在于， 第二控制单元包括： 第二确定子单元， 用于根据调光项目确定输出电流；
生成子单元， 用于生成对应的电流输出给光源， 以便对光源进行调光项目 指示的控制。
18、根据权利要求 16或 17所述的装置，其特征在于，所述调光项目包括： 对于颜色和 /或亮度的调节， 和 /或对于亮度调节的程度。
19、 一种光源控制系统， 其特征在于， 包括：
光源调节器， 用于接收调光指令， 确定所述调光指令指示的调光项目； 根 据所述调光项目确定调光项目对应的斩波类型和 /或斩波相角范围； 才艮据所述 斩波类型和 /或斩波相角范围对调节开关进行控制， 以输出包含斩波电压的电 能；
驱动器， 用于接收包含斩波电压的电能，检测所述斩波电压的斩波类型和 /或斩波相角范围； 根据所述斩波类型和 /或斩波相角范围确定调光项目； 根据 所述调光项目对光源进行控制。
PCT/CN2010/078686 2010-06-22 2010-11-12 光源控制方法、装置及系统 WO2011160381A1 (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US13/806,413 US20130093348A1 (en) 2010-06-22 2010-11-12 Method, apparatus and system for controlling light source

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2010102138287A CN102300356A (zh) 2010-06-22 2010-06-22 光源控制方法、装置及系统
CN201010213828.7 2010-06-22

Publications (1)

Publication Number Publication Date
WO2011160381A1 true WO2011160381A1 (zh) 2011-12-29

Family

ID=45360438

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2010/078686 WO2011160381A1 (zh) 2010-06-22 2010-11-12 光源控制方法、装置及系统

Country Status (3)

Country Link
US (1) US20130093348A1 (zh)
CN (1) CN102300356A (zh)
WO (1) WO2011160381A1 (zh)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105101509A (zh) * 2014-05-04 2015-11-25 协记精密工业股份有限公司 单线调光方法
CN104981052B (zh) * 2014-07-16 2018-02-27 厦门兴恒隆股份有限公司 一种用于led光源的触摸感应恒流调光控制器
CN110312339B (zh) * 2019-05-23 2021-04-20 鹰潭阳光照明有限公司 一种可调光的led灯电路

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002246192A (ja) * 2001-02-14 2002-08-30 Koito Mfg Co Ltd 放電灯点灯回路
US6469454B1 (en) * 2000-06-27 2002-10-22 Maxim Integrated Products, Inc. Cold cathode fluorescent lamp controller
CN1501756A (zh) * 2002-11-12 2004-06-02 明基电通股份有限公司 驱动放电灯管及其调光控制装置

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5192896A (en) * 1992-04-10 1993-03-09 Kong Qin Variable chopped input dimmable electronic ballast
US6037722A (en) * 1994-09-30 2000-03-14 Pacific Scientific Dimmable ballast apparatus and method for controlling power delivered to a fluorescent lamp
US5691605A (en) * 1995-03-31 1997-11-25 Philips Electronics North America Electronic ballast with interface circuitry for multiple dimming inputs
JP3947895B2 (ja) * 2000-02-24 2007-07-25 株式会社日立製作所 照明装置用点灯装置
US6628089B2 (en) * 2002-02-01 2003-09-30 Electronic Theatre Controls, Inc. Extraction of accessory power from a signal supplied to a luminaire from a phase angle dimmer
US6727662B2 (en) * 2002-09-28 2004-04-27 Osram Sylvania, Inc. Dimming control system for electronic ballasts
CN2807698Y (zh) * 2005-05-23 2006-08-16 马士科技有限公司 一种分级调光的荧光灯镇流器
CN101568222A (zh) * 2008-04-21 2009-10-28 纵领电子(上海)有限公司 荧光灯两线制调光控制方法及其调光控制装置
US8203276B2 (en) * 2008-11-28 2012-06-19 Lightech Electronic Industries Ltd. Phase controlled dimming LED driver system and method thereof
US8222832B2 (en) * 2009-07-14 2012-07-17 Iwatt Inc. Adaptive dimmer detection and control for LED lamp
CN101646288B (zh) * 2009-08-27 2012-08-29 佛山市美博照明有限公司 适用于传统调光器的调光方法及其led可调光驱动电源
JP2011165394A (ja) * 2010-02-05 2011-08-25 Sharp Corp Ｌｅｄ駆動回路、調光装置、ｌｅｄ照明灯具、ｌｅｄ照明機器、及びｌｅｄ照明システム
US8111017B2 (en) * 2010-07-12 2012-02-07 O2Micro, Inc Circuits and methods for controlling dimming of a light source
CN102625520A (zh) * 2011-01-31 2012-08-01 美高森美股份有限公司-模拟混合信号集团有限公司 对用于相切割调光器的led照明器的改进用户控制
US20130249437A1 (en) * 2012-03-22 2013-09-26 Iwatt Inc. Adaptive filter for led dimmer

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6469454B1 (en) * 2000-06-27 2002-10-22 Maxim Integrated Products, Inc. Cold cathode fluorescent lamp controller
JP2002246192A (ja) * 2001-02-14 2002-08-30 Koito Mfg Co Ltd 放電灯点灯回路
CN1501756A (zh) * 2002-11-12 2004-06-02 明基电通股份有限公司 驱动放电灯管及其调光控制装置

Also Published As

Publication number Publication date
US20130093348A1 (en) 2013-04-18
CN102300356A (zh) 2011-12-28

Similar Documents

Publication Publication Date Title
CN109246885B (zh) 一种led的切相调光装置
CN106413189B (zh) 使用调制信号的与triac调光器相关的智能控制系统和方法
US10045419B2 (en) Color-temperature adjustable LED lightning device and method for adjusting color temperature of LED lighting device
TWI517751B (zh) Adapt to controllable silicon LED driver circuit, drive method and application of its switching power supply
US10652965B2 (en) Apparatus, dimmable light emitting diode drive circuit and control method
US8872438B2 (en) LED light dimming with a target brightness
US20130241433A1 (en) Method, apparatus and system for controlling light source
RU2014133038A (ru) Светодиодный источник света
TW201240523A (en) Light emitting device power supply circuit, and light emitting device driver circuit and control method thereof
US9900949B1 (en) Solid-state light source dimming system and techniques
CN105657932B (zh) 光源驱动电路及亮度和色温控制器
CN211702503U (zh) 一种新型的智能控制可控硅调光开关及其可调光灯具
US10321532B2 (en) Power factor dimming
CN110087342B (zh) 一种脉冲频率调制的加热调功控制方法
WO2011160381A1 (zh) 光源控制方法、装置及系统
US20150042236A1 (en) Method and apparatus for controlling brightness of light emitting diodes
WO2013023500A1 (zh) 光源控制方法、装置及系统
CN101917799A (zh) 一种单火线电子开关及其控制方法
WO2018058298A1 (zh) 调光开关系统及方法
TWI446831B (zh) Digital AC dimming control circuit
CN201966883U (zh) 一种单火线电子开关
CN109688661B (zh) 一种单脉冲可控硅后切相调光方法和调光器
CN202738207U (zh) Led智能随影灯
EP2806712A1 (en) Application circuit and control method thereof
TW201717700A (zh) 調光方法及其電路

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 10853520

Country of ref document: EP

Kind code of ref document: A1

WWE Wipo information: entry into national phase

Ref document number: 13806413

Country of ref document: US

NENP Non-entry into the national phase

Ref country code: DE

32PN Ep: public notification in the ep bulletin as address of the adressee cannot be established

Free format text: NOTING OF LOSS OF RIGHTS PURSUANT TO RULE 112(1) EPC

122 Ep: pct application non-entry in european phase

Ref document number: 10853520

Country of ref document: EP

Kind code of ref document: A1