CN104780640B - Optimizing Control System, the method and lighting device for controlling light source - Google Patents
Optimizing Control System, the method and lighting device for controlling light source Download PDFInfo
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- CN104780640B CN104780640B CN201410013352.0A CN201410013352A CN104780640B CN 104780640 B CN104780640 B CN 104780640B CN 201410013352 A CN201410013352 A CN 201410013352A CN 104780640 B CN104780640 B CN 104780640B
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Abstract
Provided herein is a kind of Optimizing Control System, the method and lighting device of light source are controlled, the Optimizing Control System is configured to respond to the light detected at photoelectric sensor and automatically adjusts the output of light source.Optimizing Control System may include controller, is operatively connected to the photoelectric sensor of controller and be operatively connected to the light source of controller.Photoelectric sensor can be configured as the light that detection is sent from light source, and detect the light produced by other sources.Controller can be configured as being distinguished between the light sent from light source and the light produced by other sources.Controller can be configured to control and adjust the brightness of light source.Controller can alternatively be configured to respond to the detected brightness for controlling and adjusting light source by the light that other sources are produced.
Description
Technical field
The various embodiments of invention as described herein relate generally to a kind of active control system, and it is configured as adjusting
Save brightness, regulation color, and/or the various types of light of detection of light.Embodiments of the invention can be configured to supply photograph
Bright any system（Such as flashlight, head lamp（Headlamp, headlight）, car light etc.）It is middle to implement.
Background technology
Lighting device be used to use the various application scenarios used to physical culture from family, applied to business and outside.According to
The function that bright device is provided is from transmitting a signal to the general illumination to other dimmed regions.Lighting device may be used as the head of vehicle
Lamp（For example, bicycle head lamp）, for being read under the conditions of low light（Such as books lamp or wearable head lamp）, be used for
To dark place（Such as cave）Exploration or countless other purposes.This lighting device can according to their expected purpose
To be of different sizes, weight, power and brightness.Further, the brightness of lighting device can adjust, such as automobile headlamp
Dipped beam/distance light controllability.
Although existing lighting device may include to be configured to light source of the transmitting with manually adjustable illumination intensity,
Inconvenient is that need to repeatedly adjust the brightness of launched light manually for a user, is particularly needed during involved activity
Repeatedly regulation manually.
The content of the invention
Various embodiments of the present invention aim to provide a kind of Optimizing Control System, and it is configured in response in photoelectric sensor
Light that place is detected and the output for automatically adjusting light source.According to some embodiments, Optimizing Control System may include controller, operatively
It is connected to the photoelectric sensor of controller and is operatively connected to the light source of controller.Photoelectric sensor can be configured as inspection
Light that is being sent from light source and being reflected to photoelectric sensor is surveyed, and detects the light produced by other sources.Controller can by with
It is set to being sent from light source and be reflected to light of the light of photoelectric sensor with being produced by other sources and distinguish.Controller can
It is configured to control and adjusts the brightness of light source.Controller can alternatively be configured to respond to detected be produced by other sources
Raw light and the brightness for controlling and adjusting light source.Controller can be configured to respond to it is detected being sent from light source and by
Reflex to the light of photoelectric sensor and control the brightness of light source.It is that photoelectric sensor can be configured to respond to send from light source and
The light that is reflected by the object and detect light that is being sent from light source and being reflected to photoelectric sensor.
According to some embodiments, controller can be configured to, with pulse-width signal driving light source, and the signal makes light source
Circulated between on-state and off-state, and controller is configured in response to the photoelectricity when light source is off
Sensor detect the light that is produced by other sources and when light source in an ON state when detect it is being produced by light source and anti-
It is emitted back towards the light of photoelectric sensor and to being sent from light source and be reflected back to the light of photoelectric sensor with being produced by other sources
Light distinguished.The off-state of the light source driven using pulse-width signal can not visually be known for human eye
Not.Controller can alternatively be configured as by determine when light source is off with when light source when institute in an ON state
Difference between the light detected detects light that is being sent from light source and being reflected to photoelectric sensor.Controller can be configured
Meeting preassigned for the amount in response to light that is being sent from light source and being reflected to photoelectric sensor reduces the brightness of light source.
Controller can be configured to respond to be met preassigned by the light that other sources are produced and increased the brightness of light source.
According to some embodiments of the present invention, a kind of method for controlling light source can be provided.Method can include inspection
The light sent from other sources different from light source is surveyed, light that is being sent from light source and being reflected to photoelectric sensor is detected, leads to
Controller is crossed to light that is being sent from light source and being reflected to the light of photoelectric sensor and sent from other sources different from light source
Distinguished and in response to it is being sent from light source and be reflected to the light of photoelectric sensor with from other sources different from light source
Difference between the light sent and the brightness for adjusting light source.Detecting the step of the light sent from other sources different from light source can wrap
Include instantaneously（Momentarily, briefly）Disconnect light source and detected while light source disconnects in photoelectric sensor place
The light of reception.Preassigned can be met in response to the detected light sent from other sources and increase the brightness of light source.Should
Preassigned can include the threshold level of brightness.Pre- calibration can be met in response to the detected light sent from other sources
It is accurate and reduce the brightness of light source.The preassigned can include the threshold level of brightness.
According to some embodiments, the brightness of regulation light source may include to apply a kind of brightness phase for the electric current and light source for making light source
The algorithm of mutual correlation.The brightness for adjusting light source can be to be perceived by human eyesight as the multiple increment steps seamlessly transitted
（incremental step）Perform.The increment step can be in size with light source brightness proportionally increase.Method
It alternatively may include that the light of at least two different colours to being sent from other sources different from light source is distinguished and rung
The light of at least two different colours of the Ying Yu to being sent from other sources different from light source is distinguished and adjusts light source generation
Light color.
According to some embodiments, a kind of lighting device can be provided.The lighting device can include holding in housing, the housing
Receiving has light source, controller and photoelectric sensor.Housing is securable to headband, and wherein headband is configured as being worn on wearer
Head.Photoelectric sensor can be configured as light that is that detection is sent from light source and being reflected to photoelectric sensor, and
Detect the light produced by other sources.The light that controller can be configured as to the light sent from light source with being produced by other sources carries out area
Not.Photoelectric sensor can be accommodated in housing, and can be provided between photoelectric sensor and the outside of housing light guide
Part, wherein the light guide therefor makes light from the exterior conductive of housing to photoelectric sensor, and makes photoelectric sensor from by housing
The irradiation of the light of conduction.
Brief description of the drawings
Briefly so describe after certain embodiments of the present invention, referring now to accompanying drawing, these accompanying drawings are simultaneously
It is not drawn necessarily to scale, and wherein：
Fig. 1 is the block diagram of the system for Optimizing Control System of the exemplary embodiment according to the present invention；
Fig. 2 is the perspective view of a head lamp, and the head lamp can implement the embodiment of the Optimizing Control System according to the present invention；And
Fig. 3 is the flow chart for operating the method for the Optimizing Control System according to some embodiments of the present invention.
Embodiment
The present invention is described more fully with referring now to accompanying drawing, some of the present invention are shown in the drawings but are not all of
Embodiment.In fact, these inventions can be embodied in many different forms and should not be interpreted as limited to be explained here
The embodiment stated；On the contrary, thesing embodiments are provided so that the disclosure meets applicable legal requirement.Identical reference
All the time identical part is represented.
In addition, as it is used herein, term " circuit " is represented：（a）Only the circuit of hardware is implemented（For example, analog circuit
And/or the implementation of digital circuit）；（b）Circuit and computer program product（Including being stored in one or more computer-readable deposit
Software and/or firmware instructions in reservoir）Combination, they work together so that equipment performs one or more as described herein
Function；With（c）Such circuit（Such as, a part for such as microprocessor or microprocessor）, i.e. it is needed for operation
Software or firmware, even if software or firmware are not physically exist.This definition of " circuit " herein is applied to the term
All applications, are included in all applications in any claim.As further example, as it is used herein, term
" circuit " also includes a kind of implementation, the implementation include one or more processors and/or its part and subsidiary software and/or
Firmware.As another example, term as used herein " circuit " also includes the based band integrated circuit for example for mobile phone
Or application processor integrated circuit, or positioned at network, cellular network apparatus, other network equipments and/or other computing devices
In similar integrated circuit.
Various embodiments of the present invention relate generally to a kind of light source, and it has improved Lighting control and controllability.
It is as described in greater detail below, embodiment may include flashlight, wearable head lamp, car light, residential lighting, commercial lighting or
Use any other embodiment of light source.Light meets many purposes in daily life；However, in order to power consumption optimization and
Function optimization（That is, illuminate）The light that aspect optimization is produced by light source, it may be necessary to which brightness is adjusted according to environment（That is, intensity）And face
Color.Light can be used for communicating and recognize, as described further below.
According to an exemplary embodiment, the light for read books should be bright enough, so that reader is in the feelings having no problem
Word can be clearly seen under condition.However, when light source becomes too strong or too bright, coming from the reflection of paper may make reading more tired
It is difficult.Therefore, light source may need controllability to adapt to eyes.
Light source for photography may have the additional requirement exceeded outside above-mentioned those requirements relative to reading.Example
Such as, the light color and spectrum property of light source may need regulation, to optimize photography.Aperture, exposure and shutter speed may be needed
As one man to be adjusted with light source, to produce required effect.
Light source for identification can adjust intensity and/or color, and embedded code alternatively can be used with by receiving
Device recognizes light source.Intensity and/or color are can adjust for communication objective light source, and can be using these characteristics according to pending
The information sent modulates light.
Regulation to light source can be carried out in many ways：Directly it is adjusted by the user of light source（For example, by using degree
Disk, handle, button etc.）；It is adjusted indirectly by user using remote control；Or according to user or the parameter preset of manufacturer
Automatically it is adjusted.Embodiment described herein according to parameter preset and respond environment input automatically regulate light source, will
The expectation light characteristic of light source is maintained in predeterminated level.
Fig. 1 shows the exemplary embodiment of the Optimizing Control System 100 according to one example embodiment of the present invention.It is shown
The embodiment gone out includes light source 110, controller 120, optical sensor or photoelectric sensor 130 and power supply 140.Although implementing
Example can include various other features or part, but Fig. 1 embodiment illustrate only base for implementing embodiments of the invention
This part.Further, although these parts are shown as independently of one another and only being communicated between them, but embodiment
Some or all of in these parts are juxtaposed（Such as on single circuit board）, to be suitable for application.
Light source 110 can be any traditional light source, such as incandescent lamp, arc lamp, fluorescent lamp or light emitting diode.Light source
Type can be selected based on application scenario；However, the light source with quick response or ON/OFF time can be more suitable for this
Some embodiments of invention.Light source can be driven by controller 120.The controller may include to be configured as implementing photocontrol system
The process circuit of the function of system, such as processor.Controller 120 can be implemented in a number of different manners.For example, controller can
To be embodied as one or more of various processing units, the various processing units such as coprocessor, microprocessor,
Controller, digital signal processor（DSP）, treatment element with or without subsidiary DSP or including each of integrated circuit
Plant other process circuits, the integrated circuit such as ASIC（Application specific integrated circuit）、FPGA（Field programmable gate array）、
Micro controller unit（MCU）, hardware accelerator, special-purpose computer chip etc..So, in certain embodiments, controller 120 can
Including being configured to the one or more process cores independently performed.Polycaryon processor can be realized many in single physical encapsulation
Handle again.Additionally or alternatively, controller 120 may include one or more processors, and the processor is configured as leading to
Cross bus and realize independently executing for instruction, pile line operation, and/or multithreading in a series arrangement.
In one exemplary embodiment, controller 120 can be configured to the finger for performing and being stored in the storage device of controller
Order can be otherwise by the instruction of controller access.Alternatively or additionally, controller can be configured as performing hard volume
Code function.So, either configured by hardware or software approach configuration or by the combination of hardware and software, controller
120 can represent such entity（For example, being physically embodied as circuit）, i.e. the entity is able to carry out according to the present invention's
The operation of embodiment, is configured accordingly simultaneously.Thus, for example, when controller 120 is implemented as ASIC, FPGA etc., control
Device 120 can be specially configured as the hardware for carrying out operation as described herein.Alternatively, as another example,
When controller 120 is implemented as the actuator of software instruction, when executing an instruction, the instruction can be specifically by controller
120 are configured to perform algorithm as described herein and/or operation.However, in some cases, controller 120 can be specific
Device（For example, flashlight, wearable head lamp etc.）Processor, its fit through instruction controller 120 is further matched somebody with somebody
Put to use embodiments of the invention, to perform algorithm as described herein and/or operation.Controller 120 can especially include
Clock, arithmetic log unit（ALU）With the gate for the operation for being configured as branch held controller 120.
Referring back to Fig. 1, shown embodiment includes photoelectric sensor 130, or can be described as photodetector or light biography
Sensor.Photoelectric sensor can be any known type, including charge coupling device（CCD）, light resistance, photosensitive field-effect it is brilliant
Body pipe（Light FET）Deng.Photoelectric sensor 130 can be configured as detection light and the instruction for detecting light is supplied into controller 120.
According to some embodiments, photoelectric sensor may be additionally configured to detect and distinguish the color of light.Shown Optimizing Control System 100
Also include power supply 140, it can be any of power supply, such as battery, capacitor, cable power（Such as electrical socket）Deng.
Power supply can provide necessary energy and come operational control device 120, photoelectric sensor 130 and light source 110.
Light source 110 can be configured as being changed between on-state and off state by controller 120.Further, light
Source 110 can be configured with the intensity adjusted by controller 120 or brightness.Conversion between on-state and off state can
To be realized by user is for example interacted by user interface 150 with controller 120, the user interface may include button, switch,
One or more of scale etc..Although user interface 150 can be configured to adjust light source 110 via controller
Intensity, but embodiments of the invention can utilize the Optimizing Control System independent of user interface to adjust intensity, the color of light source
Or the information passed on via light source 110.On the contrary, controller 120 can be configured to automatically control light source 110, will be desired
Light characteristic is maintained in preset level.However, user interface 150 can be configured as turning between the different operation modes of light source
Change, the operator scheme such as reading model operator scheme, headlight for vehicle operator scheme, light for vehicle operator scheme, cave are visited
Danger or search operation pattern etc..Under every kind of operator scheme, controller can be configured as basis and be detected at photoelectric sensor
Light operate light source in a different manner, it is described further below.
The photoelectric sensor 130 coordinated with controller 120 can be configured as based on the light detected by photoelectric sensor 130
To adjust the intensity and/or color of light source 110.Photoelectric sensor 130 can be configured as detecting the light for coming from multiple sources, such as
The sunshine on daytime, the light of the lamp in indoor environment or suspension illumination device, the light of the vehicle come head-on on road,
Light from television set etc..According to an example embodiment, detected at photoelectric sensor 130 from not homologous Guang Ke areas
Not in the light sent from light source 110.This difference can allow the intensity of controller regulation light source, desired to be best suitable for
Illumination.
According to an example embodiment, it is possible to distinguish from not homologous light, and can according to desired operator scheme come
Control light source 110.For example, for reading operations pattern, it is contemplated that all reflected lights, to adjust the intensity of controlled light source
Or brightness so that the external world of higher level or ambient light can cause controller to reduce the intensity of light source.
According to another exemplary embodiment, a kind of embodiment of Optimizing Control System for bicycle headlight operator scheme
It may be in response to the external world or the ambient light for the higher level that photoelectric sensor 130 is detected（That is, the light from other sources）And increase
The intensity of light source 110.When Optimizing Control System detects the vehicle come head-on（For example, passing through the headlight for vehicle that comes head-on
Intensity detection is arrived）When, this embodiment can increase the brightness of bicycle head lamp, with the case of the ambient light of higher level
It still can ensure that and recognize bicycle and bicyclist.
The light that the controller 120 of exemplary embodiment can be configured to respond to detect from light source or other sources meets pre-
The accurate brightness to adjust light source 110 of calibration.For example, in the exemplary embodiment of reading lamp, controller 120 can be configured as ringing
The light from light source should be detected in photoelectric sensor and the light from other sources is higher than threshold luminance（For example, 100 lumens）And
Reduce the brightness of light source 110.In the exemplary embodiment of bicycle head lamp, controller 120 can be configured to respond to photoelectricity
Sensor 130（In addition to detecting the light from light source）Detect the light from other sources increases light more than predetermined luminance
The brightness in source 110.
According to some embodiments of the present invention, Optimizing Control System can be realized with less form factor, such as Fig. 2 head
Lamp.According to shown embodiment, head lamp 200 may include headband 210 and lamp housing 220.Lamp housing 220 may include light source 230.Light
Electric transducer 250 be may be provided in lamp housing 220, and the reliable close to sources 230 of photoelectric sensor 250 is positioned.In such reality
Apply in example, it may be desirable to veiling glare or photoelectric sensing is directly entered for example, by the refraction in housing from light source 230
The light of device 250 is minimized, and is considered when controller determines the appropriate intensity and/or color of the light from light source 230.
One exemplary embodiment of the mechanism for reducing the veiling glare for entering photoelectric sensor 250 may include to use optical fiber
Or transparent light guide part.With reference to Fig. 2 head lamp embodiment, photoelectric sensor 250 can be recessed in lamp housing 220, transparent light guide part
It is arranged between the front of lamp housing 220 and photoelectric sensor 250.This can allow photoelectric sensor 250 and light source 230 more preferable
Ground is separated and completely cut off.Transparent light guide part can along its length from the front of lamp housing 220 on exposed junction passed to photoelectric sensor 250
Leaded light, while reducing the veiling glare from light source 230 with except reaching transparent light guide by any angle in addition to the exposed junction
Part.Similar effect can be realized using optical fiber.
Embodiments of the invention can be implemented with less form factor, to strengthen portability and the practicality of these embodiments
Property.As shown in Fig. 2 less form factor can be configured as being worn on headband 210 to be used as wearable head lamp 200.However, can
Benefiting from the other embodiments of the size of smaller form factor includes hand-held flashlight, bicycle head lamp and/or taillight, for taking the photograph
The portable illumination device of shadow, can be worn by user or the reading lamp that attaches to books or benefit from smaller shape because
The various other embodiments of several lighting devices.Above-mentioned veiling glare countermeasure is realized, less form factor may include non-
Very close to photoelectric sensor and light source, the function without damaging light control method described herein.
Referring back to Fig. 1 Optimizing Control System 100, according to some embodiments of the present invention, controller 120, which can be received, to be come
From the data of photoelectric sensor 130 so that the control algolithm run by controller 120 can receive input data, and be based on
Setting or adjustable parameter, generation outputs control signals to light source 110.According to desired lighting parameter, light source 110 it is defeated
The output that going out can be produced by controller 120 is adjusted.
Exemplary embodiment scheme may include light adjusting system, and the light adjusting system, which is used to reduce, works as high reflection surface（For example,
Blank sheet of paper, mirror, glass etc.）Produced reflection when being illuminated.In such embodiments, photoelectric sensor 130 can be sensitive to
The light reflected from lamp, and it is sensitive to ambient light.Difference between light from light source 110 and the light from other sources can be with
It is incoherent.However, in certain embodiments, the difference between the light sent from light source 110 and the light from other sources can
It can be even more important.In order to distinguish from not homologous light, light source 110 can be periodically switched off a shorter moment, so that sharp
Measure inevitable as the remaining light produced by other sources during being disconnected with the moment of light source.It is measurable to be deposited when disconnecting light source moment
Light, for example, being measured based on the light that photoelectric sensor 130 is detected at controller 120.When light source 110 connects again
When logical, the light of measurable presence（Both light and the light in other sources that the light is sent including light source 110）.Assuming that reduced or disappear
Except veiling glare, then difference when light source 110 disconnects and during light source switches between measured light is effective reflected light.
To make above-described embodiment effectively, light source drive（For example, the controller in Fig. 1）It may need sufficiently rapidly to ring
Light source should be made to disconnect a shorter moment in control signal, then light source is again switched on.In light emitting diode（LED）Feelings
In condition, this can be carried out under the speed that the sight of people generally can't detect.Utilizing pulsewidth modulation（PWM）Signal controls light source
In 110 exemplary embodiment, light source is substantially the switching for performing and periodically turning on/off.PWM switchings can be with flash ranging
Measure cycle synchronisation so that the photo measure cycle occurs when pwm signal disconnects light source 110.
Photoelectric sensor 130 should be at least with the rate response in the photo measure cycle of light source 110.Optical sensor is allowed for
Light level is accurately detected within the short time that light source is disconnected, correctly to obtain from other sources reception different from light source
Light level.It can be used to including on/off and the embodiment of the light source of detectability and photoelectric sensor with matching
Input is provided to controller 120, so that controller determines the appropriate output of light source 110.
Controller 120 can be configured to respond to the detected light sent from light source and detected be different from light
Light that other sources in source are sent and difference therebetween adjust the brightness of light source 110.Regulation to brightness（Either carry
High brightness still reduces brightness）It can be performed in gradual mode, so that smooth transformation to be presented to user, so that transformation is not allowed
Easily it is noted.Although the brightness change of light source can be quick, so as to which light source 110 is transformed into such as the institute of controller 120 really
Fixed appropriate brightness, but smooth transition is typically what user liked.Regulation light-source brightness algorithm can be used for luminance level it
Between transformation.Due to electric current（For example, the electric current controlled from power supply 140 and by controller 120）Pass between light-source brightness
It may not be linear to tie up between operating point or operation step, is represented so the algorithm can be used between electric current and light output
The model of relation, so that the changeover between luminance level.Represent that the model of the relation between electric current and light output can root
According to the type of used light source（Such as incandescent lamp, LED）And change, and the model can also be independent of any given
The concrete property of the light source of type（For example, LED different type/color）And change.Therefore, algorithm can be fixed according to light source
System, and enable to controller to adjust to lead to the electric current of light source to allow the smooth transition between luminance level, and with
For realizing that the current curve of smooth transition is unrelated.
According to some embodiments, controller 120 may be additionally configured to adjust the brightness of light source according to the sensitivity of human eye.
For example, the minor variations and the brightness around the brightness of reduced levels of brightness around the light of higher level
Identical change will not be noticeable.Embodiment can include the model of eye sensitivity, so that brightness adjusts a quantity so that adjust
Section is rendered as smooth for human eye.If for example, light output for higher level and need as soon as possible downwards regulation arrive
One reduced levels, then regulation can rapidly carry out, is lowered then as brightness and be reduced to smaller step first, with
Just felt to beholder with smooth light modulation without visible step.
Represent the model of human eye sensitivity and represent that the model of the relation between light-source brightness and electric current can be individually
Implement or in table（Such as look-up table）In or utilize mathematical function（Multinomial in the software of such as microcontroller）It is real together
Apply.Make in this way, it is possible to achieve the most fast regulation to appropriate luminance levels, while allow the smooth change of brightness,
Without making beholder perceive any visible step of brightness.
According to some embodiments, photoelectric sensor 130 can be configured as recognizing the color of light, and color detection is attached to
In brightness detection.With being configured to adjust color（For example, by using the LED of multiple color（Such as red, green and blue））Light
Source 110 coordinates, controller can detect the color of the ambient light from other sources or from light source and be reflected to photoelectric transfer
The light of sensor 130, and adjust color and the brightness of the light sent from light source.If for example, light source is used for reading, photocontrol
Device can include user's setting for reading, and user setting can be selected by user.In response to being examined in photoelectric sensor 130
The reflected white-light of higher level is measured, controller 120 can be configured as adjusting light source 110, so as to warmer compared with low-light level offer
, the light of more yellow, the light can provide a kind of improved Consumer's Experience to read.
According to some embodiments, controller 120 be can be configured to control light source 110, to produce coded modulation, and the coding is adjusted
Make the signature or information in there can be the light for being embedded into and being sent from light source 110.For example, different light sources can be recognized, i.e. can
To perform enemy and friend's instruction（friend-foe indication）, or short message can be transmitted over short, similar to maritime affairs
The Morse used in activity（Mo Si）Code optic communication.
According to some embodiments, coded sequence may be derived from for synchronous and communication objective CDMA（CDMA）Communication
Various codes used in system.The photoelectric sensor 130 of these embodiments may require higher dynamic range and have
The sufficiently fast response time handles these codes.The receiver of these embodiments may include the receiver of matched filter type
Or the like.In order to reduce the interference of other light sources, more complicated receiver architecture can be used（For example, successive interference cancellation
（SIC）And/or parallel interference canceller（PIC）Technology）.
Fig. 3 is the flow chart of the method for the exemplary embodiment according to the present invention.It is appreciated that each square frame of flow chart
And the combination of the square frame in flow chart can be realized by various means, the means for example hardware, firmware, processor,
Circuit, and/or and software（Including one or more computer program instructions）The associated other devices of execution.In this respect
On, implementing the computer program instructions of the above method can be filled by the storage of the light control device in flashlight, head lamp etc.
Put（Such as memory in controller 120）Storage.It will be realized that any this computer program instructions can be loaded into calculating
Machine or other programmable devices（Such as hardware）On to form machine so that performed on computer or other programmable devices
Instruction creates the means for the function of being used for being specified in flowchart block.These computer program instructions can also be stored in non-
In temporary computer-readable memory, it can guide computer or other programmable devices to run in a specific way, make
The instruction that must be stored in computer-readable memory produces a kind of manufacture product, and the product can be realized in flowchart block and specified
Function.Computer program instructions can also be loaded into computer or other programmable devices, with cause computer or its
Sequence of operations is performed on its programmable device, to produce computer implemented process, so that in computer or other programmable
The function of being specified in the instruction flowchart block performed on device.
Therefore, the square frame of flow chart supports the combination of the device for performing specified function and for performing specified function
The combination of operation.It is also understood that in the one or more square frames and flow chart of flow chart square frame combination can by based on
The computer system of specialized hardware（It performs specific function）Or the combination of specialized hardware and computer instruction is realized.
Thus, as shown in figure 3, method according to an embodiment of the invention, which can include detection, is different from light source
The light that is sent of other sources, as shown in 300.Method may include the light that detection is sent from light source（As shown in 310）、
And the light to the light that is sent from light source with being sent from the source different from light source is distinguished（At 320）.Method alternatively may be used
To adjust the bright of light source including being distinguished in response to the light to being sent from light source and the light that is sent from the source different from light source
Degree, as shown in 330.
In the exemplary embodiment, the equipment of the method for performing Fig. 3 may include to be configured as performing aforesaid operations
（300-330）In some or each operation processor（For example, the processor of controller 120）.Controller 120 can example
Such as it is configured to perform operation by following（300-330）：Perform hard-wired logic function, run stored finger
Make or run the algorithm for performing each operation.Alternatively, the equipment may include above-mentioned each to operate for performing
Means.
On the basis of the teaching that the explanation and relevant drawings that have benefited from above are provided, invention set forth herein permitted
Many modifications and other embodiments will be readily apparent that for those skilled in the art in the invention.It will thus be appreciated that
The invention is not limited in disclosed specific embodiment, and change and other embodiments be intended to be included in appended right will
In the range of asking.Although in addition, explanation and relevant drawings above is in element and/or the background of some example combinations of function
Under describe some exemplary embodiments, however, it should be understood that element and/or the various combination of function can be by alternatively implementing
Example is provided, without departing from scope of the following claims.In this respect, for example, as can be in some appended claims
Illustrate, it is also contemplated that other various combinations of element and/or function in addition to being explicitly described above.Although used here as
Particular term, but they are used for general and illustrative implication, and not for purposes of limitation.
Claims (11)
1. a kind of Optimizing Control System, including：
Controller；
Photoelectric sensor, is operatively connected to the controller；And
Light source, is operatively connected to the controller；
Wherein, the photoelectric sensor is configured as that detection is sent from the light source and is reflected back to the photoelectric sensor
Light, and the photoelectric sensor is configured as the light that is produced by other sources of detection,
Wherein, the controller be configured as to it is being sent from the light source and be reflected back to the light of the photoelectric sensor with
The light produced by other sources is distinguished,
Wherein, the controller is configured to, with pulse-width signal and drives the light source, and the signal makes the light source exist
Circulated between on-state and off-state, and wherein, the controller is configured in response to when the light source is in institute
The photoelectric sensor detects the light that is produced by other sources and when the light source is in the connection shape when stating off-state
During state the photoelectric sensor detect light that is being produced by the light source and being reflected back to the photoelectric sensor and to from
Light that is that the light source is sent and being reflected back to the photoelectric sensor is distinguished with the light produced by other sources；
Wherein, the controller be configured to respond to send from the light source and be reflected back to the photoelectric sensor
The amount of light meets a preassigned and reduces the brightness of the light source；
Wherein, the controller is configured to respond to the amount of the light produced by other sources and meets another preassigned and increase institute
State the brightness of light source.
2. Optimizing Control System according to claim 1, wherein, the photoelectric sensor is configured to respond to from the light
It is that source is sent and detect being sent from the light source by the light that an object reflects and be reflected back to the photoelectric sensor
Light.
3. Optimizing Control System according to claim 1, wherein, the institute of the light source driven using pulse-width signal
Stating off-state can not visually recognize for human eye.
4. Optimizing Control System according to claim 1, wherein, the controller is configured as by determining to work as the light source
During in the off-state between detected light and the light detected when the light source is in the on-state
Difference detect light that is being sent from the light source and being reflected back to the photoelectric sensor.
5. a kind of method for controlling light source, including：
Detect the light sent from other sources different from the light source；
Detect light that is being sent from the light source and being reflected back to photoelectric sensor；
By controller to it is being sent from the light source and be reflected back to the light of the photoelectric sensor with from different from described
The light that other sources of light source are sent is distinguished；And
In response to it is being sent from the light source and be reflected back to the light of the photoelectric sensor with from different from the light source
Difference between the light that other sources are sent and the brightness for adjusting the light source, wherein, in response to it is being sent from the light source and by
The amount for reflecting back into the light of the photoelectric sensor meets a preassigned and reduces the brightness of the light source, and wherein, rings
Ying Yu meets another preassigned by the amount of the light of other sources generation different from the light source and increases the brightness of the light source.
6. method according to claim 5, wherein, detect the step of the light sent from other sources different from the light source
Including the light for instantaneously disconnecting the light source and detection is received at photoelectric sensor while the light source disconnects.
7. method according to claim 5, wherein, the preassigned and another preassigned each include brightness
A threshold level.
8. method according to claim 5, wherein, the step of adjusting the brightness of the light source, which includes application, makes the light source
The brightness of electric current and the light source be mutually related algorithm.
9. method according to claim 8, wherein, the brightness for adjusting the light source is to be perceived by human eyesight as seamlessly transitting
Multiple increment steps perform.
10. method according to claim 5, further comprises：
The light of at least two different colours to being sent from other sources different from the light source is distinguished；And
In response to being distinguished between the light of at least two different colours to being sent from other sources different from the light source
And adjust the color of the light produced by the light source.
11. a kind of lighting device, including：
Housing, the housing includes light source, controller and photoelectric sensor；And
Headband, wherein, the housing is fixed on the headband, and wherein, the headband is configured as being worn on wearer's
Head；
Wherein, the photoelectric sensor is configured as the light that detection is sent from the light source, and detects what is produced by other sources
Light,
Wherein, the controller be configured as to it is being sent from the light source and be reflected back to the light of the photoelectric sensor with
The light produced by other sources is distinguished,
Wherein, the photoelectric sensor is accommodated in the housing, and in the outer of the photoelectric sensor and the housing
Light guide therefor is provided between portion, wherein, the light guide therefor make light from the exterior conductive of the housing to the photoelectric sensor simultaneously
Make the photoelectric sensor from the irradiation of the light conducted by the housing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410013352.0A CN104780640B (en) | 2014-01-10 | 2014-01-10 | Optimizing Control System, the method and lighting device for controlling light source |
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| CN201410013352.0A CN104780640B (en) | 2014-01-10 | 2014-01-10 | Optimizing Control System, the method and lighting device for controlling light source |
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| CN104780640B true CN104780640B (en) | 2017-10-31 |
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| CN1380535A (en) * | 2001-04-10 | 2002-11-20 | 上海南汇新海印染机械配件厂 | Method for detecting reflecting light intensity |
| CN102017794A (en) * | 2008-04-24 | 2011-04-13 | 齐德公司 | Lamp for self-regulated lighting |
| CN102595743A (en) * | 2012-03-22 | 2012-07-18 | 东莞巨扬电器有限公司 | Light-control lamp and control method thereof |
| CN202551448U (en) * | 2012-04-12 | 2012-11-21 | 张家炎 | Photoelectric sensor for auto-dimming constant-light table lamp |
| CN103062633A (en) * | 2013-01-14 | 2013-04-24 | 阳江纳谷科技有限公司 | Wearable headlamp |
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|---|---|---|---|---|
| CN1380535A (en) * | 2001-04-10 | 2002-11-20 | 上海南汇新海印染机械配件厂 | Method for detecting reflecting light intensity |
| CN102017794A (en) * | 2008-04-24 | 2011-04-13 | 齐德公司 | Lamp for self-regulated lighting |
| CN102595743A (en) * | 2012-03-22 | 2012-07-18 | 东莞巨扬电器有限公司 | Light-control lamp and control method thereof |
| CN202551448U (en) * | 2012-04-12 | 2012-11-21 | 张家炎 | Photoelectric sensor for auto-dimming constant-light table lamp |
| CN103062633A (en) * | 2013-01-14 | 2013-04-24 | 阳江纳谷科技有限公司 | Wearable headlamp |
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| CN104780640A (en) | 2015-07-15 |
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