TWI394486B - Methods for controlling brightness of an illuminant - Google Patents
Methods for controlling brightness of an illuminant Download PDFInfo
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- TWI394486B TWI394486B TW097146222A TW97146222A TWI394486B TW I394486 B TWI394486 B TW I394486B TW 097146222 A TW097146222 A TW 097146222A TW 97146222 A TW97146222 A TW 97146222A TW I394486 B TWI394486 B TW I394486B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Description
本發明係相關於光源調光方法，尤其為一種利用開關方式調整光源亮度之方法。The invention relates to a light source dimming method, in particular to a method for adjusting the brightness of a light source by means of a switching method.
傳統的照光設備如白幟燈、螢光燈或LED等光源，在被點亮的時候都只能提供固定亮度的光源，對於在特定時候不需要太高亮度的環境而言，光源提供過多的亮度不但會造成電能的浪費，並且光源不能配合環境需求來改變亮度，達到最適宜的光源亮度。Traditional lighting equipment such as white light, fluorescent light or LED light source can only provide a fixed brightness light source when it is lit. For an environment that does not require too high brightness at a specific time, the light source provides too much light. Brightness not only causes waste of electrical energy, but also the light source cannot change the brightness in accordance with environmental requirements to achieve the optimum light source brightness.
因此，如何發明一種可以調整光源亮度的方法，實為目前亟需解決的課題。Therefore, how to invent a method that can adjust the brightness of the light source is an urgent problem to be solved.
因此，本發明的目的之一，在於提供一種光源亮度控制方法，其係用於調整一包含複數段預設亮度之光源之亮度，該光源調光方法包含：開啟該光源，該光源被點亮在第一階預設亮度；關閉該光源；再度開啟該光源；該光源被點亮在第二預設亮度，接著改變至第三預設亮度並依序改變亮度；關閉該光源，重新開啟該光源；該光源被點亮在關閉該光源前，該光源被點亮之預設亮度。Therefore, one of the objectives of the present invention is to provide a light source brightness control method for adjusting the brightness of a light source including a plurality of preset brightnesses, the light source dimming method comprising: turning on the light source, the light source being illuminated Presetting the brightness at the first stage; turning off the light source; turning the light source on again; the light source is illuminated at the second preset brightness, then changing to the third preset brightness and sequentially changing the brightness; turning off the light source, turning the light on again a light source; the light source is illuminated by a predetermined brightness that is illuminated before the light source is turned off.
請參閱1圖，第1圖為本發明較佳實施例之步驟流程圖，如第1圖所示，本發明係用於控制含有多段亮度可供調整之光源，光源之亮度段數以X表示，調整光源之方法為首先開啟光源之開關(S1)，此時會點亮光源，光源之亮度為第一階預設亮度(S2)，通常為最亮之亮度或最暗之亮度，但不以此為限。接著關閉光源之開關(S3)，關閉光源之開關後，第二次開啟光源之開關(S4)，並計算從上一次關閉開關到打開開關的時間T1，若關閉開關到打開開關的時間T1大於預設時間Td，則步驟將回到S2，也就是光源會重新點亮在第一階預設亮度。但是若關閉開關到打開開關的時間T1小於預設時間Td，則光源會點亮在第二階預設亮度(S5)。其中預設時間Td為一固定值並且可任意調整，並且通常第二階預設亮度會略暗或略亮於第一階預設亮度，但不以此為限。Please refer to FIG. 1 . FIG. 1 is a flow chart showing the steps of a preferred embodiment of the present invention. As shown in FIG. 1 , the present invention is for controlling a light source having multiple brightnesses for adjustment. The number of brightness segments of the light source is represented by X. The method of adjusting the light source is to first turn on the light source switch (S1), and the light source is turned on at this time, the brightness of the light source is the first-order preset brightness (S2), usually the brightest brightness or the darkest brightness, but not This is limited to this. Then turn off the light source switch (S3), turn off the light source switch, turn on the light source switch (S4) for the second time, and calculate the time T1 from the last time the switch was turned off to the open switch, if the time T1 when the switch is turned off to open the switch is greater than After the preset time Td, the step will return to S2, that is, the light source will be re-lighted at the first-order preset brightness. However, if the time T1 when the switch is turned off to the open switch is less than the preset time Td, the light source will be illuminated at the second-order preset brightness (S5). The preset time Td is a fixed value and can be adjusted arbitrarily, and usually the second-order preset brightness is slightly darker or slightly brighter than the first-order preset brightness, but is not limited thereto.
在光源被點亮在第二階預設亮度時，若不關閉光源，則光源在經過一緩衝時間Tbuff後，會改變至第三階預設亮度(S6)。When the light source is illuminated at the second-order preset brightness, if the light source is not turned off, the light source changes to the third-order preset brightness after a buffer time Tbuff (S6).
但在光源被點亮在第二階預設亮度時，若再關閉光源之開關(S51)後重新打開(S52)，則會再一次計算上一次關閉光源開關到打開光源開關之時間T2，並且比較T2是否大於預設時間Td，若T2大於預設時間Td則回到步驟S2重新點亮光源之第一階預設亮度，若T2小於預設時間Td則光源被固定在第二預設亮度(S53)。However, when the light source is illuminated at the second-order preset brightness, if the light source switch is turned off (S51) and then turned back on (S52), the time T2 when the last time the light source switch is turned off to the time when the light source switch is turned on is calculated again, and Comparing whether T2 is greater than the preset time Td, if T2 is greater than the preset time Td, returning to step S2 to re-light the first-order preset brightness of the light source, if T2 is less than the preset time Td, the light source is fixed at the second preset brightness (S53).
相同的，在光源改變至第三階預設亮度時(S6)，若不 關閉光源，則光源在經過一緩衝時間Tbuff後，會改變至第四階預設亮度，如此依序改變至第N階預設亮度(Sn)，其中N等於光源之亮度段數X。The same, when the light source changes to the third-order preset brightness (S6), if not When the light source is turned off, the light source changes to the fourth-order preset brightness after a buffer time Tbuff, and thus sequentially changes to the Nth-order preset brightness (Sn), where N is equal to the brightness segment number X of the light source.
在光源被點亮在第三階預設亮度時，若再關閉光源之開關(S61)後重新打開(S62)，則同樣會再一次計算上一次關閉光源開關到打開光源開關之時間T3，並且比較T3是否大於預設時間Td，若T3大於預設時間Td則同樣會重新回到步驟S2重新點亮光源之第一階預設亮度，若T3小於預設時間Td則光源被固定在第三預設亮度(S63)。When the light source is illuminated at the third-order preset brightness, if the light source switch is turned off (S61) and then turned back on (S62), the time T3 when the last time the light source switch is turned off to the time when the light source switch is turned on is also calculated again, and Compare whether T3 is greater than the preset time Td. If T3 is greater than the preset time Td, it will return to step S2 to re-light the first-order preset brightness of the light source. If T3 is less than the preset time Td, the light source is fixed at the third. Preset brightness (S63).
在光源亮度改變至第N階預設亮度時(Sn)，如果不關閉光源開關，光源在經過緩衝時間Tbuff後則會關閉(Sn＋1)，而若是將光源在改變至第N階預設亮度(Sn1)時關閉光源，之後重新打開光源(Sn2)，則會計算關閉光源到重新打開光源的時間Tn，如果Tn大於預設時間Td，則光源會被重新點亮在第一階預設亮度，從步驟S2重新開始。但若Tn小於預設時間Td，則光源會被點亮在第二階預設亮度，並且從步驟S5重新開始上述動作。When the brightness of the light source changes to the Nth order preset brightness (Sn), if the light source switch is not turned off, the light source will be turned off (Sn+1) after the buffer time Tbuff, and if the light source is changed to the Nth order preset brightness ( Sn1) turns off the light source, then turns the light source back on (Sn2), it calculates the time Tn when the light source is turned off to re-open the light source. If Tn is greater than the preset time Td, the light source will be re-lighted at the first-order preset brightness. Restart from step S2. However, if Tn is less than the preset time Td, the light source will be illuminated at the second-order preset brightness, and the above-described action is restarted from step S5.
如此重複以上動作數次，則只要在不同階光源亮度關閉光源，再重新打開光源，並且開關到打開光源開關的時間小於預設時間Td，則可以將光源點亮在關閉前的預設亮度，如此控制光源點亮在不同的亮度。Repeating the above actions several times in this way, as long as the light source is turned off at different order light sources, and then the light source is turned on again, and the switch to the time when the light source switch is turned on is less than the preset time Td, the light source can be illuminated at the preset brightness before the turn-off. This controls the light source to illuminate at different brightness levels.
此外本發明之光源亮度控制方法，除了可以控制單一光源之外，更可以同時控制複數個光源，在利用一個開關同時控制複數個光源時，因為每個光源的計時器的震盪頻 率可能有差異，將會造成光源在亮度改變時間上的差異，變成複數個光源在亮度改變無法同步。In addition, the light source brightness control method of the present invention can control a plurality of light sources at the same time, in addition to controlling a single light source, when a plurality of light sources are simultaneously controlled by one switch, because the oscillation frequency of the timer of each light source The rate may vary, which will cause the difference in the brightness of the light source to change, and the multiple light sources cannot be synchronized in the brightness change.
因此，本發明另外利用50及60赫茲AC電源作為參考電源，利用這個參考電源以同步化複數個光源的亮度改變時間，使複數個光源在亮度改變上同步化。Therefore, the present invention additionally utilizes a 50 and 60 Hz AC power source as a reference power source, and utilizes this reference power source to synchronize the brightness of the plurality of light sources to change the time so that the plurality of light sources are synchronized in the brightness change.
如此透過簡單的光源開關的操作，便可以得到不同的光源亮度，以符合環境的要求，同時節省不必要的電能浪費，更能延長光源的壽命。In this way, through the operation of a simple light source switch, different light source brightness can be obtained to meet the environmental requirements, while saving unnecessary power waste and prolonging the life of the light source.
以上所述僅為本發明之較佳實施例，凡依本發明申請專利範圍所做之均等變化與修飾，皆應屬本發明之涵蓋範圍。The above are only the preferred embodiments of the present invention, and all changes and modifications made to the scope of the present invention should be within the scope of the present invention.
S1~Sn＋1‧‧‧方法步驟S1~Sn+1‧‧‧ method steps
T1~Tn‧‧‧光源關閉時間T1~Tn‧‧‧Light source off time
Tbuff‧‧‧緩衝時間Tbuff‧‧‧ buffer time
Td‧‧‧預設時間Td‧‧‧ preset time
第1圖係顯示本發明較佳實施例之步驟流程圖。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a flow chart showing the steps of a preferred embodiment of the present invention.
S1~Sn＋1‧‧‧方法步驟S1~Sn+1‧‧‧ method steps
T1~Tn‧‧‧光源關閉時間T1~Tn‧‧‧Light source off time
Tbuff‧‧‧緩衝時間Tbuff‧‧‧ buffer time
Td‧‧‧預設時間Td‧‧‧ preset time
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| TW097146222A TWI394486B (en) | 2008-11-28 | 2008-11-28 | Methods for controlling brightness of an illuminant |
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| Application Number | Priority Date | Filing Date | Title |
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| TW097146222A TWI394486B (en) | 2008-11-28 | 2008-11-28 | Methods for controlling brightness of an illuminant |
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| Publication Number | Publication Date |
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| TW201021622A TW201021622A (en) | 2010-06-01 |
| TWI394486B true TWI394486B (en) | 2013-04-21 |
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| CN105025615B (en) * | 2014-04-29 | 2017-11-10 | 杨金新 | The LED drive system and use its light-dimming method that controlling switch dims |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6040660A (en) * | 1996-07-09 | 2000-03-21 | Schmidt; Rudolf | Device for controlling the intensity of the light emitted by a lighting element of a lighting apparatus, in particular a flashlight |
| CN1694597A (en) * | 2005-05-20 | 2005-11-09 | 马士科技有限公司 | Step light regulated fluorescent lamp ballast |
| TWI270630B (en) * | 2005-09-06 | 2007-01-11 | Yu-Sheng Suo | A multi-stage illumination-adjusting apparatus of a gas discharge lamp and its adjusting method |
| JP2008123982A (en) * | 2006-11-10 | 2008-05-29 | Macroblock Inc | Illumination device and luminance switching device of illumination device |
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2008
- 2008-11-28 TW TW097146222A patent/TWI394486B/en not_active IP Right Cessation
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6040660A (en) * | 1996-07-09 | 2000-03-21 | Schmidt; Rudolf | Device for controlling the intensity of the light emitted by a lighting element of a lighting apparatus, in particular a flashlight |
| CN1694597A (en) * | 2005-05-20 | 2005-11-09 | 马士科技有限公司 | Step light regulated fluorescent lamp ballast |
| TWI270630B (en) * | 2005-09-06 | 2007-01-11 | Yu-Sheng Suo | A multi-stage illumination-adjusting apparatus of a gas discharge lamp and its adjusting method |
| JP2008123982A (en) * | 2006-11-10 | 2008-05-29 | Macroblock Inc | Illumination device and luminance switching device of illumination device |
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| TW201021622A (en) | 2010-06-01 |
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