CN102300360A - Lamp switch natural light control method with non-natural light interference resistance - Google Patents
Lamp switch natural light control method with non-natural light interference resistance Download PDFInfo
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- CN102300360A CN102300360A CN2011101401208A CN201110140120A CN102300360A CN 102300360 A CN102300360 A CN 102300360A CN 2011101401208 A CN2011101401208 A CN 2011101401208A CN 201110140120 A CN201110140120 A CN 201110140120A CN 102300360 A CN102300360 A CN 102300360A
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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
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- 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
Abstract
The invention discloses a lamp switch natural light control method with non-natural light interference resistance. The method is characterized in that: by utilizing characteristics that a light intensity value of natural light changes slowly with time change and shows a gradually change trend while a light intensity value of non-natural light changes suddenly and shows no rule with time change, a light intensity value of external light and light intensity variation of light in adjacent unit time are taken as a basis of distinguishing natural light from non-natural light to carry out determination, analysis and processing, thus natural light is utilized to control a lamp switch. According to the invention, interference light intensity of natural light and light intensity of non-natural light are distinguished, accurate switch on and off functions of a lamp are realized, and efficacies of intelligent control, safety and environmental protection are achieved.
Description
Technical field
The present invention relates to a kind of method with natural daylight control headlamp switch of anti-non-natural daylight interference.
Background technology
At present the indoor and outdoor lamp that uses on the market usually all can only be artificial passes through switching system and reaches and turn on light or turn-off; Raising along with present automaticity, people also urgently wish and can reach the purpose of turning on light or turn off the light automatically by the power of responding to extraneous light, not only can reach the purpose of conveniently saving worry, and can avoid because forget the electric power resource waste of turning off the light and bringing, and the saving cost, it is particularly important particularly to seem for street lamp or decorative lamp.The light control system of existing light fixture mainly comprises light-inductive device, controller and actuator; The light-inductive device is connected in the input of controller, and actuator is connected in the output of controller.During work, the data of utilizing the induction of light-inductive device to obtain offer controller, and via controller is judged and handled the back and turned on light or turned off the light by the actuating mechanism controls light fixture.But present light control system is difficult to accomplish effective control at present for the extraneous light of automatic induction, and its reason is that mainly it is that the natural daylight light intensity changes that present control system all can't accomplish to distinguish, also is that non-natural daylight causes the light intensity of light to change.Non-natural daylight has due to the external disturbance usually---and external disturbance comprises the interference that produces when having shelter to occur suddenly around the lamp, the interference that produces when artificially deliberately blocking lamp is arranged, set up the method that reflection interference that other light sources of turning on light produce and the reflection interference of turning on light back self etc. reach the control lamp switch all for the extraneous light of induction automatically near the lamp is difficult to realization.
Summary of the invention
In order to address the above problem, the object of the present invention is to provide a kind of method with natural daylight control headlamp switch of anti-non-natural daylight interference, have and to distinguish the purpose that non-natural daylight disturbs light intensity and natural daylight light intensity, thereby reach the function that accurate control lamp is turned on light and turned off the light, really played the effect of Based Intelligent Control and safety and environmental protection.
For reaching above-mentioned purpose, the present invention adopts following technical scheme,
A kind of method with natural daylight control headlamp switch of anti-non-natural daylight interference, utilize the natural daylight light intensity value to change mitigation in time, be the trend of gradually changing, but not the variation of natural daylight light intensity is lofty, change irregular characteristics in time, by obtaining the light intensity value of extraneous light in the unit interval, the light intensity value of extraneous light and the light intensity variable quantity of adjacent cells light in the time are judged, analyzed and handle as the foundation of distinguishing natural daylight and non-natural daylight, thereby utilize natural daylight control headlamp switch.
Described method with natural daylight control headlamp switch of anti-non-natural daylight interference specifically comprises following controlled step:
1) sets the parameter of lamp internal control mechanism at first according to demand: comprise unit interval, the minimum intensity of light value of turning on light, threshold values and the efficient intensity value of turning off the light;
The wherein said unit interval is meant the blanking time of the each inductive operation of light-inductive device that controlling organization sets;
Described minimum intensity of light value of turning on light be meant that controlling organization sets under the situation that does not have non-natural daylight to disturb, carry out the critical value of the operation of turning on light or turn off the light in theory;
Described threshold values is meant that controlling organization sets is used for distinguishing natural daylight light intensity and non-natural daylight and disturbs light intensity, natural daylight intensity variations decision content in adjacent in theory two unit interval;
Described efficient intensity value of turning off the light be meant that controlling organization sets at the state of turning on light, get rid of non-natural daylight light intensity after, the reference value of just turning off the light when the natural daylight light intensity reaches this value in theory;
When 2) lamp is in turn-off, obtain the light intensity value of extraneous light in the unit interval, judge and handles, with light intensity value 〉=minimum intensity of light value of turning on light of extraneous light or＜the minimum intensity of light value of turning on light is a foundation, the execution operation of turning on light or turn off the light;
3) after lamp is in the state of turning on light, obtain the light intensity value of extraneous light in each unit interval, judge then and handle, poor with the light intensity value of extraneous light in the unit interval of obtaining for the first time and the minimum intensity of light value of turning on light, later at every turn all with the light intensity value of extraneous light in the back unit interval of obtaining and in the last unit interval difference of the light intensity value of extraneous light not as the variable quantity of extraneous light intensity; Whether be in (the threshold values that sets with extraneous intensity variations amount, + threshold values) (comprising given figure) disturbs the variable quantity of light intensity and actual light intensity value of turning off the light that the efficient intensity value of turning off the light adds up and turns off the light or continue to turn on light as execution as the basis for estimation that judges whether to natural daylight light intensity or non-natural daylight interference light intensity with the non-natural daylight that obtains at every turn in the excursion.
Described step 2) be: a, when lamp is in turn-off, obtain the light intensity value of extraneous light in the unit interval through the light-inductive device; B, controlling organization receiving light power value and judge and handle then: when light intensity value＜minimum intensity of light value of turning on light of extraneous light, return the operation that step a obtains the light intensity value of extraneous light in the next unit interval; If the continuous quadratic result is light intensity value＜minimum intensity of light value of turning on light of extraneous light, controlling organization sends instructions to actuator, carry out the operation of turning on light, otherwise controlling organization does not send instructions to actuator, lamp still is in turn-off, and continues backspace step a and carry out repetitive operation.
Described step 3) is: after a, lamp are in the state of turning on light, obtain the light intensity value of extraneous light in the unit interval through the light-inductive device; B is controlling organization receiving light power value and judge and handle then: with the difference of the light intensity value of extraneous light in the unit interval of obtaining for the first time and the minimum intensity of light value of the turning on light variable quantity as extraneous light intensity, when the variable quantity of extraneous light intensity is in the (threshold values that sets, + threshold values) excursion is when interior (comprising given figure), this external world's light intensity is the natural daylight light intensity just, disturbs light intensity otherwise be non-natural daylight; C, after then each all with the light intensity value of extraneous light in the back unit interval of obtaining and in the last unit interval difference of the light intensity value of extraneous light not as the variable quantity of extraneous light intensity; When being in (threshold values ,+threshold values) excursion that sets (comprising given figure) when the variable quantity of extraneous light intensity, this external world's light intensity be the natural daylight light intensity just, otherwise is non-natural daylight interference light intensity; D, the non-natural daylight that will at every turn obtain then disturb the variable quantity of light intensity and the efficient intensity value of turning off the light to add up and obtain the actual light intensity value of turning off the light; E, when the light-inductive device obtains light intensity value 〉=actual light intensity value of turning off the light of extraneous light in the unit interval, actuator automatically performs the operation of turning off the light; Otherwise actuator's inoperation, lamp still are in the state of turning on light.
Described minimum intensity of light value of turning on light adopts the arbitrary value in 50-200LUX; The described unit interval is the 5s-arbitrary value of 1min in the time, and threshold values adopts the arbitrary value that changes in every 5s-1min among 5-100LUX; Described efficient intensity value of turning off the light adopts the arbitrary value among 50-500LUX.
The preferred 80LUX that adopts of described minimum intensity of light value of turning on light.
The described unit interval is preferably 20s, and threshold values preferably adopts and changes 10LUX in every 20s.
The preferred 200LUX that adopts of described efficient intensity value of turning off the light.
The invention has the beneficial effects as follows: method of the present invention is applicable to all lamp control systems, and need not change the structure of original lamp, only the program setting of the method need be given the controlling organization (single-chip microcomputer in the lamp, logic control circuit etc.), just can realize that lamp turns on light voluntarily and turn off the light according to light intensity, the more important thing is that method of the present invention is when distinguishing the light light intensity, added the notion of judging the unit interval of light intensity, utilize natural daylight light to have progressive the brightening or deepening of continuing usually, become big gradually or diminish the slow trend that changes so the light intensity of its light is; But not the natural daylight light intensity can become big suddenly significantly or diminish, and and then gets back to original position again suddenly, and perhaps diminishing suddenly or becoming is irregular characteristics greatly, distinguishes non-natural daylight interference light intensity and natural daylight light intensity, thereby reaches the purpose of turning on light accurately and turning off the light.Utilize this kind method can get rid of the state that reaches the Push And Release of lamp by people's console switch, forget easily and turn on light or turn off the light; Particularly can be again not make troubles or not have to the pedestrian and decorate and advertising results, more can not turn off the light, and bring waste of power resources, have the effect of safety and environmental protection because of forgetting because forgetting open lamp.In sum, control method of the present invention also is applicable to indoor various family and does the public illumination power field applicable to street lamp, decorative lamp or garden lamp field; And it is all suitable to all LED lamps, fluorescent lamp, straight lamp, gaseous discharge lamp.Control method of the present invention, get rid of non-natural daylight and disturbed light intensity, so can be because of not have shelter to occur suddenly around the lamp time, have when artificially deliberately blocking lamp, set up the reflection interference that other light sources of turning on light produce and the reflection interference of turning on light back self near the lamp when existing and the purpose of intelligent control has really been accomplished in wrong suddenly turning on light automatically or turn off the light.
Description of drawings
Fig. 1 is control logic figure of the present invention.
Embodiment
Embodiment 1
A kind of method of present embodiment indication with natural daylight control headlamp switch of anti-non-natural daylight interference, it uses on decorative lamp or garden lamp, and its controlled step is mainly:
1) set the parameter of lamp internal control mechanism at first according to demand: setting the minimum intensity of light value of turning on light is 80LUX, and the unit interval is 20 s, and threshold values is 10LUX/20s, and the efficient intensity value of turning off the light is 200 LUX.
The wherein said unit interval is meant the blanking time of the each inductive operation of light-inductive device that controlling organization sets;
Described minimum intensity of light value of turning on light be meant that controlling organization sets under the situation that does not have non-natural daylight to disturb, carry out the critical value of the operation of turning on light or turn off the light in theory;
Described threshold values is meant that controlling organization sets is used for distinguishing natural daylight light intensity and non-natural daylight and disturbs light intensity, natural daylight intensity variations decision content in adjacent in theory two unit interval;
Described efficient intensity value of turning off the light be meant that controlling organization sets at the state of turning on light, get rid of non-natural daylight light intensity after, the reference value of just turning off the light when the natural daylight light intensity reaches this value in theory.
2) lamp is under the turn-off, as shown in Figure 1, obtains the light intensity value of extraneous light in the unit interval, judge and handle, with light intensity value 〉=minimum intensity of light value of turning on light of extraneous light or＜the minimum intensity of light value of turning on light is a foundation, the execution operation of turning on light or turn off the light.
When extraneous weather slowly grows dark, the light intensity value that obtains 20s extraneous light in the time by the light-inductive device is 300 LUX, even also during＞300 LUX, controlling organization receives this numerical value and it is judged and is treated to: the light intensity variable quantity 300 LUX＞minimum intensity of light value of turning on light 80 LUX of extraneous light in the 20s time, at this moment, controlling organization does not send the instruction of turning on light and gives actuator, so actuator's inoperation, lamp is in turn-off.
The light-inductive device is still once responded to the data that work and controlling organization still obtain with each light-inductive device with every interval 20s then, and it is handled and the work judged continues to be undertaken by the preceding method circulation; Secretly respond to up to extraneous light to passing through the light-inductive device, when first 20s obtains extraneous light in the time light intensity value is 79 LUX, controlling organization receives to be judged behind this numerical value and handles discovery: the 79 LUX＜minimum intensity of light value of turning on light 80 LUX, controlling organization continue to wait for received the light intensity value of extraneous light in the next 20s time and judged and handle this moment, if for the second time the light intensity value of the extraneous light that receives in the 20s rise to 90 LUX(again in addition when bigger), this numerical value＞minimum intensity of light value of turning on light 80 LUX, the state of light intensity value＜minimum intensity of light value of turning on light of extraneous light in the unit interval that occurs for the first time before this is described, be that chaff interference blocks and causes the light deepening, that is to say and be not due to the natural daylight deepening, (probably be by there being shelter to occur around the lamp suddenly, perhaps have due to the reasons such as artificially deliberately blocking lamp), so be not the state that really need light a lamp, this moment, controlling organization did not send the instruction of turning on light to actuator, so actuator's inoperation, lamp is in turn-off.
This moment, the light-inductive device was still once responded to the data that work and controlling organization still obtain with each light-inductive device with every interval 20s, and it is handled and the work judged continues to be undertaken by the preceding method circulation.
When another light intensity value that obtains extraneous light in time at 20s is 79 LUX, judge the light intensity value 79 LUX＜minimum intensity of light value of turning on light 80 LUX of extraneous light in this 20s, controlling organization continue to wait for received the light intensity value of extraneous light in the next 20s time and judged and handle this moment, the light intensity value 79LUX of extraneous light in the ensuing 20s that once receives, (perhaps receive than preceding once littler ambient light line light intensity value, such as being 70LUX),＜minimum intensity of light the value of turning on light 80 LUX, explanation is that environment is in deepening gradually, the state that need light a lamp, this moment, controlling organization was sent out the instruction of turning on light to actuator, so actuator automatically performs the operation of turning on light.
3) after lamp is in the state of turning on light, as shown in Figure 1, obtain the light intensity value of extraneous light in each unit interval, judge then and handle, poor with the light intensity value of extraneous light in the unit interval of obtaining for the first time and the minimum intensity of light value of turning on light, later at every turn all with the light intensity value of extraneous light in the back unit interval of obtaining and in the last unit interval difference of the light intensity value of extraneous light not as the variable quantity of extraneous light intensity; Whether be in (the threshold values that sets with extraneous intensity variations amount, + threshold values) (comprising given figure) disturbs the variable quantity of light intensity and actual light intensity value of turning off the light that the efficient intensity value of turning off the light adds up and turns off the light or continue to turn on light as execution as the basis for estimation that judges whether to natural daylight light intensity or non-natural daylight interference light intensity with the non-natural daylight that obtains at every turn in the excursion.
Obtain in first 20s by the light-inductive device, the light intensity of extraneous light is 150 LUX, controlling organization obtains data and handles and obtains 20s in the time, the light intensity variable quantity of extraneous light is 150-80=+70 LUX, the light intensity that extraneous light is described is for brightening suddenly, exceeded set (10, + 10) in the excursion (comprising given figure), so being non-natural daylight, the light intensity of the extraneous light that this obtains disturbs light intensity, rather than (probably be due to really weather brightens owing to there is the light source of outer highlight lamp to produce reflection around the lamp suddenly, or owing to lamp from producing in moment of lighting due to the reason such as reflection), + 70 LUX just are the variable quantity that non-natural daylight disturbs light intensity, the actual light intensity value of turning off the light just is changed to :+70+200=270 LUX, controlling organization was judged and was drawn this moment: light intensity 150 LUX of the extraneous light＜actual light intensity value of turning off the light 270 LUX, result is: controlling organization does not send the instruction of turning off the light and gives actuator, so actuator's inoperation, lamp still is in the state of turning on light, and the light-inductive device is still once responded to the data that work and controlling organization still obtain with each light-inductive device with every interval 20s, and it is handled and the work judged continues to be undertaken by the preceding method circulation.
In second 20s, the light intensity of light-inductive device induction and the extraneous light that obtains is 140 LUX, controlling organization obtains data and handles and obtains 20s in the time, the light intensity variable quantity of extraneous light is 140-150=-10 LUX, be positioned in (10 ,+10) excursion that sets (comprising given figure), so the light intensity of this extraneous light that obtains is the natural daylight light intensity, be real weather due to brightening gradually, this moment, the actual light intensity value of turning off the light still was 270 LUX of the gained first time; Controlling organization is judged and is drawn: light intensity 140 LUX of the extraneous light＜actual light intensity value of turning off the light 270 LUX, result is: controlling organization does not send the instruction of turning off the light and gives actuator, so actuator's inoperation, lamp still is in the state of turning on light, and the light-inductive device is still once responded to the data that work and controlling organization still obtain with each light-inductive device with every interval 20s, and it is handled and the work judged continues to be undertaken by the preceding method circulation.
In the 3rd 20s, the light intensity of light-inductive device induction and the extraneous light that obtains is 180 LUX, controlling organization obtains data and handles and obtains 20s in the time, the light intensity variable quantity of extraneous light is 180-140=+40 LUX, the light intensity that the extraneous light that this measures is described is again for brightening suddenly, exceeded set (10, + 10) in the excursion (comprising given figure), so the light intensity of the extraneous light that this obtains is also disturbed light intensity for non-natural daylight, rather than (probably be due to really weather brightens owing to there is the light source of outer highlight lamp to produce reflection around the lamp suddenly, or owing to lamp from producing in moment of lighting due to the reason such as puberty), + 40 LUX just are the variable quantity that non-natural daylight disturbs light intensity, the actual light intensity value of turning off the light just is changed to :+40+270=310 LUX, controlling organization was judged and was drawn this moment: light intensity 180 LUX of the extraneous light＜actual light intensity value of turning off the light 310 LUX, result is: controlling organization does not send the instruction of turning off the light and gives actuator, so actuator's inoperation, lamp still is in the state of turning on light, and the light-inductive device is still once responded to the data that work and controlling organization still obtain with each light-inductive device with every interval 20s, and it is handled and the work judged continues to be undertaken by the preceding method circulation.
In the 4th 20s, the light intensity of light-inductive device induction and the extraneous light that obtains is 190LUX, controlling organization obtains data and handles and obtains 20s in the time, the light intensity variable quantity of extraneous light is 190-180=+10 LUX, be positioned at set (10, + 10) in the excursion (comprising given figure), so the light intensity of the extraneous light that this obtains is the natural daylight light intensity, be real weather due to brightening gradually, this moment, the actual light intensity value of turning off the light still adopted the interior actual light intensity value of turning off the light 310 LUX of the 3rd 20s; Controlling organization is judged and is drawn: light intensity 190 LUX of the extraneous light＜actual light intensity value of turning off the light 310 LUX, result is: controlling organization does not send the instruction of turning off the light and gives actuator, so actuator's inoperation, lamp still is in the state of turning on light, and the light-inductive device is still once responded to the data that work and controlling organization still obtain with each light-inductive device with every interval 20s, and it is handled and the work judged continues to be undertaken by the preceding method circulation.
In the 5th 20s, the light intensity of light-inductive device induction and the extraneous light that obtains is 187LUX, controlling organization obtains data and handles and obtains 20s in the time, the light intensity variable quantity of extraneous light is 187-190=-3 LUX, be positioned at set (10, + 10) in the excursion (comprising given figure), so the light intensity of the extraneous light that this obtains is the natural daylight light intensity, be real weather due to brightening gradually, this moment, the actual light intensity value of turning off the light still adopted the interior actual light intensity value of turning off the light 310 LUX of the 3rd 20s; Controlling organization is judged and is drawn: light intensity 187 LUX of the extraneous light＜actual light intensity value of turning off the light 310 LUX, result is: controlling organization does not send the instruction of turning off the light and gives actuator, so actuator's inoperation, lamp still is in the state of turning on light, and the light-inductive device is still once responded to the data that work and controlling organization still obtain with each light-inductive device with every interval 20s, and it is handled and the work judged continues to be undertaken by the preceding method circulation.
In the 6th 20s, the light intensity of light-inductive device induction and the extraneous light that obtains is 137LUX, controlling organization obtains data and handles and obtains 20s in the time, the light intensity variable quantity of extraneous light is 137-187=-50 LUX, the light intensity that the extraneous light that this measures is described is unexpected deepening, exceeded set (10, + 10) in the excursion (comprising given figure), so the light intensity of the extraneous light that this obtains is also disturbed light intensity for non-natural daylight, rather than (probably be due to the real weather deepening owing to there is shelter to occur around the lamp suddenly, perhaps have due to the reasons such as artificially deliberately blocking lamp),-50 LUX just are the variable quantity that non-natural daylight disturbs light intensity, the actual light intensity value of turning off the light just is changed to: the actual light intensity value of turning off the light 310=260 in the-50+three 20s, controlling organization was judged and was drawn this moment: light intensity 137 LUX of extraneous light＜actual light intensity value of turning off the light 260, result is: controlling organization does not send the instruction of turning off the light and gives actuator, so actuator's inoperation, lamp still is in the state of turning on light, and the light-inductive device is still once responded to the data that work and controlling organization still obtain with each light-inductive device with every interval 20s, and it is handled and the work judged continues to be undertaken by the preceding method circulation.
In the 7th 20s, the light intensity of light-inductive device induction and the extraneous light that obtains is 197LUX, controlling organization obtains data and handles and obtains 20s in the time, the light intensity variable quantity of extraneous light is 197-137=+60 LUX, exceeded set (10, + 10) in the excursion (comprising given figure), control system can judge that still the light intensity of the extraneous light that this obtains is that non-natural daylight disturbs light intensity.The actual light intensity value of turning off the light just is changed to: the actual light intensity value of turning off the light 260=320 LUX in the 6th 20s of+60+, controlling organization was judged and was drawn this moment: light intensity 207 LUX of the extraneous light＜actual light intensity value of turning off the light 320 LUX, result is: controlling organization does not send the instruction of turning off the light and gives actuator, so actuator's inoperation, lamp still is in the state of turning on light, and the light-inductive device is still once responded to the data that work and controlling organization still obtain with each light-inductive device with every interval 20s, and it is handled and the work judged continues to be undertaken by the preceding method circulation.If (in fact this secondary data is compared with recent natural daylight light intensity value before (the 5th time) variable quantity just for set (10, + 10) (comprising given figure) is interior in the excursion, that is to say, if get rid of the 6th interference, this light intensity should be the natural daylight light intensity of normal ascendant trend, so judgement can bring certain error, though this kind decision errors is very little, and after decision process in can obtain revising, can not influence whole judgement conclusion, can not spend and comprehend, if but expect more correct judgement, also can further set a determination methods: be judged as the data of obtaining in the 20s of non-natural daylight after disturbing light intensity when the light intensity of extraneous light becomes big suddenly or diminishes at this, need to carry out the judgement of the light intensity variable quantity of extraneous light with the nearest preceding value that once is judged as the natural daylight light intensity, if exceeded set (10, + 10) in the excursion (comprising given figure), thinking that just can be affirmed is that non-natural daylight disturbs light intensity, if but be in set (10, + 10) excursion interior (comprising given figure) is just thought the natural daylight light intensity, as seven 20s of this order, the light intensity variable quantity of extraneous light is actual should to be 197-187=+10, if disturbing does not appear in the 6th 20s as can be seen, this available light with respect to the 5th 20s for the time period trend be the state that slowly raises, should belong to the natural daylight light intensity, and 197 LUX actual light intensity value of turning off the light 310 during 20s still＜the 5th, so still be in the state of turning on light, otherwise can carry out the processing of turning off the light.Because still be in the state of turning on light, thus do not influence after judgement, after judgement in still can ignore this step, proceed by method before.）
In the 8th 20s, the light intensity of light-inductive device induction and the extraneous light that obtains is 207LUX, controlling organization obtains data and handles and obtains 20s in the time, the light intensity variable quantity of extraneous light is 207-197=+10 LUX, be positioned in (10 ,+10) excursion that sets (comprising given figure), so the light intensity of this extraneous light that obtains is the natural daylight light intensity, be real weather due to brightening gradually, this moment, the actual light intensity value of turning off the light still adopted the interior actual light intensity value of turning off the light 320 of the 7th 20s; Controlling organization is judged and is drawn: light intensity 207 LUX of extraneous light＜actual light intensity value of turning off the light 320, result is: controlling organization does not send the instruction of turning off the light and gives actuator, so actuator's inoperation, lamp still is in the state of turning on light, and the light-inductive device is still once responded to the data that work and controlling organization still obtain with each light-inductive device with every interval 20s, and it is handled and the work judged continues to be undertaken by the preceding method circulation.
In the 9th 20s, the light intensity of light-inductive device induction and the extraneous light that obtains is 212LUX, controlling organization obtains data and handles and obtains 20s in the time, the light intensity variable quantity of extraneous light is 212-207=+5 LUX, be positioned in (10 ,+10) excursion that sets (comprising given figure), so the light intensity of this extraneous light that obtains is the natural daylight light intensity, be real weather due to brightening gradually, this moment, the actual light intensity value of turning off the light still adopted the interior actual light intensity value of turning off the light 320 of the 7th 20s; Controlling organization is judged and is drawn: light intensity 212 LUX of extraneous light＜actual light intensity value of turning off the light 320, result is: controlling organization does not send the instruction of turning off the light and gives actuator, so actuator's inoperation, lamp still is in the state of turning on light, and the light-inductive device is still once responded to the data that work and controlling organization still obtain with each light-inductive device with every interval 20s, and it is handled and the work judged continues to be undertaken by the preceding method circulation.
Next the tenth 20s, the 12 20s ... or the like, the data that the light-inductive device of present embodiment obtains, obtain data and handle through controlling organization and obtain: the light intensity value of the extraneous light that all previous 20s obtain with after the difference of light intensity value of the extraneous light that obtains of 20s all be positioned at set (10, + 10) in the excursion (comprising given figure), so can judge and be the natural daylight light intensity, be real weather due to brightening gradually, it is constant that this moment, the actual light intensity value of turning off the light continued to adopt the interior actual light intensity value of turning off the light 320 of the 7th 20s; When light intensity value＞actual light intensity value of turning off the light of the extraneous light that obtains, as last numerical value, for example after data obtain, the light intensity value that obtains extraneous light become greater to gradually 320LUX or＞this value; Controlling organization was judged and drawn this moment: light intensity 320LUX=actual light intensity value of turning off the light 320 of extraneous light, result is: controlling organization sends the instruction of turning off the light and gives actuator, the operation so the direct execution of actuator is turned off the light.
At this moment, lamp is in turn-off again, enter the process that needs judgment processing whether to turn on light again, that is to say that the light-inductive device still once responds to the data that work and controlling organization still obtain with each light-inductive device with every interval 20s, it handled and the work judged again set by step 2) carry out.
Embodiment 2
A kind of method of present embodiment indication with natural daylight control headlamp switch of anti-non-natural daylight interference, it uses on indoor lamp, its control method and step are with embodiment 1, the difference of itself and embodiment 1 is: the parameter of the setting of lamp internal control mechanism is: setting the minimum intensity of light value of turning on light is 50LUX, unit interval is 10 s, threshold values is 5LUX/20s, and the efficient intensity value of turning off the light is 100 LUX.
Embodiment 3
A kind of method of present embodiment indication with natural daylight control headlamp switch of anti-non-natural daylight interference, it uses on outdoor street lamp, its control method and step are with embodiment 1, the difference of itself and embodiment 1 is: the parameter of the setting of lamp internal control mechanism is, setting the minimum intensity of light value of turning on light is 120LUX, unit interval is 1min, and threshold values is 80LUX/20s, and the efficient intensity value of turning off the light is 400 LUX.
Claims (8)
1. one kind has the method that the natural daylight that resists non-natural daylight to disturb is controlled headlamp switch, it is characterized in that: utilize the natural daylight light intensity value to change mitigation in time, be the trend of gradually changing, but not the variation of natural daylight light intensity is lofty, change irregular characteristics in time, by obtaining the light intensity value of extraneous light in the unit interval, the light intensity value of extraneous light and the light intensity variable quantity of adjacent cells light in the time are judged, analyzed and handle as the foundation of distinguishing natural daylight and non-natural daylight, thereby utilize natural daylight control headlamp switch.
2. a kind of method with natural daylight control headlamp switch of anti-non-natural daylight interference as claimed in claim 1 is characterized in that comprising following controlled step:
1) sets the parameter of lamp internal control mechanism at first according to demand: comprise unit interval, the minimum intensity of light value of turning on light, threshold values and the efficient intensity value of turning off the light;
The wherein said unit interval is meant the blanking time of the each inductive operation of light-inductive device that controlling organization sets;
Described minimum intensity of light value of turning on light be meant that controlling organization sets under the situation that does not have non-natural daylight to disturb, carry out the critical value of the operation of turning on light or turn off the light in theory;
Described threshold values is meant that controlling organization sets is used for distinguishing natural daylight light intensity and non-natural daylight and disturbs light intensity, natural daylight intensity variations decision content in adjacent in theory two unit interval;
Described efficient intensity value of turning off the light be meant that controlling organization sets at the state of turning on light, get rid of non-natural daylight light intensity after, the reference value of just turning off the light when the natural daylight light intensity reaches this value in theory;
When 2) lamp is in turn-off, obtain the light intensity value of extraneous light in the unit interval, judge and handles, with light intensity value 〉=minimum intensity of light value of turning on light of extraneous light or＜the minimum intensity of light value of turning on light is a foundation, the execution operation of turning on light or turn off the light;
3) after lamp is in the state of turning on light, obtain the light intensity value of extraneous light in each unit interval, judge then and handle, poor with the light intensity value of extraneous light in the unit interval of obtaining for the first time and the minimum intensity of light value of turning on light, later at every turn all with the light intensity value of extraneous light in the back unit interval of obtaining and in the last unit interval difference of the light intensity value of extraneous light not as the variable quantity of extraneous light intensity; Whether be in (the threshold values that sets with extraneous intensity variations amount, + threshold values) (comprising given figure) disturbs the variable quantity of light intensity and actual light intensity value of turning off the light that the efficient intensity value of turning off the light adds up and turns off the light or continue to turn on light as execution as the basis for estimation that judges whether to natural daylight light intensity or non-natural daylight interference light intensity with the non-natural daylight that obtains at every turn in the excursion.
3. a kind of method as claimed in claim 2 with natural daylight control headlamp switch of anti-non-natural daylight interference, it is characterized in that described step 2) be: a, when lamp is in turn-off, obtain the light intensity value of extraneous light in the unit interval through the light-inductive device; B, controlling organization receiving light power value and judge and handle then: when light intensity value＜minimum intensity of light value of turning on light of extraneous light, return the operation that step a obtains the light intensity value of extraneous light in the next unit interval; If the continuous quadratic result is light intensity value＜minimum intensity of light value of turning on light of extraneous light, controlling organization sends instructions to actuator, carry out the operation of turning on light, otherwise controlling organization does not send instructions to actuator, lamp still is in turn-off, and continues backspace step a and carry out repetitive operation.
4. a kind of method as claimed in claim 2 with natural daylight control headlamp switch of anti-non-natural daylight interference, it is characterized in that described step 3) is: after a, lamp are in the state of turning on light, obtain the light intensity value of extraneous light in the unit interval through the light-inductive device; B is controlling organization receiving light power value and judge and handle then: with the difference of the light intensity value of extraneous light in the unit interval of obtaining for the first time and the minimum intensity of light value of the turning on light variable quantity as extraneous light intensity, when the variable quantity of extraneous light intensity is in the (threshold values that sets, + threshold values) excursion is when interior (comprising given figure), this external world's light intensity is the natural daylight light intensity just, disturbs light intensity otherwise be non-natural daylight; C, after then each all with the light intensity value of extraneous light in the back unit interval of obtaining and in the last unit interval difference of the light intensity value of extraneous light not as the variable quantity of extraneous light intensity; When being in (threshold values ,+threshold values) excursion that sets (comprising given figure) when the variable quantity of extraneous light intensity, this external world's light intensity be the natural daylight light intensity just, otherwise is non-natural daylight interference light intensity; D, the non-natural daylight that will at every turn obtain then disturb the variable quantity of light intensity and the efficient intensity value of turning off the light to add up and obtain the actual light intensity value of turning off the light; E, when the light-inductive device obtains light intensity value 〉=actual light intensity value of turning off the light of extraneous light in the unit interval, actuator automatically performs the operation of turning off the light; Otherwise actuator's inoperation, lamp still are in the state of turning on light.
5. a kind of method as claimed in claim 2 with natural daylight control headlamp switch of anti-non-natural daylight interference, it is characterized in that: described minimum intensity of light value of turning on light adopts the arbitrary value in 50-200LUX; The described unit interval is the 5s-arbitrary value of 1min in the time, and threshold values adopts the arbitrary value that changes in every 5s-1min among 5-100LUX; Described efficient intensity value of turning off the light adopts the arbitrary value among 50-500LUX.
6. a kind of method with natural daylight control headlamp switch of anti-non-natural daylight interference as claimed in claim 5, it is characterized in that: described minimum intensity of light value of turning on light adopts 80LUX.
7. a kind of method as claimed in claim 5 with natural daylight control headlamp switch of anti-non-natural daylight interference, it is characterized in that: the described unit interval is 20s, threshold values adopts and changes 10LUX in every 20s.
8. a kind of method with natural daylight control headlamp switch of anti-non-natural daylight interference as claimed in claim 5, it is characterized in that: described efficient intensity value of turning off the light adopts 200LUX.
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| CN2011101401208A CN102300360B (en) | 2011-05-27 | 2011-05-27 | Lamp switch natural light control method with non-natural light interference resistance |
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