WO2012088696A1 - Dispositif et procédé de réglage commandable d'une sortie de charge - Google Patents

Dispositif et procédé de réglage commandable d'une sortie de charge Download PDF

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Publication number
WO2012088696A1
WO2012088696A1 PCT/CN2010/080529 CN2010080529W WO2012088696A1 WO 2012088696 A1 WO2012088696 A1 WO 2012088696A1 CN 2010080529 W CN2010080529 W CN 2010080529W WO 2012088696 A1 WO2012088696 A1 WO 2012088696A1
Authority
WO
WIPO (PCT)
Prior art keywords
load
conduction angle
linear
pattern
output
Prior art date
Application number
PCT/CN2010/080529
Other languages
English (en)
Inventor
Ruilong HU
Chunbai OUYANG
Jianjun Ding
Original Assignee
Clipsal Australia Pty Ltd
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 Clipsal Australia Pty Ltd filed Critical Clipsal Australia Pty Ltd
Priority to SG2013042155A priority Critical patent/SG190447A1/en
Priority to PCT/CN2010/080529 priority patent/WO2012088696A1/fr
Priority to MYPI2013700924A priority patent/MY166616A/en
Priority to CN201080071037.3A priority patent/CN103314643B/zh
Priority to KR1020137020292A priority patent/KR20140092234A/ko
Publication of WO2012088696A1 publication Critical patent/WO2012088696A1/fr
Priority to HK13112044.6A priority patent/HK1184953A1/xx

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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
    • H05B39/00—Circuit arrangements or apparatus for operating incandescent light sources
    • H05B39/04—Controlling
    • H05B39/08—Controlling by shifting phase of trigger voltage applied to gas-filled controlling tubes also in controlled semiconductor devices
    • 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • 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]
    • H05B45/382—Switched mode power supply [SMPS] with galvanic isolation between input and output

Definitions

  • the present invention relates to a device and method for controlling operation of the outpift of a load, in particular the present invention relates to dimmer circuits for use in controlling the output of eiectric devices such as the Sight intensity of light emitting devfces s as well as the speed of fans, heat intensity of space heaters and the like.
  • Dimmer circuits are commonly used to control the output light intensity of light emitting devices by seiectabiy varying the conduction angle of an input AC supply voltage applied to the light emitting device.
  • the conduction angle of the voltage is varied by chopping or blocking a portion of the positive and negative cycles of the input AC supply voltage applied to the light emitting device.
  • the amount of dimming which is achieved is variable depending upon the extent to which the conduction angle is chopped or blocked.
  • Dimmer circuits are generally designed for linear operation and are therefore relatively easily interfaced with and functionally operable with traditional light emitting devices such as incandescent lamps and iron core transformer low voltage haiogen Samps which happen to be linear in nature.
  • the present invention seeks to alleviate at least one of the problems discussed above in relation to the prior art.
  • the present invention may involve several broad forms. Embodiments of the present invention may include one or any combination of the different broad forms herein described.
  • the present invention provides a device configured for electrical connection with a load to control an output of the load, the device including: circuitry for varying a conduction angle of an input AC supply voltage applied to the load;
  • a current scanner for scanning at least one current form flowing through the load in response to the varying conduction angle of the input AC supply voltage applied to the ioad
  • a digital signal processing unit electrically coupled to the current scanner and the circuitry, the digital signal processing unit being configured for identifying an operational load type of the load by reference to a pattern indicative of a relationship between the scanned at least one current form and the varying conduction angle of the input AC supply voltage;
  • the digital signal processing unit is configured for applying at least one of a plurality of predetermined operational modes to control the output of the toad based upon the identified operational load type of the load .
  • the load may include at least one of a light emitting device, a fan and a space heater.
  • the circuitry for varying the conduction angle of the input AC supplyrajage may be configured to vary the conduction angle by at least one of gradually increasing the conduction angle within a first predetermined conduction angle range, and, graduaily decreasing the conduction angle within a second predetermined conduction angle range.
  • the current scanner may be configured to scan at least one of the following current forms:
  • the digital signal processing unit may be configured for identifying the operational load type of the load by reference to at least one feature of the pattern,
  • the feature may include at least one of:
  • the digital signal processing unit may be further configured for identifying at least one of;
  • the operational load type of the load may include at least one of a linear load, a dimmable non-linear load, and a non-dimmable non-iinear load,
  • the digital signal processing unit may be .configured to execute a pattern recognition algorithm, for recognising the operational load type of the load.
  • the digital signal processing unit may be configured for digitising the at least one scanned current form
  • the digital signal processing unit may be configured for normalising the at least one scanned current form.
  • the digital signal processing unit may be configured for filtering noise from the at ieasi one scanned current form.
  • the predetermined operational modes may include at least one of;
  • a dimmable non-linear operational mode for controlling operation of the output of the ioad of a dimmable non-linear load type, said dimmable non-linear operational mode being configured for applying at least one of the minimum kick-start angle for enabling suitable start-up output of the load, and, the minimum portion of the conduction angle to be blocked in order to enable varying of the output of the ioad towards the relatively lower end output;
  • At least one of the predetermined operational modes may be configured for providing trailing-edge phase cut dimming of the input AC suppiy voltage in response to the load being resistive or capacitive, and, leading-edge phase cut dimming of the input AC suppiy voltage in response to the load being inductive.
  • the non-dimmable noo-iinear operational mode may be configured to provide switching on/off of the input AC supply voltage to the non- dimmable non-linear load
  • a dimming range may be able to be set for the conduction angle between 0-180° for trailing-edge or leading edge phase cut dimming.
  • the present invention provides a method for controlling an output of a load including the steps of:
  • ⁇ i ⁇ scanning at least one current form flowing through the load in response to a varying conduction angle of an input AC supply voltage being applied to the ioad;
  • the ioad may include at ieast one of a light emitting device, a fan and a space heater.
  • the conduction angle of the input AC supply voltage may be varied by at ieast one of graduaiiy increasing the conduction angle within a first predetermined condyction angle range, and, gradually decreasing the conduction angle within a second predetermined conduction angle range,
  • At least one of the following current forms may be scanned
  • the operational load type of the load may be identified by reference to at ieast one feature of the pattern.
  • the feature may include at least one of:
  • the operational load type of the load may include at least one of a linear load, a dimmable non-linear load, and a non-dimmable. non-linear load.
  • the operational load type of the load may be identified by applying a pattern recognition algorithm.
  • the at Ieast one scanned current form may be digitised.
  • the at least one scanned current form may be normalised.
  • the at !east one scanned current form may be filtered to remove noise.
  • the predetermined operational modes may include, at least one of:
  • a dimmabie non-linear operational mode for controlling operation of the output of the load of a dimmabie non-linear load type, the dimmabie non-linear operational mode being configured for providing at least one of the minimum kick-start conduction angle for enabling suitable start-up output of the !oad, and, the minimum portion of the conduction angle to be blocked in order to enable varying of the output of the load towards the relatively lower end output;
  • At least one of the predetermined operational modes may be configured for providing iraiiing-edge phase out dimming of the input AC supply lakeage in response to the load being resistive or capacitive, and, leading-edge phase cut dimming of the input AC suppiy voltage in response to the load being inductive.
  • the non-dimmabie non-linear operational mode may be configured to provide switching on/off of the input AC supply voltage to the non- dimmabie non-linear load
  • a dimming range may be able to be set for the conduction angle between 0-180° for iraiiing-edge or leading edge phase cut dimming.
  • the present invention may be able to operate with both traditional linear loads such as incandescent and iron core transformer lowireage halogen lamps, as well as non-linear loads including dimmable/non- dsmmable compact fluorescent lamps, fluorescent tube lamps with electronic ballast and dimmable/non dimmable LEDs.
  • traditional linear loads such as incandescent and iron core transformer lowireage halogen lamps
  • non-linear loads including dimmable/non- dsmmable compact fluorescent lamps, fluorescent tube lamps with electronic ballast and dimmable/non dimmable LEDs.
  • the present invention does not require any manual configuration and/or programming in order to function properly and is able to operate simply upon installation in series with a light emitting device,
  • Figure 1 shows a block diagram of a first embodiment dimmer device
  • Figures 2A shows the first embodiment dimmer device connected to a light emitting device and an AC mains power supply in an exemplary two-wire series configuration
  • Figures 28 shows the first embodiment dimmer device connected to a light emitting device and an AC mains power supply in an exemplary three-wire configuration
  • Figure 3 shows a flow diagram of method steps in accordance with a second embodiment of the present invention.
  • Figures 4A-4D shows exemplary graphed patterns of scanned averaged current form data against Increasing and decreasing input voltage conduction angle for an incandescent lamp, a lamp with an electronic transformer, a dirnmahie compact fluorescent lamp, and, a non-dimmable compact fluorescent lamp respectively.
  • a first embodiment dimming device ⁇ 1 ⁇ is shown in Figs, 1 , 2A and 2B which may be configured for two or three-wire electrical connection.
  • conductive terminals (6) of the dimming device (1) are connected to a 50/60 Hz AC mains voltage supply (?) and a (linear or non-linear) Sight emitting device (8) in a two- wire series configuration.
  • Fig, 2B depicts the dimming device, AC mains voltage supply (7) and the Sight emitting device (8) connected in a three-wire configuration-
  • the dimmer device (1) includes additional conductive terminal (8 ' ) for connection with AC mains voltage supply (7) and the light emitting device (8),
  • the dimming device (1) also includes circuitry (not shown) for varying a conduction angle of the divinage applied to the Sight emitting device (8), a current scanner (4), and, a digital signal processing unit (2) which is electrically coupled to both the current scanner and circuitry.
  • the digital signal processing unit (2) could for instance be a microcomputer and includes an analogue to digitai converter (2a) and a memory store (2b).
  • a computer program is embedded in the memory store (2b) which is executable on the digital signal processing unit (2) to configure the digitai signal processing unit (2) to perform one or more of the functions described herein.
  • the digital signal processing unit (2) and current scanner (4) are configured to automatically perform a scan of the current forms flowing through the dimming device (1) in response to the conduction angle of the voltage applied to the light emitting device (8) being varied,
  • the conduction angle is varied by gradually increasing the conduction angle of the voltage from a relative minimum conduction angle to a relative maximum conduction angle (referred to as “current-up scanning"), as well as gradually decreasing the conduction angle from the relative maximum to the relative minimum: conduction angle (referred to as "current-down scanning").
  • the step of current-up scanning and current-down scanning is represented by block 100 in the flow chart of Fig. 3-
  • the digital signal processing unit (2) in combination with suitable switching circuitry is configured to automatically perform variation of the conduction angle during scanning of the current forms.
  • Such circuitry is known and understood by persons skilled in the art and will not be discussed in further detail herein,
  • the current forms which are scanned by the digital signal processing unit (2) and the current scanner (4) in response to varying voltage could include '
  • the conduction angle of ihe voltage is the portion of the duty cycle (e.g. 360° of a sinusoid voltage) which is utilised to power the light emitting device (8),
  • the relative minimum conduction angle is 0° whilst the relative maximum conduction angle is 180° for the half duty cycle.
  • the range of the conduction angles scanned may of course be varied in alternative embodiments if desired.
  • the minimum conduction angle may be 0° or larger than 0°
  • the maximum conduction angle may be 180° or smaller than 180°.
  • the minimum conduction may be 180° or larger than 180 c f and the maximum conduction angle may be 360° or smaller than 380°.
  • the digital signal processing unit (2) is configured to pre-process the scanned current form data by normalising the data, and, also provides noise filtering for smoothening out re!ativeiy sharp distortions in the scanned current form data.
  • the steps of normalising and noise filtering the scanned current form data is represented by block 120 in the flow chart of Fig, 3.
  • the relationship between the scanned current form data both as a function of increasing conduction angle, and, as a function of decreasing conduction angle are able to be visually represented in two-dimensional graphical format.
  • the graphed pattern shown Figs 4A, 48, 4C. and 4D are indicative of the relationship between certain exemplary scanned average line current form data and increasing/decreasing voltage conduction angle for an incandescent lamp, a linear- operating lamp with a capacitive load characteristic (e.g. with an electronic transformer), a dimmable compact fluorescent lamp, and, a non-dimmable compact fluorescent lamp respectively.
  • 4A-4D represents the pattern of current-down scanned average line current form data against decreasing conduction angle whilst the line Y in each of the Figs. 4A-4D represents the pattern of current-up scanned average line current form data against increasing conduction angie. It would be understood by a person skilled in the art that where current forms different to that of the average line current are graphed against the increasing/decreasing conduction angle of the voltage, different graphed patterns may be produced. As wilt be apparent further be!ow, by scanning several different current forms (e.g.
  • the digital signal processing unit (2) is configured to identify whether the operational load type of the light emitting device (8) appears to be a linear device, a dimmabie non-linear device, a non-dimmable non-linear device, and/or whether it exhibits a resistive, capacitive and/or inductive load characteristics.
  • the operational load type identification is performed by reference to key features extracted from the scanned patterns, representing scanned current form data in relation to varying conduction angle of the voltage.
  • the extracted key features of the scanned patterns are uniquely indicative of known operational load types.
  • Such feature® used in the comparison could for instance include turning points, maximum and minimum slope, monotonic decreasing and increasing, local valleys and peaks typically present in a graphed pattern of any given operational load type.
  • a library of such known features could be stored in the digital signal processing unit memory store (2b) as a reference for performing such a comparison and identification,
  • the step of extracting key features of the pattern representing the relationship between scanned current form data and increasing/decreasing conduction angle is represented by block 130 in the flow chart of Fig. 3.
  • the digital signal processing unit ⁇ 2 ⁇ is also configured to identify a minimum kick-start conduction angle to be applied to the load for enabling suitable start-up illumination of the light emitting device (8),. and. a minimum portion of the conduction angie to be blocked in order to enable dimming of the output of the load towards a relatively lower end output,
  • the feature extraction and comparison function is performed by a program running on the digital signal processing unit (2) to apply a suitable pattern recognition algorithm. This step is represented by block 140 in the flow chart of Fig. 3.
  • the digital signal processing unit (2) is configured to automatically implement at least one of a selection of operational modes which is suitable for controlling dimming of the light emitting device (8) illumination based upon the identified operational load type of the light emitting device (8).
  • the step of automatically applying at least one of a plurality of predetermined operational modes to control the Sight emitting device (8) is performed by the digital signal processing unit (2).
  • the digital signal processing unit (2) receives digital signals from the digital signal processing unit (2) and determines whether the light emitting device (8) is based on the recognised operational load type.
  • a dimmable non-linear operational mode would be automatically applied by the digital signal processing unit (2 ) to a lamp with an electronic transformer having operational characteristics exemplified by the graphed pattern of Fig. 48.
  • the lamp with the electronic transformer is capaeitive in nature and trailing-edge phase cut dimming would be applied in dimming this particular load.
  • the dimmable non-linear operational mode applied by the digital signai processing unit (2) is also configured to automaticaHy apply the kick-start conduction angle for suitable start-up illumination of the light emitting device (8), and/or, the minimum portion of the conduction angle to be blocked in order to enabie dimming of the output of the load towards a relatively lower end output, by reference to the extracted features of the pattern so as to automatically compensate for non-linearity in the operational characteristics of the device.
  • the kick-start conduction angle could be set such that no less than 20% of each of the voltage positive and negative half-cycles are applied to the load at start-up, whilst the portion of the conduction angle to be blocked in order to enable dimming of the output of the load towards a relatively lower end output could be set at no less than 20% of the voltage positive and negative half-cycies.
  • the digital signal processing unit (2) would automatically apply trailing-edge phase cut dimming in this instance,
  • the dimming range in respect of either leading-edge or trailing edge phase cut dimming can again be at any conduction angle between 0-180 ° .
  • the non- dimmable non-linear operational mode is applied which provides for switching on/off of the voltage to the light emitting device (8).

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  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

La présente invention concerne un dispositif configuré pour la connexion électrique à une charge pour commander une sortie de la charge. Le dispositif comprend des circuits destinés à modifier un angle de conduction d'une tension d'alimentation alternative d'entrée appliquée à la charge, un scanner de courant destiné à balayer au moins une forme de courant circulant à travers la charge en réponse à l'angle de conduction variable de la tension d'alimentation alternative d'entrée appliquée sur la charge, et une unité de traitement de signal numérique couplée électriquement au scanner de courant et aux circuits. L'unité de traitement de signal numérique est configurée pour identifier un type de charge opérationnelle de la charge par référence à un modèle indiquant une relation entre la ou les formes de courant balayées et l'angle de conduction variable de la tension d'alimentation alternative d'entrée. L'unité de traitement de signal numérique est configurée en outre pour appliquer au moins un mode de fonctionnement parmi une pluralité de modes de fonctionnement prédéterminés pour commander la sortie de la charge en fonction du type de charge opérationnelle identifié de la charge.
PCT/CN2010/080529 2010-12-30 2010-12-30 Dispositif et procédé de réglage commandable d'une sortie de charge WO2012088696A1 (fr)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SG2013042155A SG190447A1 (en) 2010-12-30 2010-12-30 Device and method for controllably dimming output of load
PCT/CN2010/080529 WO2012088696A1 (fr) 2010-12-30 2010-12-30 Dispositif et procédé de réglage commandable d'une sortie de charge
MYPI2013700924A MY166616A (en) 2010-12-30 2010-12-30 Device and Method for Controllably Dimming the Output of a Load
CN201080071037.3A CN103314643B (zh) 2010-12-30 2010-12-30 用于对负载的输出进行可控调光的装置和方法
KR1020137020292A KR20140092234A (ko) 2010-12-30 2010-12-30 부하의 출력을 제어적으로 디밍하기 위한 디바이스 및 방법
HK13112044.6A HK1184953A1 (en) 2010-12-30 2013-10-25 Device and method for controllably dimming the output of a load

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2010/080529 WO2012088696A1 (fr) 2010-12-30 2010-12-30 Dispositif et procédé de réglage commandable d'une sortie de charge

Publications (1)

Publication Number Publication Date
WO2012088696A1 true WO2012088696A1 (fr) 2012-07-05

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PCT/CN2010/080529 WO2012088696A1 (fr) 2010-12-30 2010-12-30 Dispositif et procédé de réglage commandable d'une sortie de charge

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KR (1) KR20140092234A (fr)
CN (1) CN103314643B (fr)
HK (1) HK1184953A1 (fr)
MY (1) MY166616A (fr)
SG (1) SG190447A1 (fr)
WO (1) WO2012088696A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102958255A (zh) * 2012-10-31 2013-03-06 施耐德电气东南亚(总部)有限公司 一种调光系统的供电方法和调光系统
CN108834264A (zh) * 2018-07-30 2018-11-16 中山市蓝德电子有限公司 一种具有自动调节功率的led灯带驱动电路
EP3533141B1 (fr) * 2016-10-28 2024-04-24 Intelesol, LLC Alimentation électrique en courant alternatif d'identification de charge avec commande et procédés

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10231297B2 (en) * 2015-11-24 2019-03-12 Philips Lighting Holding B.V. Lighting apparatus control switch and method
CN115134981A (zh) * 2017-09-04 2022-09-30 苏州七星天专利运营管理有限责任公司 一种照明设备检测方法和系统
EP3478024B1 (fr) * 2017-10-26 2021-01-27 Siemens Aktiengesellschaft Enclenchement d'une charge calorifique
US11160150B2 (en) * 2019-12-13 2021-10-26 Pass & Seymour, Inc. System and method for detecting a type of load

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US5268631A (en) * 1991-11-06 1993-12-07 Chicago Stage Equipment Co. Power control system with improved phase control
US20020071294A1 (en) * 2000-11-15 2002-06-13 Masayuki Yasumura Switching power supply circuit
CN101447687A (zh) * 2008-12-12 2009-06-03 无锡开普动力有限公司 通信基站用混合交流供电电源控制系统
US20100253235A1 (en) * 2009-04-01 2010-10-07 Tsung-Ein Tsai Non-flashing brightness adjusting device for non-resistive light-emitting load
CN101861762A (zh) * 2007-11-14 2010-10-13 松下电工株式会社 照明装置以及采用了该照明装置的照明器具

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US5268631A (en) * 1991-11-06 1993-12-07 Chicago Stage Equipment Co. Power control system with improved phase control
US20020071294A1 (en) * 2000-11-15 2002-06-13 Masayuki Yasumura Switching power supply circuit
CN101861762A (zh) * 2007-11-14 2010-10-13 松下电工株式会社 照明装置以及采用了该照明装置的照明器具
CN101447687A (zh) * 2008-12-12 2009-06-03 无锡开普动力有限公司 通信基站用混合交流供电电源控制系统
US20100253235A1 (en) * 2009-04-01 2010-10-07 Tsung-Ein Tsai Non-flashing brightness adjusting device for non-resistive light-emitting load

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102958255A (zh) * 2012-10-31 2013-03-06 施耐德电气东南亚(总部)有限公司 一种调光系统的供电方法和调光系统
KR101607670B1 (ko) * 2012-10-31 2016-03-30 슈나이더 일렉트릭 싸우스 이스트 아시아 (에이치큐) 피티이 엘티디 조광 시스템 및 조광 시스템의 전원 공급 방법
EP3533141B1 (fr) * 2016-10-28 2024-04-24 Intelesol, LLC Alimentation électrique en courant alternatif d'identification de charge avec commande et procédés
CN108834264A (zh) * 2018-07-30 2018-11-16 中山市蓝德电子有限公司 一种具有自动调节功率的led灯带驱动电路

Also Published As

Publication number Publication date
SG190447A1 (en) 2013-06-28
KR20140092234A (ko) 2014-07-23
MY166616A (en) 2018-07-17
CN103314643B (zh) 2015-01-28
CN103314643A (zh) 2013-09-18
HK1184953A1 (en) 2014-01-30

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