CN104066236B - A kind of lighting fixture being automatically adjusted light - Google Patents
A kind of lighting fixture being automatically adjusted light Download PDFInfo
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- CN104066236B CN104066236B CN201410139924.XA CN201410139924A CN104066236B CN 104066236 B CN104066236 B CN 104066236B CN 201410139924 A CN201410139924 A CN 201410139924A CN 104066236 B CN104066236 B CN 104066236B
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Abstract
The present invention relates to a kind of lighting fixture being automatically adjusted light, including control circuit and light unit, it is characterized in that: more include a light sensing unit, described light sensing unit includes the light-sensing elements and the first resistive element that are connected, described control circuit connects described light sensing unit and described light unit, described control circuit includes at least one sub-control circuit and one second resistive element, described sub-control circuit is by voltage comparator, switch and the 3rd resistive element are connected to form, described 3rd resistive element of described sub-control circuit is connected with described second resistive element.By the present invention, the power of the light that described light unit receives by light-sensing elements, when reversely changing the size of the voltage that the light unit of described light unit receives and consumes and do not bring vision to perplex, to reach when extraneous light is stronger, the voltage that described light unit consumes is less, saves the effect of electric power resource.
Description
Technical field
The present invention relates to light list device, particularly to a kind of lighting fixture being automatically adjusted light for public place.
Background technology
Many public places can arrange light unit, for instance the crossroad of road can arrange light unit as traffic light, and the both sides of road can arrange the lamp illuminated, and can arrange the lamp of illumination in the gallery of corridor.The voltage x current that existing light unit receives due to lamp is fixed, so after the shinny a bit of time, the brightness of light unit is also fixing, the electricity that light unit consumes continues constant within the unit interval.The normal time is such, and the light unit being arranged on these public places needs to consume more electricity.So, when extraneous light is better, the light being arranged on these public places only needs to help out, and now human eye need not just be enough to differentiate the prompting of surrounding or traffic light by too strong light.
In sum, lacking a kind of light unit at present can according to regulating the voltage consumed while extraneous light environmental modulation light light and shade to save the power consumption of public place light unit.
Therefore, the present inventor is engaged in design and the specialty manufacturing experience of association area for many years with it, carries out research improvement for relating to a kind of lighting fixture being automatically adjusted light energetically, finally develops the present invention under each side's condition scrupulous considers.
Summary of the invention
The main purpose of the present invention, is in that to provide a kind of lighting fixture being automatically adjusted light, regulates the light and shade of light to save electric power resource according to extraneous light.
According to one of present invention embodiment, the invention discloses a kind of lighting fixture being automatically adjusted light, including control circuit and light unit, it is characterized in that: more include a light sensing unit, described light sensing unit includes the light-sensing elements and the first resistive element that are connected, described control circuit connects described light sensing unit and described light unit, described control circuit includes at least one sub-control circuit and one second resistive element, described sub-control circuit is by voltage comparator, switch and the 3rd resistive element are connected to form, described 3rd resistive element of described sub-control circuit is connected with described second resistive element；Wherein, described light-sensing elements is photoresistance cell；When the light of local environment of described photoresistance cell a certain moment is brighter, the incident intensity that described photoresistance cell receives is strong, the resistance value of described photoresistance cell is big, then the all-in resistance on described light unit is relatively big, then the voltage that described light unit receives is less；When the dark of a certain moment local environment of described photoresistance cell, the incident intensity that described photoresistance cell receives is weak, the resistance value of described photoresistance cell is little, then the all-in resistance on described light unit is less, then the voltage that described light unit receives is bigger；Wherein, described light unit is used for traffic light；Described light sensing unit connects the in-phase input end of the described voltage comparator of the described sub-control circuit of plural number, the inverting input of the described voltage comparator of described sub-control circuit inputs different size of predeterminated voltage, described complex operator control circuit is three, it is respectively defined as the first sub-control circuit, second sub-control circuit and the 3rd sub-control circuit, the predeterminated voltage of the inverting input input of the voltage comparator of described first sub-control circuit is higher than the predeterminated voltage of the inverting input input of the voltage comparator of described second sub-control circuit, the predeterminated voltage of the inverting input input of the voltage comparator of described second sub-control circuit is higher than the predeterminated voltage of the inverting input input of the voltage comparator of described 3rd sub-control circuit.
According to one of present invention embodiment, described light-sensing elements is light-operated linear resistive element.
According to one of present invention embodiment, the described switch of described sub-control circuit is N-type metal-oxide half field effect transistor.
According to one of present invention embodiment, the described switch of described sub-control circuit is automatic switching switch.
According to one of present invention embodiment, described light unit is traffic lights, and the red light of described traffic lights, green light and amber light are made up of a plurality of LED respectively.
In sum, the power of the light that described light unit receives by light-sensing elements, the light unit reversely changing described light unit receives the size of also attrition voltage, to reach when extraneous light brings vision to perplex more by force and not, the voltage that described light unit consumes is less, saves the effect of electric power resource.
Accompanying drawing explanation
Fig. 1 is the system architecture diagram of the lighting fixture being automatically adjusted light of the present invention.
Fig. 2 is the circuit diagram that the present invention is automatically adjusted the lighting fixture of light.
Accompanying drawing labelling
R0 photoresistance cell, R1 the first resistive element, R2 the second resistive element, R3 the 3rd resistive element, U voltage comparator, M switchs, D lamp.
Detailed description of the invention
This exposure book mainly provides a kind of lighting fixture being automatically adjusted light, by the present invention, the power of the light that described light unit receives by light-sensing elements, the light unit reversely changing described light unit receives the size of also attrition voltage, to reach when extraneous light brings vision to perplex more by force and not, the voltage that described light unit consumes is less, saves the effect of electric power resource.
Embodiments of the present invention can apply to various types of light unit, the example of described light unit can include the lamp of gallery in such as traffic light, road street lamp on both sides of the road and building, and sales field or market etc. need the lamp in the place of bright light day and night even.
Hereinafter, feature and effect of describing the present invention with reference to graphic one of shown preferred embodiment in detail will be coordinated；Refer to the system architecture diagram of the lighting fixture being automatically adjusted light that Fig. 1 and Fig. 2, Fig. 1 are the present invention.Fig. 2 is the circuit diagram that the present invention is automatically adjusted the lighting fixture of light.As shown in Figure 1 and Figure 2, the present invention provides a kind of lighting fixture being automatically adjusted light, including control circuit and light unit, it is characterized in that: more include a light sensing unit, described light sensing unit includes the light-sensing elements and the first resistive element that are connected, described control circuit connects described light sensing unit and described light unit, described control circuit includes at least one sub-control circuit and one second resistive element, described sub-control circuit is by voltage comparator, switch and the 3rd resistive element are connected to form, described 3rd resistive element of described sub-control circuit is connected with described second resistive element.
Described light unit includes plural number lamp, and described plural number lamp can be the traffic lights of LED, daylight lamp and controlled traffic.The described light-sensing elements of described light sensing unit can be light-operated linear resistive element, it is also possible to be photoresistance cell.Light-sensing elements described in the present embodiment is for described photoresistance cell, when the incident illumination light intensity of described photoresistance cell reception is big, the resistance of described photoresistance cell increases, and when the incident illumination light intensity of described photoresistance cell reception is weak, the resistance of described photoresistance cell reduces.The described photoresistance cell of described light sensing unit and described first resistance components in series reach effect of dividing potential drop, when specifically connecting, the cable of described control circuit is connected between described photoresistance cell and described first resistance, power supply from that of described photoresistance cell terminate into, voltage flows to described first resistive element from described photoresistance cell.
Furthermore, described at least one sub-control circuit can be a strip control circuit, two strip control circuits and many strips control circuit, and when described sub-control circuit is two and more than two, the described sub-control circuit of plural number is in being connected in parallel.
The outfan of the described voltage comparator in described sub-control circuit connects described switch, and described switch connects described 3rd resistive element.
When described control circuit only includes a strip control circuit, described sub-control circuit is described control circuit.Now.What the light and shade of described light unit regulated only has described photoresistance cell and a described sub-control circuit co-controlling.When the incident illumination that described photoresistance cell receives changes, article one, the voltage of the in-phase input end input of the described voltage comparator of described sub-control circuit changes, if the voltage that the voltage of the in-phase input end input of described voltage comparator inputs higher than the inverting input of voltage comparator, the then outfan output high level of described comparator, if the voltage that the voltage of the in-phase input end input of described voltage comparator inputs lower than the inverting input of voltage comparator, then the outfan output low level of described comparator.So, the light and shade range of accommodation of described light unit is more general.
When described control circuit includes complex operator control circuit, owing to photoresistance cell and complex operator control circuit can act as the voltage swing regulating input light unit, so the light and shade range of accommodation of light unit becomes big.Specifically, described light sensing unit connects the in-phase input end of the described voltage comparator of the described sub-control circuit of plural number respectively.Wherein, described 3rd resistive element of each described sub-control circuit is connected with described second resistive element.When described light unit runs, the inverting input of the described voltage comparator of each described sub-control circuit inputs different size of predeterminated voltage.Owing to the in-phase input end of the described voltage comparator of each described sub-control circuit is all connected with described light sensing unit, in the same time, described light sensing unit receives incident illumination and voltage by inputting the in-phase input end of the described voltage comparator of each described sub-control circuit after described light sensing unit, namely the voltage of the in-phase input end input of the described comparator of each described sub-control circuit is identical, when the predeterminated voltage that the voltage of the wherein in-phase input end input of the described comparator of a sub-control circuit or many strips control circuit inputs more than default end, correspondingly, the outfan of the described voltage comparator of one sub-control circuit or many strips control circuit exports corresponding high level.If described voltage comparator output high level, then described 3rd resistance in the described sub-control circuit at the described voltage comparator place of described output high level and described second resistance reach the relation of being connected in series.
In the present embodiment, the described sub-control circuit that described control circuit includes, for three, is respectively defined as the first sub-control circuit, the second sub-control circuit and the 3rd sub-control circuit.The predeterminated voltage of the inverting input input of the voltage comparator of described first sub-control circuit is higher than the predeterminated voltage of the inverting input input of the voltage comparator of described second sub-control circuit, and the predeterminated voltage of the inverting input input of the voltage comparator of described second sub-control circuit is higher than the predeterminated voltage of the inverting input input of the voltage comparator of described 3rd sub-control circuit.Along with the incident illumination intensity variation that the described photoresistance cell of described light sensing unit receives, the resistance sizes of described photoresistance cell changes, the voltage of the in-phase input end input of the described voltage comparator of described first, second and third sub-control circuit changes, all-in resistance size on described light unit also changes, then, the voltage swing flowing into described light unit changes, then the light bright-dark degree that described light unit sends changes.When the light of local environment of described photoresistance cell a certain moment is brighter, the incident intensity that described photoresistance cell receives is strong, the resistance value of described photoresistance cell is big, then the all-in resistance on described light unit is bigger, the voltage that then described light unit receives is less, then described light unit is a little dark, and namely described light unit power consumption is little.When the dark of a certain moment local environment of described photoresistance cell, the incident intensity that described photoresistance cell receives is weak, the resistance value of described photoresistance cell is little, then the all-in resistance on described light unit is less, the voltage that then described light unit receives is bigger, then described light unit is brighter, and namely described light unit power consumption is big.
When described light unit is for traffic light, for instance, described light unit is traffic lights, and the red light of described traffic lights, green light are made up of plural number LED respectively.When fine, due to the incident intensity that described photoresistance cell receives, the resistance of described photoresistance cell is big, the voltage that then described traffic lights consume is little, electric power resource can be saved, simultaneously because extraneous light is good, pedestrian can't be affected and receive described traffic lights and send traffic signal.When the surrounding is dark, the incident illumination received due to described photoresistance cell is strong and weak, and the resistance of described photoresistance cell is little, then the voltage that described traffic lights receive is big, and the brightness of described traffic lights is big, receives described traffic lights without influence on pedestrian and sends traffic signal.The described switch of described sub-control circuit can be N-type metal-oxide half field effect transistor, it is also possible to be automatic switching switch.
The present invention can realize advantages below:
By the present invention, the power of the light that described light unit receives by light-sensing elements, when reversely changing the size of the voltage that the light unit of described light unit receives and consumes and do not bring vision to perplex, to reach when extraneous light is stronger, the voltage that described light unit consumes is less, saves the effect of electric power resource.
Only the foregoing is only the preferred embodiments of the invention, be not intended to the scope of patent protection of the limitation present invention, therefore such as use description of the present invention and the equivalence change for it of graphic content institute, be all in like manner all contained within the scope of the rights protection of the present invention, close and give Chen Ming.
Claims (5)
1. the lighting fixture being automatically adjusted light, including control circuit and light unit, it is characterized in that: more include a light sensing unit, described light sensing unit includes the light-sensing elements and the first resistive element that are connected, described control circuit connects described light sensing unit and described light unit, described control circuit includes at least one sub-control circuit and one second resistive element, described sub-control circuit is by voltage comparator, switch and the 3rd resistive element are connected to form, described 3rd resistive element of described sub-control circuit is connected with described second resistive element；Wherein, described light-sensing elements is photoresistance cell；When the light of local environment of described photoresistance cell a certain moment is brighter, the incident intensity that described photoresistance cell receives is strong, the resistance value of described photoresistance cell is big, then the all-in resistance on described light unit is relatively big, then the voltage that described light unit receives is less；When the dark of a certain moment local environment of described photoresistance cell, the incident intensity that described photoresistance cell receives is weak, the resistance value of described photoresistance cell is little, then the all-in resistance on described light unit is less, then the voltage that described light unit receives is bigger；Wherein, described light unit is used for traffic light；Described light sensing unit connects the in-phase input end of the described voltage comparator of the described sub-control circuit of plural number, the inverting input of the described voltage comparator of described sub-control circuit inputs different size of predeterminated voltage, described complex operator control circuit is three, it is respectively defined as the first sub-control circuit, second sub-control circuit and the 3rd sub-control circuit, the predeterminated voltage of the inverting input input of the voltage comparator of described first sub-control circuit is higher than the predeterminated voltage of the inverting input input of the voltage comparator of described second sub-control circuit, the predeterminated voltage of the inverting input input of the voltage comparator of described second sub-control circuit is higher than the predeterminated voltage of the inverting input input of the voltage comparator of described 3rd sub-control circuit.
2. a kind of lighting fixture being automatically adjusted light as claimed in claim 1, it is characterised in that described light-sensing elements is light-operated linear resistive element.
3. a kind of lighting fixture being automatically adjusted light as claimed in claim 1, it is characterised in that the described switch of described sub-control circuit is N-type metal-oxide half field effect transistor.
4. a kind of lighting fixture being automatically adjusted light as claimed in claim 1, it is characterised in that the described switch of described sub-control circuit is automatic switching switch.
5. a kind of lighting fixture being automatically adjusted light as described in any one of claim 3,4, it is characterised in that described light unit is traffic lights, and the red light of described traffic lights, green light and amber light are made up of a plurality of LED respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410139924.XA CN104066236B (en) | 2014-04-09 | 2014-04-09 | A kind of lighting fixture being automatically adjusted light |
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| CN201410139924.XA CN104066236B (en) | 2014-04-09 | 2014-04-09 | A kind of lighting fixture being automatically adjusted light |
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| CN104066236A CN104066236A (en) | 2014-09-24 |
| CN104066236B true CN104066236B (en) | 2016-07-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| TWM538682U (en) * | 2016-11-18 | 2017-03-21 | Prolight Opto Tech Corp | Safety lamp |
| CN107843336A (en) * | 2017-10-25 | 2018-03-27 | 郑州云海信息技术有限公司 | A kind of pilot light shines intensity detecting device and method |
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| CN1885714A (en) * | 2005-06-22 | 2006-12-27 | 因特格瑞特科技有限公司 | Tuning circuit |
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