CN106814520A - A kind of lamp light control method for image documentation equipment - Google Patents
A kind of lamp light control method for image documentation equipment Download PDFInfo
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- CN106814520A CN106814520A CN201510859419.7A CN201510859419A CN106814520A CN 106814520 A CN106814520 A CN 106814520A CN 201510859419 A CN201510859419 A CN 201510859419A CN 106814520 A CN106814520 A CN 106814520A
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- light
- image documentation
- documentation equipment
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- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
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- General Physics & Mathematics (AREA)
- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A kind of lamp light control method of image documentation equipment of the present invention, the image documentation equipment includes lighting fixture, the lighting fixture includes light source module, the light source module includes many color LED light sources, wherein, the lighting fixture also includes color sensing apparatus, and the color sensing apparatus carry out Real Time Monitoring and determine the photochromic output of light source module to ambient light.The lighting fixture light source module that not only spectrum with continuously adjustabe, color change are enriched, and with color detection and analytic function module, the light performance of the output of ambient light and light source module can be detected and and analyzed accordingly, the ability of light output regulation is carried out during so as to operationally being required specific light environment according to image documentation equipment, for the work of image documentation equipment provides the light environment of high-quality and specialty.
Description
Technical field
The present invention relates to the electronic flash field of image documentation equipment, the more particularly, to lamp light control method of image documentation equipment.
Background technology
With information-based deep development, the electronic equipment with imaging function, such as digital camera, intelligence
Energy mobile phone, DV etc., are just more and more made in daily life or in work by people
With.It is well known that image documentation equipment is in the course of the work, the effect of light is extremely important, particularly exists
Light intensity is very low, and photochromic quality is excessively poor, in the case that colour rendering is very low.Simultaneously for one
The image work of a little intention types, it is also desirable to which specific light reaches final purpose to coordinate.Therefore,
Coordinate the performance of lighting fixture (such as flash lamp, outer bat lamp etc.) of image documentation equipment work to presentation content
The quality performance that has very important effect, lighting fixture directly affect image documentation equipment content of shooting
Attraction.
At present, the lighting fixture in image documentation equipment system, is either placed on image documentation equipment,
Such as external flash lamp, outer bat lamp etc.；Still image documentation equipment is built in, such as built-in flash, big portion
Dividing is realized using gas-discharge tube mode, and this technology can realize guide number very high (i.e.
Intensity), illumination is exported and instant igniting ability.But, such lighting fixture also has some shortcomings,
Such as luminescent properties are difficult to control, and drive complicated, and power consumption is high, photochromic single etc..
Even if had some image documentation equipments using LED as light source, but its LED light source spectrum
It is also very single, is all to use common white light LEDs as light source, its colour rendering is not high, and photochromic
Adjustment is extremely difficult, such as shown in Fig. 1 (1).So, lighting fixture is luminous is not well positioned to meet shadow
The flexibility of requirement and regulation and control as equipment to various light environments.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of intelligent light for image documentation equipment system
Device, the lighting fixture can with image documentation equipment system synergistic working and can real-time detection, analysis and
Adjust the photochromic output of light source.
In order to solve the above technical problems, a kind of lamp light control method of image documentation equipment of the invention, the image
Equipment includes lighting fixture, and the lighting fixture includes light source module, and the light source module includes many color LED
Light source, wherein, the lighting fixture also includes color sensing apparatus, and the color sensing apparatus are to ambient light
Carry out Real Time Monitoring and determine the photochromic output of light source module.
Preferably, the color sensing apparatus can test and analyze the photochromic of some characteristic areas in ambient light spectrum
Feature, the corresponding relation of color sensing apparatus signal and light source module luminous spectrum is set up by functional relation.
Preferably, lighting needs parameter, color sensing apparatus detection ambient light are preset with the image documentation equipment
And contrasted with the lighting needs parameter, determine the photochromic output parameter of light source module.
Preferably, the ambient light of the color sensing apparatus detection is consistent with lighting needs parameter, the light
Source module presses lighting needs parameter into light output element；The environment of the color sensing apparatus detection
What light and lighting needs parameter differed, the color sensing apparatus call analyzer is analyzed place
Reason output light configuration parameter, the light source module enters light output element according to light configuration parameter.
Preferably, located at initial photochromic output parameter in the light source module, color sensing apparatus will be detected
Ambient light is simultaneously contrasted with the lighting needs parameter and initial photochromic output parameter, is judged whether
Need the photochromic output parameter of adjustment light source module.
Preferably, the ambient light of the color sensing apparatus detection and the initial photochromic output parameter of analysis, institute
State initial photochromic output parameter and lighting needs parameter is met under current environment light, the light source module is pressed
Enter light output element according to initial photochromic output parameter；The ambient light of the color sensing apparatus detection
And initial photochromic output parameter is analyzed, the initial photochromic output parameter is unsatisfactory under current environment light
Lighting needs parameter, the color sensing apparatus call analyzer processes output light to be analyzed
Configuration parameter, the light source module enters light output element according to light configuration parameter.
Preferably, default lighting programmers can be grasped by the corresponding function on image documentation equipment in the image documentation equipment
Reconfigured.
Preferably, whether the image documentation equipment is provided with what is ambient light detected using color sensing apparatus
Function is selected.
Preferably, the light source module includes equipment central controller, and the color sensing apparatus will be described
Photochromic output parameter sends the equipment central controller to.
Preferably, in the ambient light of color sensing apparatus detection, including the illumination of ambient light, color are sat
Mark, colour temperature and each color component numerical value.
The lighting fixture light source module that not only spectrum with continuously adjustabe, color change are enriched, and
And with color detection and analytic function module, can be to the lamp of the output of ambient light and light source module
Optical property is detected and is gone forward side by side that row is analyzed accordingly such that it is able to according to image documentation equipment in work
When the ability of light output regulation is carried out when requiring specific light environment, be that the work of image documentation equipment is carried
For high-quality and the light environment of specialty.
It is external by the way that lighting fixture carried out, can be to provide various different light rings when image documentation equipment works
Border, while simple structure, it is the external lighting fixture such as camera flash-light of image documentation equipment work to eliminate tradition,
Need various filter parts, and solve traditional image documentation equipment lighting fixture it is photochromic single, no
The shortcomings of easily adjusting.
By the way that lighting fixture to be carried out built-in, the corresponding control assembly of cooperation so that image documentation equipment structure essence
Letter, wherein departmental function part can be shared, and flexible, novel functions are operated in use.
Brief description of the drawings
The present invention is described in further detail with reference to the accompanying drawings and detailed description：
Fig. 1 is the spectrogram of common white light LEDs, wherein 1,2,3 represent the white light LEDs of different-colour
Spectrum；
Fig. 2 is the structural representation of the embodiment of the lighting fixture for image documentation equipment of the invention；
Fig. 3 is the light analysis chart of the LED of different colours, wherein (1) is three kinds of LED of different colours
Spectrogram, the peak value of its spectrum is in different wave-length coverages；(2) it is three kinds of light of the LED of different colours
Compose the seat of the chromaticity coordinates point and the mixed spectra being mixed to get under certain proportion by three kinds of colors in CIE
Punctuate；
Fig. 4 is position of the chromaticity coordinates of the LED of various different spectrum on CIE chromaticity diagram and is made up of it
Polygon chromaticity range, wherein (1) is the quadrangles that four kinds of LED are constituted, X1 points can be by four kinds of LED
By being mixed to get for different proportion, and then light of the chromaticity coordinates in X1 positions can be sent；(2) for various
The polygon that LED is constituted, Xm points can have various LED being mixed to get by different proportion, Jin Erguang
Source can send light of the chromaticity coordinates in Xm positions；
Fig. 5 is different types of LED packing forms structure chart, wherein, (1) adds for single color chips
Silica gel packaging form, (2) add fluorescent material and silica gel packaging form for single color chips, and (3) are many face
Color chip covers transparent silica gel form, and (4) add silica-gel lens form for many color chips, and (5) are many
Chip adds the COB packing forms of fluorescent material；
Fig. 6 is many color LED light source structure charts, and (1) is overall structure figure；(2) it is overall structure
Explosive view, wherein, 7 is optical lens, and 8 is reflection shield, and 9 is the light source board with many color LED,
10 is radiator；
Fig. 7 is the fundamental diagram of the embodiment of the lighting fixture for image documentation equipment of the invention；
Fig. 8 is the external structural representation of lighting fixture of the embodiment 1 of image documentation equipment of the invention；
Fig. 9 is the external digital camera schematic diagram of lighting fixture of the embodiment 1 of image documentation equipment of the invention,
(1) it is front view, (2) are rearview, wherein, 7 is optical lens, and 13 is infrared window, 14
It is fixed knob, 15 is the connecting interface of light units and image documentation equipment, and 16 is fuselage, and 17 is letter
Breath window, 18 is control button or knob, and 19 is switch, and 20 is communication interface, 21 be fuselage with
The connection rotating shaft of light source part, 22 is light source part enclosure, and (3) are image documentation equipment and lighting fixture
Connection diagram；
Figure 10 is that the image documentation equipment of the embodiment 1 of image documentation equipment of the invention expands schematic diagram；
Figure 11 is the external mobile phone schematic diagram of lighting fixture of the embodiment 1 of image documentation equipment of the invention；
Figure 12 is the built-in image documentation equipment schematic diagram of lighting fixture of the embodiment 2 of image documentation equipment of the invention.
Figure 13 is that the image documentation equipment of the embodiment 2 of image documentation equipment of the invention expands schematic diagram.
Specific embodiment
Lighting fixture embodiment：
The present invention proposes a kind of lighting fixture for image documentation equipment, including light source module, the light source die
Block includes many color LED light sources and controls the equipment central controller of many color LED light sources, described
Many color LED light sources include at least 2 kinds LED of different colours, wherein, the lighting fixture also includes using
In the color sensing apparatus tested and analyzed to ambient light, the color sensing apparatus and the equipment maincenter
Controller is connected.
As shown in Fig. 2 lighting fixture includes two large divisions, a part is the part of light source module 110,
Another part is the part of color sensing apparatus 300, in the present embodiment, the color sensing apparatus
300 include preposition diaphragm 330, color sensor chip 320 and conversion and control circuit 310, institute
State conversion and control circuit 310 is connected with the equipment central controller 160.The two cooperates, finally
To ensure that lighting fixture can provide good luminous environment with the intelligentized work as image documentation equipment.
In the present embodiment, in light source module part, using at least 2 kinds or many colors of more than two kinds
LED light source and corresponding spectral detection and analysis module realize light environment with image documentation equipment more
What is cooperateed with is operated, so that for the work of image documentation equipment provides high-quality and flexible light environment.
LED light emitting sources are made up of the LED of at least 2 kinds or two or more different colours, each color
LED's has its specific spectrum, and then its spectrum can calculate its corresponding color dot (i.e. by conversion
Chromaticity coordinates x, y, this conversion should be the knowledge of common-sense for the personnel in field, no longer go to live in the household of one's in-laws on getting married here
State), CIE (Commission Internationale de of this color dot correspondence in standard
L ' Eclairage) a chromaticity coordinates point on chromatic diagram, corresponding to so two different colors of LED
Chromaticity coordinates point straight line is may be constructed on CIE chromaticity diagram.If light source module be by three kinds not
Constituted with the LED of color, then their chromaticity coordinates point may be constructed a triangle on CIE diagram,
As shown in figure 3, the luminous energy of every kind of LED is controlled by the driving power supply with multiple-channel output,
And then any color on straight line or within triangle or on side can be blended, its chromaticity coordinates can
Any point fallen on straight line or within triangle or on side, and LED light emitting sources bulk strength
Or luminous flux can be changed by increasing or decreasing the quantity of the LED of each color, it is also possible to pass through
Within the specific limits change driving power supply each road power output come change every paths of LEDs luminous intensity or
Luminous flux, finally changes the luminous intensity or luminous flux of whole LED light source.
In addition, the LED light source in the present invention is not limited to, only with the 2 kinds or 3 kinds LED of color, also may be used
Mixed simultaneously with using four or more LED color type, and output is finally blended
Mixed light, as shown in figure 4, respectively falling in CIE chromaticity diagram more than the LED of three kinds of color types
Diverse location, it constitutes a polygon for having certain area, every road is entered by LED drive power
After the control of row difference, any color dot in whole profile can or partial realization, so by many
The spectrum of the mixed light sources of LED of kind color is possible to the driving parameter by changing each paths of LEDs
To change the spectrum of mixed light, as shown in Figure 4.Fig. 4 (1) is the quadrangle that four kinds of LED are constituted,
Wherein X1 points can be by four kinds of LED being mixed to get by different proportion, and then light source can send color
Light of the coordinate in X1 positions；Fig. 4 (2) is the polygon that various LED are constituted, and wherein Xm points can be with
By various LED being mixed to get by different proportion, and then light source can send chromaticity coordinates in Xm positions
Light.So, the light emitting region of LED light source and color adjusting range all will greatly become big.
LED packing forms in light source module can select the single chip (chip form of different colours
Can directly be formed in vacuum moulding machine by semi-conducting material, or be first made up of semi-conducting material
Short-wave long light-emitting chip, is then converted into aim colour after covering fluorescent material by color thereon), then will
The LED chip of different colours is assembled, and forms module；Can also use by the LED of different colours
Chip composition integrated chip, it is such it is integrated can ensure compact dimensions, the features such as easy for installation；
In addition, the LED chip for being used can also be the chip of COB (CHIP-ON-BOARD) form, no
It is positioned on same substrate with the LED chip of color, then covers same or different glimmering above
Light powder and silica gel realize the luminous of particular color.Concrete form is as shown in Figure 5.Whole many colors
The overall structure of LED light source part is illustrated as shown in Figure 6.
In LED light source, in order that the brightness degree of lighting fixture or luminous flux grade can reach one
Fixed level, the quantity of the LED of each color can flexibly change, and can be reached by using many
To target call, or the number that used LED is determined according to certain ratio.
As a rule, when LED light source works, substantial amounts of heat can be produced, in order to improve LED light source
Performance, reliability, and life-span, it is necessary to by produce heat timely distributed by heat abstractor,
Closely coupled with the light source board of LED light emitting sources is heat abstractor, and heat sink material can be aluminium radiator,
Heat-conducting plastic, or other types of heat sink material, and the mechanical structure of material ensure that heat well
Conduction, convection current is such as usually designed to the Qi chip architectures that radiate.
In addition, because image documentation equipment is all the shooting or recording to special object when working, there is very strong
Directionality, this just has to light and specifically requires, it is necessary to cooperating flash lamp can be with camera lens
Direction matched, it is such matching include but are not limited to it is in parallel, with its reversely, vertically
Deng with greater need for the light shape of flash lamp output, i.e. luminous intensity distribution (distribution of the light in space) has one with camera lens
Fixed correlation, it is final to ensure that image documentation equipment shoot preferably work under specific light environment
Product, therefore, in the present invention, the front of LED light source is promising to provide light of the control light in spatial distribution
Lens are learned, there is Reflecting shade structure, such optical lens and reflection shield mating reaction at adjacent light source board,
Can ensure that the light that LED light source sends is acted on by reflection shield and lens, such as reflect, refraction,
Deng optical effect, the light sent from flash lamp disclosure satisfy that light distribution is wanted in object space
Ask, it is final to ensure that image documentation equipment obtain preferable light conditions.It is of course also possible to use optics
Lens or reflection shield one of the two reach the reasonable control to light.In addition, removing optical lens
Or outside reflection shield both conventional modes, it is also possible to reached to light by other optics control modes
Reasonable control meet the need of work of image documentation equipment.
So, after different electrical parameters are provided to each paths of LEDs, such as electric current, voltage, frequency, width
After value etc. parameter, after the LED of different colours is luminous, mixed with lens by reflection shield
Afterwards, whole LED light source will send a kind of specific mixed light, and it has its specific optical parameter, such as
Spectrum, luminous flux, brightness, colour temperature, color, colour rendering index, etc..
The operation principle of the lighting fixture in the present embodiment：
The color sensor device carries out Real Time Monitoring and determines the photochromic defeated of light source module to ambient light
Go out.Lighting needs parameter, or the lamp light mode that relevant photographed scene needs are preset with image documentation equipment, or
Person is relevant lighting demand parameter or the feature requirement information about reference object of user's site setup etc.,
Color sensing apparatus module detect ambient light and with the lighting needs parameter, demand model, it is proposed that mould
Formula, or recommendation pattern and parameter etc. are contrasted, and finally determine the photochromic output parameter of light source module.
As shown in fig. 7, the ambient light of the color sensing apparatus module detection is consistent with lighting needs parameter,
Corresponding data are transferred to light source module by the now conversion of color sensing apparatus module and control circuit
Equipment central controller, the equipment central controller of the light source module enters lamp by lighting needs parameter
Light output link.
The ambient light of the color sensing apparatus module detection differs with lighting needs parameter, the face
Color sensing device module call analyzer processes output light configuration parameter to be analyzed, and color is passed
Corresponding data are transferred to the equipment maincenter control of light source module for the conversion of induction device module and control circuit
Device processed, the equipment central controller of the light source module presses lighting needs parameter into light output element.
Certainly, as shown in fig. 7, equipment start initialization after, and by it is a series of set etc.
After lighting needs parameter is determined, can selectively enter color sensing apparatus module and detect ambient light,
Now, equipment can voluntarily carry out equipment decision, naturally it is also possible to which it is right that manual operation chooses whether to carry out
The detection and analysis of ambient light.
In the course of work of this lighting fixture, default lighting needs parameter can be image documentation equipment
Or parameter, or the artificial requirement being input into of the function of being set in lighting fixture, that is, select
A certain pattern carries out image production, now there is corresponding lighting needs parameter under corresponding functional mode,
Recommendation pattern and recommended parameter that image documentation equipment or lighting fixture are provided are can also be, user is by opening
Move color sensor device to understand whether current light environment meets setting demand, if can not meet
Demand, you can analysis result is sent to equipment central processing unit, equipment central processing unit is according to light source
The characteristics of luminescence, adjusting range, and current environment light state, etc. information, calculates lighting fixture
The output parameter of configuration is needed, after the trigger signal that image documentation equipment sends is received, you can according to setting
Parameter carry out light output.But the lighting needs parameter can not be had because of the change of ambient light
The adjustment of effect, therefore after can accordingly being tested and analyzed by color sensing apparatus, will be corresponding
Data is activation draws to light to equipment central controller, equipment central controller by analytical calculation
The output parameter of device.The principle is not limited to be exported in light the tune of advance portable lighter light demand parameter
Whole, in the image documentation equipment course of work, color sensing apparatus can be monitored point to ambient light in real time
Analysis, and be adjusted in real time, so as to the more intelligent demand for adapting to image documentation equipment.
Certainly, for the present invention, there is initial photochromic output parameter, face in the light source module
Color sensing device module will detect ambient light and join with the lighting needs parameter and initial photochromic output
Number is contrasted, and is analyzed and is calculated, and judges whether the photochromic output parameter for needing to adjust light source module.
The ambient light of the color sensing apparatus detection simultaneously analyzes initial photochromic output parameter, described initial photochromic
Output parameter meets lighting needs parameter under current environment light, and the light source module is according to initial photochromic
Output parameter enters light output element；The ambient light of the color sensing apparatus module detection is simultaneously analyzed
Initial photochromic output parameter, the initial photochromic output parameter is unsatisfactory for light under current environment light to be needed
Seek parameter, the color sensing apparatus module call analyzer is matched somebody with somebody being analyzed treatment output light
Parameter is put, the light source module enters light output element according to light configuration parameter.It is worked at this
Cheng Zhong, for the output of light, is divided into initial photochromic output parameter and lighting needs, is easy to user
Operation, user need to only be adjusted to lighting needs, meanwhile, color sensing apparatus are analyzed ambient light
Afterwards, contrast amendment can be carried out with the parameter of initial photochromic output, obtains the image documentation equipment course of work
Middle lighting fixture needs the output parameter having, i.e., the Photochromic Properties that lighting fixture needs send so that
Image documentation equipment is more intelligent.
Image documentation equipment embodiment 1：
As shown in figure 8, the image documentation equipment includes an airframe structure, the lighting fixture is placed on institute
State airframe structure.
The lighting fixture 100 has light source module structure 110, and lighting fixture 100 passes through phase
The mechanical interface 120 answered is realized being mechanically fixed and being connected with the mechanical interface 420 of image documentation equipment 400,
Certainly, during use, lighting fixture can be and image documentation equipment between without mechanical connection
In the case of be just operated；Lighting fixture 100 is by the data-interface 130 of oneself and image documentation equipment 400
Corresponding data-interface 420 carries out data exchange and control signal transmission, and lighting fixture 100 has certainly
Oneself open circuit is responsible for execution equipment central controller 160 or control signal interface with switch 140
130 signal, the control and data processing of whole lighting fixture 100 are by equipment central controller 160
To perform, the communication interface 150 that communicates is responsible for the having of being joined directly together of equipment central controller 160,
Communication mode can be wired forms, or wireless, such as WIFI, and bluetooth is infrared,
Etc.；In addition, in a device on pivot controller 160, by sensor interface 170, can access
Various sensors, such as temperature sensor data, photoelectric sensor data etc.；Equipment central controller 160
It is responsible for receiving and processing from communication interface 150, sensor interface 170, image documentation equipment data-interface
130 data and the data of color sensing apparatus, and perform corresponding computing and order, and by phase
The light source answered performs state and is sent to programmable LED drive power 200, may be programmed LED drive power
200 data conversions that will be received become the output parameter of driving power supply into executable information, and will be corresponding
Parametric distribution it is upper (from 230-1 to the Shang Ge roads of many color LED light sources 230 (each color) LED
To 230-n), so, many color LED light sources 230 will send corresponding light and be mixed in light-source chamber
Close, mixed light will adjust light in the light distribution in space by optical control device 240, reach user
The light type of needs is simultaneously exported to the required place of image documentation equipment work and to coordinate image documentation equipment to work.By
Certain heat can be sent when LED light source works, needs to match corresponding radiating dress on LED light source
220 are put, timely distributes the heat of generation to ensure the reliability and stability of equipment, with
And life of product.
The display interface 180 being connected with equipment central controller can be by the data of user's needs or information
It is displayed on corresponding interface, corresponding interface can be charactron, Electronic Paper form, LCD, OLED,
Etc. the display unit of form.In addition, if corresponding display interface is configured without on lighting fixture,
Control parameter and setting equipment state can be come using other methods, for example, entered by the form of button
Row sets regulation.In order to improve the flexibility of lighting fixture 100, user can also be specific according to oneself
The need for define corresponding light data, then by corresponding data input to houselights data portion
On part 210, data can be the various forms of light data, such as spectrum, colour temperature, color, colour developing
Property, etc., the data is activation that houselights data component 210 will be received is to equipment central controller 160
Understood, then, after the data that equipment central controller 160 will be received understand compiling, be converted into
The parameter that can be worked, and each part for needing in lighting fixture is sent to, such as programmable LED drives electricity
Source 200, allows many color LED light sources 230 to send the mixed light that user wants.
In system, the lighting fixture 100 that uses for the image documentation equipment energy required at work is by setting
The standby device power supply (DPS) 190 for carrying is provided, device power supply (DPS) can be battery forms, or other
The energy storage component of type, such as electric capacity, or be directly electrically connected with city and change the electricity of forming apparatus needs
Source form, etc..Device power supply (DPS) 190 not only can provide electric energy to cause LED light to driving power supply
Source lights, and electric energy required for central controller 160 is also to be provided by device power supply (DPS) 190.
In addition, in image documentation equipment 400, except the mechanical interface 410 being joined directly together with lighting fixture
Outside data-interface 420, image documentation equipment also has other corresponding various parts 430 to realize its function,
Due to not being related to the scope of the present invention, for its detailed structure, here no longer detailed description.
Programmable LED drive power in the present embodiment is responsible for LED light source and provides electricity characteristic control,
As a rule, the lighting fixture power supply of image documentation equipment comes from battery, and LED drive circuit is by by equipment
The electric energy of power supply is changed, and is exported LED light source required voltage, electric current, and power etc. and is required,
Meanwhile, LED drives and meets the requirement that image documentation equipment is adjusted to the intensity and color of light, i.e. its
Output voltage, electric current, power and response time, response frequency, pulse strength and frequency etc. are all needed
Meet requirement of the image documentation equipment to many color LED light sources, and these parameters can also be thought with camera
Match somebody with somebody to reach the flash of light under ideal conditions.For the power supply that this LED electro-optical device provides electric power can have
Diversified forms, such as traditional alkalescence or Ni-MH battery, or rechargeable lithium battary, or other
The supply unit of form.Battery pack is connected to cooperate with the input of LED drive power.
The output parameter of programmable LED drive power directly determines the light characteristic of LED light emitting sources output,
Including but not limited to light intensity, luminous flux, colour rendering, colour temperature, color, spectrum, chromaticity coordinates, etc.
Design parameter.The change of these parameters can be changed by changing the input current value of each paths of LEDs
Change, or the change of the PWM count value (including frequency, dutycycle, amplitude) to light adjusting circuit,
Or the control of the parameter of other similar drive circuits.All these controls are all by central control
Circuit system is completed, in circuit is controlled, including core central controller MCU, data hand over
Circuit is changed, control parameter distributor circuit, sensor interface circuitry, wireless interface circuit, and light is defeated
Exit pattern alternative pack etc..The interface form of control system can be push button, or touch
Touch screen formula, or remote control property, or controlled by sensor automatically control form
's.
This many color LED flash is (as shown in Figure 9) to be needed and image documentation equipment, such as digital camera, hand
Machine, or video camera, are cooperated, therefore, the external lighting fixtures of LED in invention are needed and shadow
As the triggering device and joint connecting device of equipment cooperate, it then follows corresponding technical standard and physics
The hot shoe interface of interface size, such as digital camera.Ensure that image documentation equipment operationally, this implementation
External LED flash device in example can automatically be triggered and worked, for image documentation equipment provides light ring
Border.Therefore, the automatic opening circuit and physical connection port in apparatus of the present invention are responsible for this part
Function.Certainly, during use, lighting fixture can be and image documentation equipment between without machinery
Just cooperated in the case of connection.Concrete form has one according to the type of the image documentation equipment for using
Fixed adjustment, is shown in embodiments of the invention part in detail.
Above various pieces and part are fitted together by the mechanical structure of this external lighting fixture, its
Form can be with varied.And the mechanical structure of LED light source part can be adjusted flexibly, such as certain angle
Degree adjustment, up and down rotation etc. is mechanically connected and adjustment, with the work for ensureing more to be cooperateed with image documentation equipment.
As described above, the external many color LED lamplights dress for image documentation equipment proposed in the present embodiment
Put directly to be connected with image documentation equipment, be such as joined directly together by the hot shoe of camera and control to be cooperateed with
Work.
Alternatively, it is also possible to be cooperateed with by wireless module, it is ensured that image documentation equipment is filled with the light of this invention
Put and be attached and cooperate.Simultaneously as external flash light device has wireless module,
Can be communicated between multiple equipment and be cooperated, can be passed through when image documentation equipment works
The linkage of multiple equipment, creates the light environment of user's needs, and due to the presence of wireless module,
External lighting fixture can be separated with image documentation equipment, by radio communication, it is also possible to cooperate and
Triggering.
The lamp of many colors can be provided by the integrated lighting fixture of above each several part for the work of image documentation equipment
Luminous environment, user can be adjusted as required by the patterned optical output of this lighting system, specifically include but
It is not limited to adjust or change light intensity, luminous flux, colour rendering, colour temperature, color, spectrum, chromaticity coordinates,
Etc. design parameter.Meanwhile, the light output of this lighting fixture can be that the equipment for combining image documentation equipment is joined
After other several and external luminous environments carry out integrated treatment, the parameter sent by central control system is come
Determine light output and corresponding light environment.For example, being determined use by color sensor
Which type of parameter exports luminous environment.In addition, the mesh that this lighting fixture can also set according to user
Mark parameter values, then according to the state of current image equipment, and external environment situation, carry out
Adjustment oneself state, to export specific luminous environment.
It is the digital camera with external lighting fixture of the invention as shown in Fig. 9 (3), in system,
By the hot shoe interface of digital camera, the external lighting fixtures of LED of the invention are connected, connect by hot shoe
Mouthful, external lighting fixture is operationally linked with digital camera, and user can adjust lighting fixture
Pattern or light characteristic, while by hot shoe interface, this lighting fixture can carry out data friendship with camera
Change, so as to be set according to user, the linkage with digital camera is completed, for digital camera provides richer
Rich luminous environment.Certainly, during use, lighting fixture can not also be with the warm of digital camera
Boots interface is mechanically coupled, and corresponding data interaction can be carried out wirelessly, such as
The communication mode such as WIFI, bluetooth, infrared.
LED electro-optical device of the invention is also used as the external lighting fixture of other image documentation equipments, such as
The external lighting fixture of mobile phone, with allow mobile phone can be obtained under different luminous environments specific image or
Video content.When mobile phone carries out imaging operations, this external lighting fixture can be by equipment
On ＆ off switch is directly opened, or is automatically opened up by sensing, and phase is carried out with the image documentation equipment on mobile phone
The pattern and parameter answered are interacted and controlled, to export corresponding light.Meanwhile, this external light
Device can be linked by the imaging function of communication interface and mobile phone, and specific interface can be by mobile phone
On all kinds that possess it is wired and wave point is communicated and linked, it is such as directly logical by earpiece holes
Letter and data exchange, or wirelessly communicated, link, and data exchange, for example
Communicated by way of WIFI or bluetooth, or cellular network, the communication pattern such as such as 3G, 4G
Carry out data exchange.
In fixed form, because mobile phone does not have specific hot shoe interface, external lighting fixture can be given
Corresponding bayonet socket is installed, by bayonet socket, external lighting fixture is fixed in handset, such as Figure 11
It is shown, alternatively, it is also possible to by this external lighting fixture be arranged on mobile phone earpiece holes, charging hole, or
Mode is fixed and connects on person's data exchange hole, etc..Certainly, during use, this
External lighting fixture can not also with mobile phone be mechanically coupled with fixation, corresponding data interaction can be with
Wirelessly carry out, such as WIFI, bluetooth, infrared communication mode, then lighting fixture
Corresponding light environment is exported in mobile telephone image function operation.
Certainly, as another deformation of the present embodiment, in the case where lighting fixture is external, color
Sensing device can also be arranged on image documentation equipment, and as shown in Figure 10, color sensor is arranged at image
In equipment, naturally it is also possible to colouring information is obtained using the imageing sensor on image documentation equipment, and is led to
The data-interface crossed between image documentation equipment and lighting fixture carries out data transmission, and exchanges and controls.
Image documentation equipment embodiment 2：
The present embodiment is with the difference of above-mentioned image documentation equipment embodiment 2, the lighting fixture of the present embodiment
Can be built in image documentation equipment, such as the image system structure chart of Figure 12 lighting fixtures that have been built-in.
In the present embodiment, the image documentation equipment 100 includes lighting fixture 200 and device for image 400,
It is of course also possible to other functional parts 500 outside including going out lighting fixture 200 and device for image 400,
Such as communication component, networked components etc..
The device for image 400 includes primary processor 403 and control interface, the lighting fixture and image
Device 300 is placed in the mechanical structure 408 of equipment together, and lighting fixture 200 has the machinery of oneself to connect
Mouth is attached and fixed with mechanical structure 408.Lighting fixture 200 is handed over by the data of oneself simultaneously
Alias 206 carries out data exchange and letter with the corresponding structure of primary processor 403 of device for image 300
Number transmission.There is lighting fixture 200 open circuit of oneself to be responsible for execution equipment maincenter with switch 204
The command signal that controller 205 sends to lighting fixture, the control of whole lighting fixture 200 and data
Locate reason equipment central controller 205 to perform.Equipment central controller to the control of lighting fixture with
Above-described embodiment is consistent, and this is no longer going to repeat them.
In the present embodiment, the control interface is display interface 407, is connected with primary processor 403
The communication interface 405 that also device for image is carried and display interface 407 for connecing, it can need user
On corresponding interface, corresponding interface can be Electronic Paper form to the data or presentation of information wanted,
The part of the forms such as LCD, OLED, certainly, control interface can also be button form.
In the image documentation equipment, the power source device power supply (DPS) 406 of each part, it not only can be with
Each part in device for image 400 provides electric power, it is also possible to each electricity consumption part in lighting fixture
Electric power is provided, the equipment central controller 205 such as in lighting fixture may be programmed LED drive power 208
Deng further, since the power consumption of the part in light units typically can be than larger, especially for driving
LED light source provides electric power, therefore can be one stand-by power supply of its special configuration in lighting fixture
212, the form of stand-by power supply can be it is built-in can also be it is external, in system, stand-by power supply
212 and the power supply of device power supply (DPS) 406 can be battery forms, or other kinds of energy storage part
Part, such as electric capacity, or be directly electrically connected with city and form of power required for changing forming apparatus etc..
For can built-in lighting fixture image documentation equipment it is basically identical with external, do not launching one by one herein.
Certainly, as another deformation of the present embodiment, in the case where lighting fixture is built-in, such as scheme
Shown in 13, color sensor is arranged on device for image, naturally it is also possible to using the figure on device for image
Colouring information is obtained as sensor, and is entered by the data-interface between image documentation equipment and lighting fixture
Row data transfer, exchanges and controls.
The lighting fixture light source module that not only spectrum with continuously adjustabe, color change are enriched, and
And with color detection and analytic function module, can be to the lamp of the output of ambient light and light source module
Optical property detected and and analyzed accordingly such that it is able to it is operationally right according to image documentation equipment
The ability of light output regulation is carried out during specific light environment requirement, for the work of image documentation equipment provides height
The light environment of quality and specialty.
External by the way that lighting fixture carried out, what color sensing apparatus can be at any time is analyzed to light characteristic,
And corresponding information is sent to central controller, and then central controller sends corresponding parameter and instruction is arrived
Luminous component such that it is able to more accurate, is more flexibly adjusted to lighting fixture, such that it is able to for
Image documentation equipment provides various different light environments when working, while simple structure, eliminates tradition for image
The external lighting fixture such as camera flash-light of equipment work, it is necessary to various filter parts, and solve biography
Unite image documentation equipment lighting fixture it is photochromic single, be difficult adjustment the shortcomings of.
By the way that lighting fixture to be carried out built-in, the corresponding control assembly of cooperation so that image documentation equipment structure essence
Letter, which part functional part can be shared, and flexible, novel functions are operated in use.
It is emphasized that protection scope of the present invention is including but not limited to above-mentioned specific embodiment.Should
Point out, for a person skilled in the art, under the premise without departing from the principles of the invention, can also make
Go out some deformations and improvement, these should also be considered as belonging to protection scope of the present invention.
Claims (10)
1. a kind of lamp light control method of image documentation equipment, the image documentation equipment includes lighting fixture, the light
Device includes light source module, and the light source module includes many color LED light sources, it is characterised in that the lamp
Electro-optical device also includes color sensing apparatus, and the color sensing apparatus carry out Real Time Monitoring simultaneously to ambient light
Determine the photochromic output of light source module.
2. a kind of image documentation equipment lamp light control method according to claim 1, it is characterised in that described
Color sensing apparatus can test and analyze the photochroic features of some characteristic areas in ambient light spectrum, be closed by function
System sets up the corresponding relation of color sensing apparatus signal and light source module luminous spectrum.
3. a kind of image documentation equipment lamp light control method according to claim 1, it is characterised in that described
Lighting needs parameter is preset with image documentation equipment, color sensing apparatus detection ambient light is simultaneously needed with the light
Ask parameter to be contrasted, determine the photochromic output parameter of light source module.
4. a kind of image documentation equipment lamp light control method according to claim 3, it is characterised in that
The ambient light of the color sensing apparatus detection is consistent with lighting needs parameter, and the light source module presses lamp
Light demand parameter enters light output element；The ambient light of the color sensing apparatus detection is needed with light
Ask what parameter differed, the color sensing apparatus call analyzer processes output light to be analyzed
Configuration parameter, the light source module enters light output element according to light configuration parameter.
5. a kind of image documentation equipment lamp light control method according to claim 3, it is characterised in that
Located at initial photochromic output parameter in the light source module, color sensing apparatus will detect ambient light and with
The lighting needs parameter and initial photochromic output parameter are contrasted, and judge whether to need to adjust light
The photochromic output parameter of source module.
6. a kind of image documentation equipment lamp light control method according to claim 5, it is characterised in that
The ambient light of the color sensing apparatus detection simultaneously analyzes initial photochromic output parameter, described initial photochromic
Output parameter meets lighting needs parameter under current environment light, and the light source module is according to initial photochromic
Output parameter enters light output element；The ambient light of the color sensing apparatus detection simultaneously analyzes initial
Photochromic output parameter, the initial photochromic output parameter is unsatisfactory for lighting needs ginseng under current environment light
Number, the color sensing apparatus call analyzer processes output light configuration parameter to be analyzed,
The light source module enters light output element according to light configuration parameter.
7. a kind of image documentation equipment lamp light control method according to claim 3, it is characterised in that described
Default lighting programmers can be operated by the corresponding function on image documentation equipment and reconfigured in image documentation equipment.
8. a kind of image documentation equipment lamp light control method according to claim 1, it is characterised in that described
Image documentation equipment is provided with whether the function of being detected to ambient light using color sensing apparatus is selected.
9. a kind of image documentation equipment lamp light control method according to claim 1, it is characterised in that described
Light source module includes equipment central controller, and the color sensing apparatus transmit the photochromic output parameter
To the equipment central controller.
10. a kind of image documentation equipment lamp light control method according to claim 1, it is characterised in that institute
In stating the ambient light of color sensing apparatus detection, including the illumination of ambient light, luminous flux, chromaticity coordinates,
Colour temperature, colour rendering index, spectrum and each color component numerical value.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510859419.7A CN106814520A (en) | 2015-12-01 | 2015-12-01 | A kind of lamp light control method for image documentation equipment |
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| CN201510859419.7A CN106814520A (en) | 2015-12-01 | 2015-12-01 | A kind of lamp light control method for image documentation equipment |
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Application publication date: 20170609 |