CN106163039A - A kind of light fixture with constant luminous flux and light-dimming method thereof - Google Patents
A kind of light fixture with constant luminous flux and light-dimming method thereof Download PDFInfo
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- CN106163039A CN106163039A CN201510191758.2A CN201510191758A CN106163039A CN 106163039 A CN106163039 A CN 106163039A CN 201510191758 A CN201510191758 A CN 201510191758A CN 106163039 A CN106163039 A CN 106163039A
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- light
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- luminous flux
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Abstract
The invention discloses a kind of light fixture, a kind of light fixture with constant luminous flux and be applicable to the light-dimming method of this light fixture, the described light fixture with constant luminous flux includes: what luminous component electrically connected with described luminous component controls device and for sensing the optical sensor of the light intensity of its position, described optical sensor is electrically connected with described control device, and is regulated the output light flux of described luminous component by described control device；The present invention is on described light fixture or is arranged around an optical sensor, output light flux or light intensity for detection light fixture in real time, and by controlling brightness or the luminous flux of device regulation luminous component, it is achieved light fixture, with constant luminous flux brightness output, also plays the effect of prolonging service lives of lamps simultaneously.
Description
Technical field
The present invention relates to a kind of light fixture, a kind of light fixture with constant luminous flux and tune thereof
Light method.
Background technology
At present, LED common on market or light fixture are during using, during along with lighting
Between increase, aging due to the characteristic of luminous component or light transparent member etc., lamp or the light of light fixture
Flux can progressively decline, say, that the brightness of lamp or light fixture can be along with the increase in service life
And reduce.General, the downward trend of the luminous flux of light fixture is negative exponent trend, to such an extent as to
Some occasion does not reaches stable using effect, the most not only can affect people normal work and
Life, also can affect the mood of user.It is normally defined when the luminous flux of lamp or light fixture drops to
Its initial luminous flux 70% or 50% time, the life-span of this lamp or light fixture also just ends.This defect
Cause user to need regularly and replace lamp or light fixture, considerably increase living cost.
Summary of the invention
The technical problem to be solved there is provided a kind of light fixture, its whole at light fixture
In life cycle, all with the light fixture of constant luminous flux output, it also has delay light fixture and uses the longevity
The advantage of life.
In order to solve above-mentioned technical problem, present invention employs following technical scheme:
A kind of light fixture with constant luminous flux, including: luminous component, described light fixture also includes:
Electrically connect with described luminous component controls device and for sensing the light intensity of its position
Optical sensor, described optical sensor is electrically connected with described control device, and by described control
Device processed regulates the output light flux of described luminous component.
Wherein, described light fixture also includes the lamp panel for disposing described luminous component, and described light passes
Sensor is arranged on described lamp panel.
Wherein, described luminous component be provided around lamp housing, described optical sensor is arranged on described
Inside lamp housing.
Wherein, be provided with one inside described lamp housing and be in the light groove, described in be in the light the notch of groove towards described
Luminous component, described optical sensor be arranged on described in be in the light in groove.
Wherein, described lamp housing is printing opacity or semi transparent material is made.
Wherein, described control device includes: the Transformer Rectifier circuit that is connected with power supply and
For regulating described luminous component brightness or the light adjusting circuit of output light flux, described light adjusting circuit
Being electrically connected with described Transformer Rectifier circuit and described optical sensor respectively, described light adjusting circuit connects
Receive the light intensity signal from described optical sensor.
Wherein, the quantity of described sensor is more than or equal to 1.
Wherein, described optical sensor is active light sensor or passive optical sensors.
Wherein, described luminous component is LED.
The light-dimming method of a kind of light fixture with constant luminous flux, comprises the following steps:
S1: described optical sensor senses the light intensity at its position, and by described light intensity
Signal sends described control device to；
S2: described control device receives described light intensity signal, and big according to described light intensity
Little, regulate voltage or the electric current at the two ends of described luminous component, thus regulate described luminous component
Output light flux so that it is output one constant luminous flux.
Wherein, described control device is provided with an initial luminous flux, and described control device is according to described
Difference between light flux values and described initial luminous flux that light intensity signal is corresponding is to described luminescence
The output light flux of parts compensates regulation.
Wherein, when described sensor is multiple, multiple described light are sensed by described control device
The light intensity signal that device transmits makees average value processing, and according to light flux values corresponding to this average and institute
The difference stated between initial luminous flux compensates tune to the output light flux of described luminous component
Joint.
Wherein, described initial luminous flux is described luminous component when lighting first, and described light senses
The light flux values that light intensity that device senses is corresponding.
Wherein, described initial luminous flux is the 70%-80% of described luminous component nominal light flux.
Compared with prior art, the beneficial effects of the present invention is:
1, the present invention is by optical sensor and the setting of control device, it is achieved lead to luminous component light
The regulation of amount so that it is output one constant luminous flux or maintain constant brightness；
2, maintain light fixture to illuminate with constant luminous flux due to the present invention, have and can extend light fixture
The feature in service life.
3, present configuration is simple, easy for installation；
4, the light-dimming method of the present invention is convenient and facilitates implementation, and also meets intelligent light fixture simultaneously
Demand.
Accompanying drawing explanation
Fig. 1 is the structure chart of a kind of light fixture with constant luminous flux of the embodiment of the present invention；
Fig. 2 is the profile of a kind of light fixture with constant luminous flux of the embodiment of the present invention；
Fig. 3 is the structure chart controlling device in the embodiment of the present invention；
Fig. 4 is the luminous flax curve of a kind of light fixture with constant luminous flux of the embodiment of the present invention
Figure.
Description of reference numerals
1-optical sensor 2-lamp panel
3-luminous component 4-controls device
5-lamp housing 6-light-passing board
Detailed description of the invention
With specific embodiment, the present invention is described in further detail below in conjunction with the accompanying drawings, but does not makees
For limitation of the invention.
As depicted in figs. 1 and 2, for a kind of lamp with constant luminous flux of the embodiment of the present invention
The structure chart of tool and profile, described light fixture includes: lamp panel 2, be arranged on described lamp panel 2
Luminous component 3 and control device 4, described luminous component 3 is electrically connected with described control device 4 phase
Connect；Described control device 4 regulates output light flux or the brightness of described luminous component 3；Described
The light fixture with constant luminous flux also includes one for sensing the light of the intensity of illumination of its position
Sensor 1；Described optical sensor 1 can be arranged on described light fixture or described adjacent lamp, excellent
Choosing, described optical sensor 1 is arranged on a position not affected by external light source, Ke Yi
Being provided with lamp housing 5 on described lamp panel 2, described optical sensor can be arranged on inside described lamp housing 5
One be in the light in groove, described in be in the light the opening of groove towards luminous component 3；Described lamp housing 5 can be by
Printing opacity or semi transparent material are made；Also can cover on described lamp housing 5 and set a light-passing board 6, prevent dust
Fall into, described light-passing board can have astigmatism functions, it is achieved preferably radiation response；Described
The shape of lamp panel 2 can be square or circular, it is also possible to is other arbitrary shapes, such as this enforcement
Example is circular.Optical sensor 1 described in the present embodiment can be active light sensor or passive
Optical sensor.
As it is shown on figure 3, the described control device 4 in the present embodiment includes: be connected with power supply
Transformer Rectifier circuit and for regulating the light adjusting circuit of described light fixture output light flux, institute
State light adjusting circuit to be electrically connected with described Transformer Rectifier circuit and described optical sensor 1 respectively, institute
State light adjusting circuit and receive the intensity of illumination signal from described optical sensor 1, process by analysis,
Regulate the luminous flux of described luminous component so that it is keep output one constant luminous flux.Additionally when
When described optical sensor is active sensor, described Transformer Rectifier circuit also to sense with described light
Device is connected, to provide power supply.
The light-dimming method of the light fixture with constant luminous flux described in the present embodiment, including following
Step:
S1: the light intensity at its position is surveyed in described optical sensor sense 1, and by described light intensity
Degree signal sends described control device 4 to；
S2: described control device receives described light intensity signal, and big according to described light intensity
Little, regulate voltage or the electric current at the two ends of described luminous component 3, thus regulate described illuminating part
The output light flux of part 3 so that it is output one constant luminous flux.
Wherein, described light adjusting circuit is provided with an initial luminous flux, and described initial luminous flux can be
When described luminous component is lighted first, the light that light intensity that described optical sensor sense 1 measures is corresponding
Amount of flux, preferred described initial luminous flux can also be described luminous component nominal light flux
70%-80%.Described light adjusting circuit according to light flux values corresponding to described light intensity signal with described at the beginning of
Difference between beginning luminous flux compensates regulation to the output light flux of described luminous component；When
When described sensor is multiple, the light intensity that multiple described optical sensors are transmitted by described light adjusting circuit
Degree average value processing, and according between the light flux values corresponding to this average and described initial luminous flux
Difference the output light flux of described luminous component is compensated regulation, make described luminous component
The luminous flux keeping stable exports.
As shown in Figure 4, for the luminous flax curve figure of the light fixture with constant luminous flux of the present embodiment,
Wherein with existing LED as a comparison, figure 4, it is seen that curve a represents existing
The luminous flux attenuation curve of LED, along with the growth in the service life of LED, existing
The luminous flux of LED is gradually reduced from initial value, when output light flux is the 50% of initial luminous flux
Or when 70%, be defined as the end of a period of this LED life-span, cannot be further continued for employing；Curve b table
Show the luminous flax curve of LED in the embodiment of the present invention, through optical sensor 1 and light modulation electricity
The mating reaction on road, compensates the luminous flux of described LED so that it is luminous flux is always maintained at
It it is 100% initial luminous flux.It will be apparent that compared with curve a, embodiments of the invention, not only
LED lamplight flux is made to be constantly in stable original state, simultaneously because luminous flux significantly drops
Low, also make extend the service life of LED, decrease living cost.Additionally the moon in figure
Shadow part represent by light sensors to the decline of luminous flux and the compensation section taked
Point, the life-span of whole light fixture depends on possible maximum compensation dosage c.As a preferred version, this
In embodiment, the initial luminous flux of LED is the 70%-80% of its nominal light flux, in general,
The highlight flux (maximum current that can be born by LED determines) of LED can exceed normal light and lead to
Amount 20%-30%, therefore, maximum compensation dosage c is about the 50% of initial luminous flux.So can
The stablizing effect of the luminous flux of the LED in the longer time (light fixture) reached becomes apparent from, the longevity
Life extends effect and also becomes apparent from.
In sum, the present invention is on described light fixture or is arranged around an optical sensor, for real
Time detection light fixture output light intensity, and by the control dress of the light intensity feedback that detects to light fixture
Put, to regulate its brightness or luminous flux, it is achieved light fixture exports brightness with constant luminous flux；Due to
The present invention maintains light fixture to illuminate with constant luminous flux, has and can extend light fixture service life
Feature, the present invention also has simple in construction, feature easy for installation.
Above example is only the exemplary embodiment of the present invention, is not used in the restriction present invention, this
The protection domain of invention is defined by the claims.Those skilled in the art can be the present invention's
In essence and protection domain, the present invention is made various amendment or equivalent, this amendment or
Equivalent also should be regarded as being within the scope of the present invention.
Claims (14)
1. there is a light fixture for constant luminous flux, including: luminous component, it is characterised in that:
Described light fixture also includes: the control device electrically connected with described luminous component and is for sensing it
The optical sensor of the light intensity of position, described optical sensor is electrically connected mutually with described control device
Connect, and regulated the output light flux of described luminous component by described control device.
The light fixture with constant luminous flux the most according to claim 1, it is characterised in that:
Described light fixture also includes the lamp panel for disposing described luminous component, and described optical sensor is arranged on
On described lamp panel.
The light fixture with constant luminous flux the most according to claim 1, it is characterised in that:
Described luminous component be provided around lamp housing, described optical sensor is arranged on inside described lamp housing.
The light fixture with constant luminous flux the most according to claim 3, it is characterised in that:
Be provided with one inside described lamp housing to be in the light groove, described in the be in the light notch of groove towards described luminous component,
Described optical sensor is in the light in groove described in being arranged on.
The light fixture with constant luminous flux the most according to claim 3, it is characterised in that:
Described lamp housing is printing opacity or semi transparent material is made.
The light fixture with constant luminous flux the most according to claim 1, it is characterised in that:
Described control device includes: the Transformer Rectifier circuit that is connected with power supply and for regulating
Stating the light adjusting circuit of luminous component brightness or output light flux, described light adjusting circuit is respectively with described
Transformer Rectifier circuit and described optical sensor are electrically connected, and described light adjusting circuit receives from described
The light intensity signal of optical sensor.
The light fixture with constant luminous flux the most according to claim 1, it is characterised in that:
The quantity of described sensor is more than or equal to 1.
The light fixture with constant luminous flux the most according to claim 1, it is characterised in that:
Described optical sensor is active light sensor or passive optical sensors.
The light fixture with constant luminous flux the most according to claim 1, it is characterised in that:
Described luminous component is LED.
10. one kind based on having constant luminous flux as described in any one in claim 1-9
The light-dimming method of light fixture, it is characterised in that: comprise the following steps:
S1: described optical sensor senses the light intensity at its position, and by described light intensity
Signal sends described control device to；
S2: described control device receives described light intensity signal, and big according to described light intensity
Little, regulate voltage or the electric current at the two ends of described luminous component, thus regulate described luminous component
Output light flux so that it is output one constant luminous flux.
11. light-dimming methods according to claim 10, it is characterised in that: described control fills
Having installed an initial luminous flux, described control device leads to according to the light that described light intensity signal is corresponding
The output light flux of described luminous component is carried out by the difference between value and described initial luminous flux
Compensate regulation.
12. light-dimming methods according to claim 11, it is characterised in that: when described sensing
When device is multiple, the light intensity signal that multiple described optical sensors are transmitted by described control device is made
Average value processing, and according to the difference between corresponding light flux values and the described initial luminous flux of this average
Value compensates regulation to the output light flux of described luminous component.
13. light-dimming methods according to claim 11, it is characterised in that: described initial light
Flux is described luminous component when lighting first, and the light intensity that described optical sensor senses is corresponding
Light flux values.
14. light-dimming methods according to claim 11, it is characterised in that: described initial light
Flux is the 70%-80% of described luminous component nominal light flux.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510191758.2A CN106163039A (en) | 2015-04-21 | 2015-04-21 | A kind of light fixture with constant luminous flux and light-dimming method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510191758.2A CN106163039A (en) | 2015-04-21 | 2015-04-21 | A kind of light fixture with constant luminous flux and light-dimming method thereof |
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| Publication Number | Publication Date |
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| CN106163039A true CN106163039A (en) | 2016-11-23 |
Family
ID=58059006
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510191758.2A Pending CN106163039A (en) | 2015-04-21 | 2015-04-21 | A kind of light fixture with constant luminous flux and light-dimming method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108235517A (en) * | 2018-01-25 | 2018-06-29 | 深圳民爆光电技术有限公司 | A kind of lighting driving device for protecting eyesight |
| CN108377589A (en) * | 2016-11-24 | 2018-08-07 | 上海航空电器有限公司 | A kind of lamps and lanterns of perseverance light intensity output |
| CN109268731A (en) * | 2018-08-31 | 2019-01-25 | 深圳市亿兆互联技术有限公司 | A kind of LED street lamp structure based on LoRa |
| CN111343766A (en) * | 2020-03-27 | 2020-06-26 | 北京经纬恒润科技有限公司 | Lighting device and lighting control method |
| CN112393885A (en) * | 2020-11-30 | 2021-02-23 | 宁波市奉化浩轩光电有限公司 | LED light-emitting system for automobile headlight and detection method of LED light-emitting system |
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| CN101478851A (en) * | 2009-01-08 | 2009-07-08 | 复旦大学 | Control method and apparatus for implementing long-term maintained light strength by high power LED tunnel lamp |
| CN102679192A (en) * | 2011-03-11 | 2012-09-19 | 深圳市钧多立实业有限公司 | Intelligent light source without light attenuation |
| CN103298181A (en) * | 2012-02-22 | 2013-09-11 | 北京同步科技有限公司 | LED illuminating device and luminance compensation method thereof |
| CN203734890U (en) * | 2014-01-23 | 2014-07-23 | 深圳中科光华科技有限公司 | Constant illumination light sensation automatic control LED lamp |
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2015
- 2015-04-21 CN CN201510191758.2A patent/CN106163039A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101478851A (en) * | 2009-01-08 | 2009-07-08 | 复旦大学 | Control method and apparatus for implementing long-term maintained light strength by high power LED tunnel lamp |
| CN102679192A (en) * | 2011-03-11 | 2012-09-19 | 深圳市钧多立实业有限公司 | Intelligent light source without light attenuation |
| CN103298181A (en) * | 2012-02-22 | 2013-09-11 | 北京同步科技有限公司 | LED illuminating device and luminance compensation method thereof |
| CN203734890U (en) * | 2014-01-23 | 2014-07-23 | 深圳中科光华科技有限公司 | Constant illumination light sensation automatic control LED lamp |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108377589A (en) * | 2016-11-24 | 2018-08-07 | 上海航空电器有限公司 | A kind of lamps and lanterns of perseverance light intensity output |
| CN108235517A (en) * | 2018-01-25 | 2018-06-29 | 深圳民爆光电技术有限公司 | A kind of lighting driving device for protecting eyesight |
| CN109268731A (en) * | 2018-08-31 | 2019-01-25 | 深圳市亿兆互联技术有限公司 | A kind of LED street lamp structure based on LoRa |
| CN111343766A (en) * | 2020-03-27 | 2020-06-26 | 北京经纬恒润科技有限公司 | Lighting device and lighting control method |
| CN112393885A (en) * | 2020-11-30 | 2021-02-23 | 宁波市奉化浩轩光电有限公司 | LED light-emitting system for automobile headlight and detection method of LED light-emitting system |
| CN112393885B (en) * | 2020-11-30 | 2023-08-04 | 宁波市奉化浩轩光电有限公司 | LED lighting system for automobile headlight and detection method of LED lighting system |
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Application publication date: 20161123 |