CN107272303B - A kind of photographic lamp system - Google Patents
A kind of photographic lamp system Download PDFInfo
- Publication number
- CN107272303B CN107272303B CN201710331822.1A CN201710331822A CN107272303B CN 107272303 B CN107272303 B CN 107272303B CN 201710331822 A CN201710331822 A CN 201710331822A CN 107272303 B CN107272303 B CN 107272303B
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- CN
- China
- Prior art keywords
- button
- optical diaphragm
- display screen
- diffusion particle
- light
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Classifications
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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
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
Abstract
The invention discloses a kind of photographic lamp systems.It includes singlechip controller, brightness and color temperature button component, dimming components, LED display module and photography luminaire display screen, button assembly, dimming components and the LED display module is connect with singlechip controller, and the photography luminaire display screen is connect with dimming components.The beneficial effects of the present invention are: realizing the brightness percentage and color temperature adjustment to photography luminaire display screen by brightness and the design of color temperature button component, can be simultaneously reached electrodeless change；By the design of dimming components, the light filling operation to photography luminaire display screen is realized, to meet the needs of setting show value；So that it is diffused to the edge of optical diaphragm come refracted light by the upper diffusion particle of optical diaphragm upper surface, expands the range of exposures of light；By the lower diffusion particle of optical diaphragm lower surface, so that forming an air layer between optical diaphragm and light guide plate.
Description
Technical field
The present invention relates to LED light correlative technology fields, refer in particular to a kind of photographic lamp system.
Background technique
Photography luminaire is also known as head lamp, interviewing lamp, news lamp, acts as flash lamp in digital phase on DV
As effect in machine.The object for thinking bat surface dark, has to use these secondary light sources, otherwise influences image sharpness,
It can not improve by post-processing.
Photography luminaire acts as effect of the flash lamp in digital camera on DV, wants to clap dark object
Body has to use these secondary light sources, and otherwise noise can be very big, and it is inadequate for depending the processing in later period alone.For not a small number of
For code video camera new hand, photography luminaire seemingly one it is extra without too big requirement, and be easiest to ignored
DV accessory.It is very little that this is also due to alternative photography luminaire in the market, and adds photography luminaire, DV
Carrying it is not very convenient, slightly not busy trouble allows many users to hang back.
For the player of senior grade, photography luminaire is an indispensable photographic equipment, in many occasions right and wrong
It is often useful.In fact, photography luminaire is a very important equipment in shooting, especially under the Outdoor Scene at night,
For example roast, camp, photography luminaire is even more indispensable important equipment.There is photography luminaire, making for DV can be extended
With range, without the limitation by light.
Existing photography luminaire generally uses light bulb as light source, so cannot achieve brightness and the adjusting of colour temperature, causes to take the photograph
The effect of shadow lamp substantially reduces.
Summary of the invention
The present invention is that in order to overcome the above deficiencies in the prior art, providing one kind can satisfy brightness and color
The photographic lamp system that temperature is adjusted.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of photographic lamp system, including singlechip controller, brightness and color temperature button component, dimming components, LED display mould
Block and photography luminaire display screen, the button assembly, dimming components and LED display module are connect with singlechip controller, institute
The photography luminaire display screen stated is connect with dimming components.
By brightness and the design of color temperature button component, the brightness percentage and color to photography luminaire display screen can be realized
Temperature is adjusted, and can be simultaneously reached electrodeless change；By the design of dimming components, it can be realized and light filling is carried out to photography luminaire display screen
Operation, to reach required show value；By the design of LED display module, can intuitively read brightness percentage with
And colour temperature is conducive to the debugging in later period in order to which operator is able to carry out record.
Preferably, the brightness and color temperature button component includes switching push button, colour temperature 3200K button, colour temperature 5600K
Button and adjusting knob, the switching push button, colour temperature 3200K button, colour temperature 5600K button and adjusting knob are and single-chip microcontroller
Controller connection.By the design of switching push button, the switching between brightness percentage and the independent adjusting of colour temperature can be realized；It is logical
The regulated value of colour temperature can be limited by crossing colour temperature 3200K button and colour temperature 5600K button；Pass through the design of adjusting knob, Neng Goushi
The specific adjusting of existing brightness percentage and colour temperature.
Preferably, the dimming components include DAC module, light adjusting circuit, instrument amplifier and ADC module, it is described
DAC module, light adjusting circuit, instrument amplifier and ADC module be sequentially connected, the DAC module and ADC module are and monolithic
Machine controller connection, the light adjusting circuit are connect with photography luminaire display screen.Singlechip controller can be sent to digital signal
DAC module is handled, and digital signal can be converted into analog signal after DAC module processing, and analog signal can be adjusted
Optical circuit reception processing, can be in photography display screen display processing after processing；Meanwhile the data after modulated light processing of circuit
It can be sent to instrument amplifier, instrument amplifier can be sent to the data processing received ADC module, and ADC module can be instrument
The analog signal that amplifier is sent is converted into digital signal, and digital signal can be input into singlechip controller and be handled,
And it is shown by LED display module.
Preferably, the LED display module is made of several LED charactrons.Pass through the design of LED charactrons, energy
Enough intuitive values for reading color temperature value and brightness percentage, in this way can be convenient for colour temperature and brightness percentage progress data
It collects and records.
Preferably, further include DMX512 controller, set that there are two control button and one on the DMX512 controller
Group is equipped with two groups of lamp beads in the photography luminaire display screen, wherein two groups of lamp beads for controlling the toggle switch of colour temperature and brightness
Cross arrangement, the corresponding two groups of lamp beads of two control buttons, the DMX512 controller are connect with singlechip controller.Dial-up is opened
It closes for selecting control channel and controls brightness percentage and colour temperature；Meanwhile LED lamp bead is controlled by control button, to realize
The adjusting of brightness percentage and colour temperature.
Preferably, the photography display screen be equipped with optical diaphragm, the optical diaphragm be placed in LED lamp bead it
On, the upper surface central area of the optical diaphragm is equipped with spherical diffusion particle, and the spherical diffusion particle is in close contact
On the central area of distribution optics diaphragm upper surface.The center of spherical diffusion particle close contact distribution optics diaphragm upper surface
On domain, the uniformity and brightness of light are improved.
Preferably, the upper surface of the optical diaphragm is equipped with upper expansion to edge on one side from close to spherical diffusion particle
Dissipate particle, the cross section of the upper diffusion particle is parallelogram, the inclined direction of the parallelogram be from centre to
The direction of edge.When light reaches optical diaphragm upper surface through optical diaphragm, due to the effect of upper diffusion particle, so that light
It is reflected to the edge of optical diaphragm, to expand the range of exposures of light.
Preferably, the parallelogram is made of the right angled triangle as two.Design improves light in this way
Refractive index inside upper diffusion particle, enables optical diaphragm to obtain more light in edge.
Preferably, having gap between two neighboring upper diffusion particle, the width in the gap is less than parallelogram
Height.The light come out from previous upper diffusion particle enters in air, and light is integrally moved up, is then entered back into
Into next upper diffusion particle, the utilization rate of light can be effectively improved.
Preferably, the lower surface of the optical diaphragm is equipped with lower diffusion particle, the lower diffusion particle is elliposoidal
Particle, the half volume that the Ellipsoid shaped particle contains short axle are placed in optical diaphragm, two neighboring Ellipsoid shaped particle it
Between have interval.So on the one hand design enables to the light emitted from LED lamp bead more to assemble, and on the other hand makes optics
There are certain gaps between diaphragm and LED lamp bead, form an air layer.
The beneficial effects of the present invention are: being realized by brightness and the design of color temperature button component to photography luminaire display screen
Brightness percentage and color temperature adjustment, can be simultaneously reached electrodeless change；By the design of dimming components, realize to photography luminaire
The light filling of display screen operates, to meet the needs of setting show value；It is reflected by the upper diffusion particle of optical diaphragm upper surface
Light makes it diffuse to the edge of optical diaphragm, expands the range of exposures of light；Pass through the lower expansion of optical diaphragm lower surface
Particle is dissipated, so that forming an air layer between optical diaphragm and light guide plate.
Detailed description of the invention
Fig. 1 is system block diagram of the invention；
Fig. 2 is the structural schematic diagram of photography luminaire display screen；
Fig. 3 is the structural schematic diagram of optical diaphragm.
In figure: 1. singlechip controllers, 2.LED display module, 3. switching push buttons, 4. colour temperature 3200K buttons, 5. colour temperatures
5600K button, 6. adjusting knobs, 7.DMX512 controller, 8. photography luminaire display screens, 9.DAC module, 10. light adjusting circuits, 11.
Instrument amplifier, 12.ADC module, 13. optical diaphragms, 14.LED lamp bead, 15. spherical diffusion particles spread particle on 16.,
17. lower spread particle.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
In embodiment as described in Figure 1, a kind of photographic lamp system, including singlechip controller 1, brightness and color temperature button group
Part, dimming components, LED display module 2 and photography luminaire display screen 8, button assembly, dimming components and LED display module 2 with list
Piece machine controller 1 connects, and photography luminaire display screen 8 is connect with dimming components.Brightness and color temperature button component include switching push button 3,
Colour temperature 3200K button 4, colour temperature 5600K button 5 and adjusting knob 6, switching push button 3, colour temperature 3200K button 4, colour temperature 5600K are pressed
Button 5 and adjusting knob 6 are connect with singlechip controller 1.Dimming components include DAC module 9, light adjusting circuit 10, instrument amplification
Device 11 and ADC module 12, DAC module 9, light adjusting circuit 10, instrument amplifier 11 and ADC module 12 are sequentially connected, DAC module 9
It is connect with singlechip controller 1 with ADC module 12, light adjusting circuit 10 is connect with photography luminaire display screen 8.LED display module 2 by
Several LED charactrons are constituted.
The photographic lamp system further includes DMX512 controller 7, is set on DMX512 controller 7 there are two control button and one group
For controlling the toggle switch of colour temperature and brightness, as shown in Fig. 2, two groups of lamp beads are equipped in photography luminaire display screen 8, wherein two groups of lamps
Pearl cross arrangement, the corresponding two groups of lamp beads of two control buttons, DMX512 controller 7 are connect with singlechip controller 1.
As shown in figure 3, photography display screen is equipped with optical diaphragm 13, optical diaphragm 13 is placed on LED lamp bead 14, optics
The upper surface central area of diaphragm 13 is equipped with spherical diffusion particle 15, and spherical diffusion particle 15 is in close contact distribution optics diaphragm
On the central area of 13 upper surfaces.The upper surface of optical diaphragm 13 being equipped with to edge on one side from close spherical diffusion particle 15
Upper diffusion particle 16, the cross section of upper diffusion particle 16 are parallelogram, the inclined direction of parallelogram be from centre to
The direction of edge.Parallelogram is made of the right angled triangle as two.Have between two neighboring upper diffusion particle 16
The width in gap, gap is less than the height of parallelogram.The lower surface of optical diaphragm 13 is equipped with lower diffusion particle 17, lower expansion
Dissipating particle 17 is Ellipsoid shaped particle, and the half volume that Ellipsoid shaped particle contains short axle is placed in optical diaphragm 13, adjacent two
There is interval between a Ellipsoid shaped particle.
The major function of the photographic lamp system is that photography luminaire display screen 8 can be adjusted in the form of brightness percentage, may be used also
To adjust photography luminaire display screen 8 in the form of colour temperature.When the corresponding indicator light of switching push button 3 is shown as " % " and refers to adjust at this time
The value that knob 6 is changed is the percentage of brightness, and color is shown in colour temperature 3200K button 4 and colour temperature 5600K button 5 at this time
Warm definite value 3200K and 5600K controls the brightness percentage of photography luminaire display screen 8 by adjusting knob 6；If indicator light is shown as
The value that " color " refers to that adjusting knob 6 is changed at this time is colour temperature, and colour temperature 3200K button 4 and colour temperature 5600K button 5 are at this time
It refers to that colour temperature maximum value is 3200K and 5600K, the colour temperature of photography luminaire display screen 8, wherein brightness is controlled by adjusting knob 6
Percentage is that switching push button 3 determines value when being switched to colour temperature.
Data variation of the adjusting knob 6 in adjustment process can be all shown in LED display module 2.Colour temperature 3200K button
4, the information that colour temperature 5600K button 5 and adjusting knob 6 are adjusted can all be received by the analog input end of singlechip controller 1, be passed through
The manageable digital signal of digital circuit is converted into after processing, singlechip controller 1 can believe the number after processing
Number being sent to DAC module 9 is handled, and digital signal can be converted into analog signal after handling by DAC module 9, is simulated
Signal meeting 10 reception of modulated light circuit processing, can show processing on photography luminaire display screen 8 after processing；At the same time, it is adjusted
Treated data can also the be sent to instrument amplifier 11 of optical circuit 10, instrument amplifier 11 can send the data processing received
To ADC module 12, the analog signal that instrument amplifier 11 is sent can be converted into digital signal, digital signal by ADC module 12
Singlechip controller 1 can be input into be handled.If the data value of data and setting that instrument amplifier 11 is fed back
There is deviation, singlechip controller 1 can compensate dim signal, such as: if instrument amplifier 11 returns to data back
It is brightness percentage or colour temperature lower than set show value, singlechip controller 1, which will increase, at this time is input to DAC module 9
Digital signal numerical value, and then increase DAC module 9 and be input to the voltage of light adjusting circuit 10, increase corresponding brightness or color
Temperature；If it is that brightness percentage or colour temperature are higher than set show value that instrument amplifier 11, which returns to data back, at this time
Singlechip controller 1 can reduce the numerical value for being input to the digital signal of DAC module 9, and then reduce the input light modulation electricity of DAC module 9
The voltage on road 10 reduces corresponding brightness or colour temperature, and so on, until brightness and colour temperature on photography luminaire display screen 8
Information reaches set value.
There is one group of toggle switch, on DMX512 controller 7 for selecting control channel.When DMX512 controller 7 accesses
When singlechip controller 1, toggle switch is pushed corresponding control channel at this time, it can be by DMX512 controller 7 to photography luminaire
Display screen 8 is controlled, and can control brightness percentage and colour temperature.Photography luminaire display screen 8 is two groups of difference lamp bead cross arrangements
, so needing two control buttons of DMX512 controller 7 to control two groups of lamp beads.
The light source emitted by LED lamp bead 14 is when by the lower surface of optical diaphragm 13, due to the effect of Ellipsoid shaped particle,
Certain focusing light effect can be played.When light reaches 13 upper surface of optical diaphragm, a part of light passes through spherical diffusion particle
15 carry out luminous, increase luminous intensity；Another part light spreads the transversal of particle 16 by upper diffusion particle 16, due to upper
Face is the parallelogram being made of the right angled triangle as two, wherein right angled triangle is the direct triangle of isosceles, light
When line enters arrival bevel edge from the right-angle side of a right angled triangle, goes out optical diaphragm 13 after a part of light refraction and shine, separately
It enters in another right angled triangle after a part transmitting, when reaching the bevel edge in this right angled triangle, carries out secondary
Refraction and reflection, the light of reflection go out optical diaphragm 13 from the right-angle side of another right angled triangle and shine, and the light after refraction enters
Into upper diffusion particle 16 later, optical line before repeating, the light carried out again is transmitted to next upper diffusion
In particle 16, repeatedly, so that light is transmitted by the inclined-plane of upper diffusion particle 16 to the edge of optical diaphragm 13,
Due to being equipped with certain interval between upper diffusion particle 16, since the refractive index of upper diffusion particle 16 is greater than the refractive index of air,
When so that the light reflected from previous upper diffusion particle 16 being transmitted in air, refraction angle becomes larger, so that light
Line is integrally moved up by air dielectric, can have more light to reach next upper diffusion particle 16, to improve light
Utilization rate.
The photographic lamp system is guide-lighting using plate of new generation, and light is soft, and lighting is uniform, and wide according to width, colour temperature is accurate,
Realize high color rendering index (CRI): colour temperature 3200K, colour rendering index Ra >=95.8；Colour temperature 5600K, colour rendering index Ra >=93.1, colour temperature tune
It saves fineness 50k and is continuously adjusted；Complete machine emitting brightness is set to realize 0-100% etalon optical power, 0.1% continuously linear of fineness adjustment can
It adjusts.
Claims (7)
1. a kind of photographic lamp system, characterized in that including singlechip controller (1), brightness and color temperature button component, light modulation group
Part, LED display module (2) and photography luminaire display screen (8), the button assembly, dimming components and LED display module (2) are equal
It is connect with singlechip controller (1), the photography luminaire display screen (8) is connect with dimming components, the photography luminaire display screen
Be equipped with optical diaphragm (13), the optical diaphragm (13) is placed on LED lamp bead (14), the optical diaphragm (13) it is upper
Centre of surface region is equipped with spherical diffusion particle (15), and spherical diffusion particle (15) close contact is distributed in optical film
On the central area of piece (13) upper surface, the upper surface of the optical diaphragm (13) is from one side close to spherical diffusion particle (15)
To edge be equipped with upper diffusion particle (16), it is described it is upper diffusion particle (16) cross section be parallelogram, described parallel four
The inclined direction of side shape is among optical diaphragm to the direction of edge, between having between two neighboring upper diffusion particle (16)
The width of gap, the gap is less than the height of parallelogram.
2. a kind of photographic lamp system according to claim 1, characterized in that the brightness and color temperature button component includes
Switching push button (3), colour temperature 3200K button (4), colour temperature 5600K button (5) and adjusting knob (6), the switching push button (3),
Colour temperature 3200K button (4), colour temperature 5600K button (5) and adjusting knob (6) are connect with singlechip controller (1).
3. a kind of photographic lamp system according to claim 1, characterized in that the dimming components include DAC module
(9), light adjusting circuit (10), instrument amplifier (11) and ADC module (12), the DAC module (9), light adjusting circuit (10), instrument
Table amplifier (11) and ADC module (12) are sequentially connected, and the DAC module (9) and ADC module (12) are controlled with single-chip microcontroller
Device (1) connection, the light adjusting circuit (10) are connect with photography luminaire display screen (8).
4. a kind of photographic lamp system according to claim 1, characterized in that the LED display module (2) is by several
LED charactrons are constituted.
5. a kind of photographic lamp system according to claim 1, characterized in that it further include DMX512 controller (7), it is described
It is set on DMX512 controller (7) there are two the toggle switch that control button and one group are used to control colour temperature and brightness, described takes the photograph
Two groups of LED lamp beads (14) are equipped in shadow lamp display screen (8), wherein two groups of LED lamp bead (14) cross arrangements, two control buttons pair
Two groups of LED lamp beads (14) are answered, the DMX512 controller (7) is connect with singlechip controller (1).
6. a kind of photographic lamp system according to claim 1, characterized in that the parallelogram is as two
Right angled triangle is constituted.
7. a kind of photographic lamp system according to claim 1, characterized in that the lower surface of the optical diaphragm (13) is equipped with
Lower diffusion particle (17), the lower diffusion particle (17) are Ellipsoid shaped particle, and the Ellipsoid shaped particle contains two points of short axle
One of volume be placed in optical diaphragm (13), have interval between two neighboring Ellipsoid shaped particle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331822.1A CN107272303B (en) | 2017-05-11 | 2017-05-11 | A kind of photographic lamp system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710331822.1A CN107272303B (en) | 2017-05-11 | 2017-05-11 | A kind of photographic lamp system |
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| Publication Number | Publication Date |
|---|---|
| CN107272303A CN107272303A (en) | 2017-10-20 |
| CN107272303B true CN107272303B (en) | 2019-09-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710331822.1A Active CN107272303B (en) | 2017-05-11 | 2017-05-11 | A kind of photographic lamp system |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050029180A (en) * | 2005-02-23 | 2005-03-24 | 한국정보통신대학교 산학협력단 | An intelligence lighting apparatus |
| CN201436444U (en) * | 2009-04-03 | 2010-04-07 | 深圳市深华龙科技实业有限公司 | An illuminating LED area light source |
| CN201869406U (en) * | 2010-10-12 | 2011-06-15 | 上海欧切斯实业有限公司 | LED (light-emitting diode) control diming decoder |
| CN203162644U (en) * | 2013-03-20 | 2013-08-28 | 四川柏狮光电技术有限公司 | LED intelligent lighting device |
| CN203261517U (en) * | 2013-04-03 | 2013-10-30 | 余姚利帅影视器材有限公司 | LED photoflood lamp capable of accurately displaying brightness and color temperature |
-
2017
- 2017-05-11 CN CN201710331822.1A patent/CN107272303B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20050029180A (en) * | 2005-02-23 | 2005-03-24 | 한국정보통신대학교 산학협력단 | An intelligence lighting apparatus |
| CN201436444U (en) * | 2009-04-03 | 2010-04-07 | 深圳市深华龙科技实业有限公司 | An illuminating LED area light source |
| CN201869406U (en) * | 2010-10-12 | 2011-06-15 | 上海欧切斯实业有限公司 | LED (light-emitting diode) control diming decoder |
| CN203162644U (en) * | 2013-03-20 | 2013-08-28 | 四川柏狮光电技术有限公司 | LED intelligent lighting device |
| CN203261517U (en) * | 2013-04-03 | 2013-10-30 | 余姚利帅影视器材有限公司 | LED photoflood lamp capable of accurately displaying brightness and color temperature |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107272303A (en) | 2017-10-20 |
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Denomination of invention: A kind of photographic lamp system Effective date of registration: 20210609 Granted publication date: 20190920 Pledgee: Zhejiang Tonglu rural commercial bank Limited by Share Ltd. Feng Chuan branch Pledgor: HANGZHOU XINHU ELECTRONIC Co.,Ltd. Registration number: Y2021330000525 |
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