EP1976341A1 - Stromsparsteuerungsverfahren für ein Beleuchtungsmodul - Google Patents

Stromsparsteuerungsverfahren für ein Beleuchtungsmodul Download PDF

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Publication number
EP1976341A1
EP1976341A1 EP07006412A EP07006412A EP1976341A1 EP 1976341 A1 EP1976341 A1 EP 1976341A1 EP 07006412 A EP07006412 A EP 07006412A EP 07006412 A EP07006412 A EP 07006412A EP 1976341 A1 EP1976341 A1 EP 1976341A1
Authority
EP
European Patent Office
Prior art keywords
power
current
lighting module
saving
consumption
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
EP07006412A
Other languages
English (en)
French (fr)
Other versions
EP1976341B1 (de
Inventor
Chao-Chin Yeh
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chuan Shih Industrial Co Ldt
Original Assignee
Chuan Shih Industrial Co Ldt
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 Chuan Shih Industrial Co Ldt filed Critical Chuan Shih Industrial Co Ldt
Priority to ES07006412T priority Critical patent/ES2317603T3/es
Priority to EP07006412A priority patent/EP1976341B1/de
Priority to DE602007000234T priority patent/DE602007000234D1/de
Priority to AT07006412T priority patent/ATE413795T1/de
Priority to PL07006412T priority patent/PL1976341T3/pl
Publication of EP1976341A1 publication Critical patent/EP1976341A1/de
Application granted granted Critical
Publication of EP1976341B1 publication Critical patent/EP1976341B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H05B39/041—Controlling the light-intensity of the source
    • H05B39/044—Controlling the light-intensity of the source continuously
    • H05B39/047—Controlling the light-intensity of the source continuously with pulse width modulation from a DC power 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
    • H05B41/00—Circuit arrangements or apparatus for igniting or operating discharge lamps
    • H05B41/14—Circuit arrangements
    • H05B41/36—Controlling
    • H05B41/38—Controlling the intensity of light
    • H05B41/39—Controlling the intensity of light continuously
    • H05B41/392—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor
    • H05B41/3921—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations
    • H05B41/3927—Controlling the intensity of light continuously using semiconductor devices, e.g. thyristor with possibility of light intensity variations by pulse width modulation

Definitions

  • the present invention relates to lighting module control means and more particularly, to a light module power-saving control method.
  • a same power is consumed during lighting. For example, if a light emitting device is turned on with a watt consumption "w" and the length of turn-on period is "t", the light emitting device keeps consuming power supply at the watt consumption "w" within the whole length of turn-on period "t". If the length of the time period is divided into 1000 equal parts, the power consumption time of watt consumption "w" of the light emitting device is 1000/1000, as shown in FIG 1 . Under certain conditions, this power consumption manner is a waste. If the light emitting device is not used for a special processing work but for illumination, it is not necessary to keep consuming power supply at the watt consumption "w" within the whole length of turn-on period "t” because of the persistence of human vision.
  • the present invention has been accomplished under the circumstances in view. It is the main object of the present invention to provide a method of saving the power consumption of the lighting module of a lamp by means of the persistence of human vision.
  • the power-saving control method is used in a light emitting device having a power output loop and a lighting module to save power consumption.
  • the method comprises the step of installing a switching control loop in the light emitting device for outputting a high-frequency current output signal and a low-frequency current output signal at each time share cycle, and the step of diving the length of a unit time into multiple equal parts for enabling the power output loop to alternatively output a normal-consumption current and a power-saving current to the lighting module subject to the control of the switching control loop, wherein the frequency of the supply of the normal-consumption current is not less than 16 times/second.
  • FIG 2 is a circuit diagram of a lamp in accordance with a first embodiment of the present invention.
  • the lamp comprises a DC power loop 10, a switching control loop 11 connected to the DC power loop 10, a power output loop 12 connected to the switching control loop 11, and a lighting module 13 connected to the power output loop 12.
  • the lamp is a compact fluorescent lamp.
  • the switching control loop 11 provides a high-frequency current output signal and a low-frequency current output signal at a milli-second time division cycle. It divides the length of a unit time "t" into multiple equal parts in which signals are respectively outputted.
  • the power output loop 12 executes output of different currents subject to the control of the switching control loop 11, i.e., the power output loop 12 is controlled by the switching control loop 11 to output a normal-consumption current to the lighting module 13 within a predetermined length of time, and to output a power-saving current to the lighting module 13 within another predetermined length of time.
  • the frequency of the supply of the normal-consumption current to the lighting module 13 is higher than or equal to 16 times/second, and the power-saving current must be greater than or equal to the minimum exciting current of the lighting module 13.
  • the unit time is 1 second and divided into 1000 equal parts, and the normal-consumption current and the power-saving current are alternatively supplied by the power output loop 12 to the lighting module 13 at every 1/1000 second, as shown in FIG 3 , causing the lighting module 13 to emit light. Therefore, the power output loop 12 outputs the normal-consumption power to the lighting module 13 500 times in one second, the 20W consuming time is 1/2 second, and the 10W consuming time is 1/2 second, i.e., it saves about 25% of power consumption when compared with a conventional 20W fluorescent lamp.
  • the lighting module does not keep consuming the normal-consumption current 20W all the time within this 1 second, the supply frequency of the normal-consumption current 20W to the lighting module is higher than 16 times/second, the effect of the persistence of human vision makes people feel constant brightness of the lamp under the normal-consumption current. Therefore, saving of power consumption is achieved.
  • the minimum exciting current is 3W
  • the normal-consumption current is 20W
  • the power-saving current is 8W. If the unit time is 1 second and divided into 1000 equal parts and if the normal-consumption current and the power-saving current are alternatively supplied by the power output loop to the lighting module for 1/1000 second and 9/1000 second respectively, the power output loop outputs the normal-consumption power to the lighting module 100 times in one second, the 20W consuming time is 1/10second, and the 8W consuming time is 9/10 second, i.e., it saves about 54% of power consumption when compared with a conventional 20W fluorescent lamp.
  • the lighting module does not keep consuming the normal-consumption current 20W all the time within this 1 second, the supply frequency of the normal-consumption current 20W to the lighting module is higher than 16 times/second, the effect of the persistence of human vision makes people feel constant brightness of the lamp under the normal-consumption current. Therefore, saving of power consumption is achieved.
  • the invention is also applicable to cold cathode fluorescent lamp, HID (High-Intensity Discharge) lamp, as well as LED (Light Emitting Diode).
  • HID High-Intensity Discharge
  • LED Light Emitting Diode
  • the supplying time for normal-consumption current can be 3/10 and the supplying time for power-saving current can be 7/10. Accordingly, the invention is not to be limited except as by the appended claims.

Landscapes

  • Circuit Arrangement For Electric Light Sources In General (AREA)
  • Circuit Arrangements For Discharge Lamps (AREA)
EP07006412A 2007-03-28 2007-03-28 Stromsparsteuerungsverfahren für ein Beleuchtungsmodul Active EP1976341B1 (de)

Priority Applications (5)

Application Number Priority Date Filing Date Title
ES07006412T ES2317603T3 (es) 2007-03-28 2007-03-28 Procedimiento para controlar el ahorro de energia de un modulo de alumbrado.
EP07006412A EP1976341B1 (de) 2007-03-28 2007-03-28 Stromsparsteuerungsverfahren für ein Beleuchtungsmodul
DE602007000234T DE602007000234D1 (de) 2007-03-28 2007-03-28 Stromsparsteuerungsverfahren für ein Beleuchtungsmodul
AT07006412T ATE413795T1 (de) 2007-03-28 2007-03-28 Stromsparsteuerungsverfahren für ein beleuchtungsmodul
PL07006412T PL1976341T3 (pl) 2007-03-28 2007-03-28 Sposób kontroli oszczędzania energii w module oświetleniowym

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP07006412A EP1976341B1 (de) 2007-03-28 2007-03-28 Stromsparsteuerungsverfahren für ein Beleuchtungsmodul

Publications (2)

Publication Number Publication Date
EP1976341A1 true EP1976341A1 (de) 2008-10-01
EP1976341B1 EP1976341B1 (de) 2008-11-05

Family

ID=38293326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07006412A Active EP1976341B1 (de) 2007-03-28 2007-03-28 Stromsparsteuerungsverfahren für ein Beleuchtungsmodul

Country Status (5)

Country Link
EP (1) EP1976341B1 (de)
AT (1) ATE413795T1 (de)
DE (1) DE602007000234D1 (de)
ES (1) ES2317603T3 (de)
PL (1) PL1976341T3 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104135805A (zh) * 2014-08-15 2014-11-05 中山顺富节能科技有限公司 一种新型节电器

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0067010B1 (de) * 1981-05-26 1985-09-11 General Electric Company Verfahren zum Betätigen von programmierbaren Steuersignalschaltungen
US5130608A (en) * 1990-11-02 1992-07-14 Nicholas Zahardis Electrical module and method for reducing power consumption of an incandescent light bulb
US20030057888A1 (en) * 2001-08-30 2003-03-27 Archenhold Geoffrey Howard Gillett Illumination control system
US20050212461A1 (en) * 2004-03-24 2005-09-29 Sanyo Electric Co., Ltd. Projection type video display apparatus

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0067010B1 (de) * 1981-05-26 1985-09-11 General Electric Company Verfahren zum Betätigen von programmierbaren Steuersignalschaltungen
US5130608A (en) * 1990-11-02 1992-07-14 Nicholas Zahardis Electrical module and method for reducing power consumption of an incandescent light bulb
US20030057888A1 (en) * 2001-08-30 2003-03-27 Archenhold Geoffrey Howard Gillett Illumination control system
US20050212461A1 (en) * 2004-03-24 2005-09-29 Sanyo Electric Co., Ltd. Projection type video display apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104135805A (zh) * 2014-08-15 2014-11-05 中山顺富节能科技有限公司 一种新型节电器

Also Published As

Publication number Publication date
ATE413795T1 (de) 2008-11-15
ES2317603T3 (es) 2009-04-16
PL1976341T3 (pl) 2009-04-30
EP1976341B1 (de) 2008-11-05
DE602007000234D1 (de) 2008-12-18

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