CN207638935U - A kind of photography luminaire - Google Patents
A kind of photography luminaire Download PDFInfo
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- CN207638935U CN207638935U CN201721542899.5U CN201721542899U CN207638935U CN 207638935 U CN207638935 U CN 207638935U CN 201721542899 U CN201721542899 U CN 201721542899U CN 207638935 U CN207638935 U CN 207638935U
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- 239000011324 bead Substances 0.000 claims description 78
- 239000000758 substrate Substances 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 12
- 239000003086 colorant Substances 0.000 claims description 9
- 241001025261 Neoraja caerulea Species 0.000 claims description 7
- 241001062009 Indigofera Species 0.000 claims 1
- 238000001514 detection method Methods 0.000 description 4
- 238000004020 luminiscence type Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 244000283207 Indigofera tinctoria Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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Abstract
The utility model discloses a kind of photography luminaires, including：First sensor module, the ambient light data for obtaining external environment；Lamp group is simulated, for carrying out simulation output according to the ambient light data；Second sensor module, the simulation output light data for obtaining the simulation lamp group simulation output；Control module is connect with reality output lamp group, the simulation lamp group, the first sensor module, second sensor module by signal respectively, is exported for controlling reality output lamp group according to the simulation output light data.The utility model carries out real-time ambient light data acquisition using first sensor module, it simulates lamp group and carries out real-time simulation output, second sensor module carries out real-time simulation output light data acquisition, make control module according to the output of simulation output light data real-time control reality output lamp group, by making the output light of reality output lamp group more stablize and accurately.
Description
Technical field
The utility model is related to the LED field more particularly to a kind of photography luminaires.
Background technology
Occur various LED photography luminaires on the market at present, colour temperature may be implemented substantially, brightness is adjustable.But it is universal
It can have a problem that, colour temperature is big with actual deviation, and the reason of causing this deviation is that their LED light is an open loop control
System processed.
So-called open-loop control system is the control system that input signal is not influenced by output signal, that is, not by control
As a result feeding back influences current control system.On the other side is closed-loop control system, and closed-loop control system particular content is
Refer to：Part or all of control system output amount, by the anti-input terminal for sending system back to of certain method and apparatus, then will
Feedback information is compared with original input, then result of the comparison is applied to system and is controlled, and system is avoided to deviate predetermined mesh
Mark.
What closed-loop system utilized is negative-feedback, and automatically controlling for closed circuit is constituted by signal forward path and feedback network
System, also known as feedback control system.
Because adjustable LED on the market is to use open-loop control system, also the light of output is carried out with regard to not real-time
Feedback can all bring error when the temperature of LED lamp bead supplied materials variant (wavelength, luminous intensity etc.) or LED lamp bead rises, lead to reality
Light and the theoretical value of border output have relatively large deviation, deviate predeterminated target, are embodied in colour temperature precision not enough or the side such as white light colour cast
Face.
Invention content
The purpose of this utility model is in view of the above-mentioned drawbacks of the prior art, providing a kind of photography luminaire.
The technical solution adopted in the utility model be design a kind of photography luminaire, including：First sensor module, for obtaining
Take the ambient light data of external environment；Lamp group is simulated, for carrying out simulation output according to the ambient light data；Second sensor
Module, the simulation output light data for obtaining the simulation lamp group simulation output；Control module, respectively with reality output lamp
Group, the simulation lamp group, the first sensor module, the connection of second sensor module by signal, for defeated according to the simulation
Light data control reality output lamp group is exported.
Preferably, the control module includes：Main control unit and signal conversion unit, the simulation lamp group pass through first
Constant current source module is coupled to the signal conversion unit, and the reality output lamp group is coupled to described by the second constant current source module
Signal conversion unit.The digital signal of the main control unit is converted to analog signal so that described by the signal conversion unit
One constant current source module is exported with simulation lamp group described in the second constant-current source module drive with reality output lamp group.
Preferably, the reality output lamp group and the simulation lamp group are distributed on the substrate not by substrate and in groups
LED lamp bead with color forms.The LED lamp bead of every group of different colours is the reality output lamp group and the simulation lamp group
Luminescence unit, adjust the ginseng of the photography luminaire output light by adjusting the output of LED lamp bead of every group of different colours
Number.
Preferably, the reality output lamp group and the simulation lamp group are distributed on the substrate not by substrate and in groups
LED lamp bead with colour temperature forms.The LED lamp bead of every group of different-colour is the reality output lamp group and the simulation lamp group
Luminescence unit, adjust the color of the photography luminaire output light by adjusting the colour temperature of LED lamp bead of every group of different-colour
Temperature.
Preferably, the LED lamp bead quantity of the reality output lamp group is more than the LED light quantity of the simulation lamp group.It is described
Reality output lamp group needs to export outside photography environment, it is therefore desirable to more LED lamp bead；The simulation lamp group is used for
Simulation output, therefore only need a small amount of LED lamp bead.
Preferably, the output power of the reality output lamp group is more than the output power of the simulation lamp group.Possess bigger
The reality output lamp group of output power keeps the output effect of the photography luminaire more obvious.
Preferably, the LED lamp bead of the different colours is white light LEDs lamp bead, red-light LED lamp bead, green light LED lamp bead and indigo plant
Light LED lamp bead.The light that the red-light LED lamp bead, green light LED lamp bead and blue-ray LED lamp bead are sent out can be mixed, described in cooperation
The colour temperature of the photography luminaire is adjusted in white light LEDs lamp bead.
Preferably, the first constant current source module includes with the second constant current source module：For driving the white light LEDs
The white light driving circuit of lamp bead, to drive the feux rouges driving circuit of the red-light LED lamp bead, to drive the green light LED
The green light driving circuit of lamp bead, and to drive the blu-ray drives circuit of the blue-ray LED lamp bead.
Preferably, the main control unit includes MCU, sends out the adjusting that instruction controls the photography luminaire.
Preferably, the first sensor module, the second sensor module include RGB sensors.RGB sensor energy
The RGB parameters of enough detection lights.
Compared with prior art, the utility model at least has the advantages that：The utility model utilizes the first sensing
Device module carries out real-time ambient light data acquisition, and simulation lamp group carries out real-time simulation output, and second sensor module carries out
Real-time simulation output light data acquisition, makes control module according to the defeated of simulation output light data real-time control reality output lamp group
Go out, by making the output light of reality output lamp group more stablize and accurately.
Description of the drawings
Fig. 1 is the system diagram of the utility model embodiment.
Fig. 2 is the module annexation figure of the utility model embodiment.
Wherein：1, control module, 11, main control unit, 12, signal conversion unit, 2, first sensor module, 3, second passes
Sensor module, 4, reality output lamp group, 5, simulation lamp group, the 6, second constant current source module, the 61, second white light driving circuit, 62, the
Two feux rouges driving circuits, the 63, second green light driving circuit, the 64, second blu-ray drives circuit, the 7, first constant current source module, 71,
One white light driving circuit, the 72, first feux rouges driving circuit, the 73, first green light driving circuit, the 74, first blu-ray drives circuit.
Specific implementation mode
The utility model is described further with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, the utility model proposes a kind of photography luminaires, including：First sensor module 2, for obtaining
Take the ambient light data of external environment；Lamp group 5 is simulated, for carrying out simulation output according to the ambient light data；Second sensing
Device module 3, the simulation output light data for obtaining simulation 5 simulation output of lamp group；Control module 1, it is defeated with reality respectively
Go out lamp group 4, the simulation lamp group 5, the first sensor module 2, the connection of 3 signal of second sensor module, for according to institute
Simulation output light data control reality output lamp group 4 is stated to be exported.
Specifically, obtaining the ambient light data of external environment by first sensor module 2；According to external environment light data
Simulation output is carried out by simulating lamp group 5；The simulation of simulation 5 simulation output of lamp group is obtained by second sensor module 3
Export light data；According to the simulation output light data adjust the output data control reality output lamp group 4 of reality output light into
Row output.By the ambient light data for the external environment that the first sensor module 2 obtains, input value input control can be used as
It is stored in module 1, the output control signal of the control module 1, the control progress of simulation lamp group 5 simulation output, described second
Sensor assembly 3 obtains the simulation output light data of simulation 5 simulation output of lamp group in real time, by the simulation output light data
Analyzing processing in the control module 1 is inputted, and exports control signal, control adjusts the output light of the reality output lamp group 4,
Form a closed loop feedback system.
Specifically, if the output data of the output light of the reality output lamp group 4 is X, the simulation lamp group 5 is according to environment
The output data of the output light of light data simulation is X-1, then the control module 1 adjusts reality output light to X-1.
In the utility model embodiment, the control module 1 includes：Main control unit 11 and signal conversion unit 12,
The simulation lamp group 5 is coupled to the signal conversion unit 12 by the first constant current source module 7, and the reality output lamp group 4 is logical
It crosses the second constant current source module 6 and is coupled to the signal conversion unit 12.The signal conversion unit 12 is by the main control unit 11
Digital signal be converted to analog signal so that the first constant current source module 7 and the second constant current source module 6 drive it is described
Lamp group 5 is simulated to export with reality output lamp group 4.
The main control unit 11 is the control hinge of entire photographic lamp system, and instruction control is sent out by the main control unit 11
Each generic module, then its submodule is controlled by each generic module.The main control unit 11 exports pwm control signal.
The signal conversion unit 12 is that PWM turns DAC elements, can convert the PWM count word signal that main control unit 11 exports
For the analog signal of voltage, so that the first constant current source module 7 and the second constant current source module 6 use.
In the utility model embodiment, the reality output lamp group 4 and the simulation lamp group 5 are distributed by substrate and in groups
The LED lamp bead of different colours on the substrate forms.The LED lamp bead of every group of different colours be the output lamp group and
The luminescence unit of the simulation lamp group 5, the photography is adjusted by the parameter of the LED lamp bead of adjusting every group of different colours
The parameter of lamp output light.
In the utility model embodiment, the output lamp group and the simulation lamp group are distributed in described by substrate and in groups
The LED lamp bead of different-colour on substrate forms.Preferably, the luminous list of the reality output lamp group 4 and the simulation lamp group 5
Member is made of bi-colour light, and the bi-colour light is combined by a low color temperature lamp bead and a high color temperature lamp bead, the low color temperature lamp bead and
The high color temperature lamp bead is LED lamp bead.By adjusting the low color temperature LED lamp bead with the high color temperature LED lamp bead so that described
The colour temperature of reality output lamp group 4 and the simulation lamp group 5 is adjusted, to adjust the colour temperature of the photography luminaire.Specially increase
The output for adding the low color temperature LED lamp bead, can reduce the colour temperature of the photography luminaire；The output of the high color temperature LED lamp bead is increased,
The colour temperature of the photography luminaire can be increased.
In the utility model embodiment, the LED lamp bead quantity of the reality output lamp group 4 is more than the simulation lamp group 5
LED light quantity.The reality output lamp group 4 needs to export outside photography environment, it is therefore desirable to more LED light
Pearl；The simulation lamp group 5 is used for simulation output, therefore only needs a small amount of LED lamp bead.
The substrate size of the reality output lamp group 4 is also greater than the size of the simulation lamp group 5, the reality output lamp group
The group number for the LED light being distributed on 4 is also more than the group number for the LED light being distributed in the simulation lamp group 5.
In the utility model embodiment, the output power of the reality output lamp group 4 is more than the defeated of the simulation lamp group 5
Go out power.Possessing the reality output lamp group 4 of bigger output power keeps the output effect of the photography luminaire more obvious.The reality
It exports lamp group 4 and does not share constant current source module with the simulation lamp group 5, output power is different, due to being deposited when LED lamp bead is dispatched from the factory
It in difference, needs to be corrected, correction data is cured in the main control unit 11, main control unit 11 is needed to the mould
The output light of quasi- lamp group 5, which is acquired and adjusts control, can just make reality output lamp group 4 keep synchronism output.
In the utility model embodiment, the LED lamp bead of different colours described in described every group is white light LEDs lamp bead（W）, it is red
Light LED lamp bead（R）, green light LED lamp bead（G）And blue-ray LED lamp bead（B）.Wherein, the luminous lamp bead wanted based on white light LEDs lamp bead,
Feux rouges, green light and blue-ray LED lamp bead are adjustable mixed light LED lamp bead, and mixed light LED lamp bead is adjusting the color of the photography luminaire
Temperature.
Specifically, when the light output of white light LEDs lamp bead is fixed, increase the output of the red LED lamp, and increases suitable
The output of the green light LED lamp bead of amount can reduce the colour temperature of the photography luminaire output light；Likewise, the light in white light LEDs lamp bead is defeated
When going out fixed, increase the output of the blue LED lamp, and increase the output of suitable green light LED lamp bead, the photography can be increased
The colour temperature of lamp output light.
In the utility model embodiment, the main control unit includes MCU.
In the utility model embodiment, the first constant current source module 7 includes with the second constant current source module 6：With
In the white light driving circuit for driving the white light LEDs lamp bead, to drive the feux rouges driving circuit of the red-light LED lamp bead, use
To drive the green light driving circuit of the green light LED lamp bead, and to drive the blu-ray drives electricity of the blue-ray LED lamp bead
Road.
Specifically, the first constant current source module 7 includes：To drive the of white light LEDs lamp bead in the simulation lamp group 5
One white light driving circuit 71, to drive the first feux rouges driving circuit 72 of red-light LED lamp bead in the simulation lamp group 5, to
The first green light driving circuit 73 of green light LED lamp bead in the simulation lamp group 5 is driven, and to drive the simulation lamp group 5
First blu-ray drives circuit 74 of upper blue light LED lamp bead；Meanwhile the second constant current source module 6 includes：To drive the reality
Border exports the second white light driving circuit 61 of white light LEDs lamp bead in lamp group 4, to drive feux rouges in the reality output lamp group 4
Second feux rouges driving circuit 62 of LED lamp bead, to drive the second green light of green light LED lamp bead in the reality output lamp group 4
Driving circuit 63, and the second blu-ray drives circuit 64 to blue light LED lamp bead in the reality output lamp group 4.
In addition, the control module 1, the simulation lamp group 5 and the second sensor module 3 are integrated in a control box
Interior, the first sensor module 2 is arranged with the reality output lamp group 4 outside the control box.
In the utility model embodiment, the first sensor module 2 includes RGB with the second sensor module 3
Sensor either the RGB parameters of tristimulus values XYZ sensors RGB sensors or tristimulus values XYZ sensor detection lights or
Tristimulus values XYZ parameters, and give the RGB parameters of light or tristimulus values XYZ parameter feedbacks to the control module 1.
Certainly, the first sensor module 2 and the second sensor module 3 can also be the other parameters of detection light
Sensor, such as detection light brightness photosensitive sensor etc..
Above-described embodiment is merely to illustrate specific embodiment of the present utility model.It should be pointed out that for this field
Those of ordinary skill for, without departing from the concept of the premise utility, several deformations and variation can also be made, this
A little deformations and variation should all belong to the scope of protection of the utility model.
Claims (10)
1. a kind of photography luminaire, which is characterized in that including：
First sensor module, the ambient light data for obtaining external environment；
Lamp group is simulated, for carrying out simulation output according to the ambient light data；
Second sensor module, the simulation output light data for obtaining the simulation lamp group simulation output；
Control module, respectively with reality output lamp group, the simulation lamp group, the first sensor module, second sensor mould
Block signal connects, and is exported for controlling reality output lamp group according to the simulation output light data.
2. photography luminaire as described in claim 1, which is characterized in that the control module includes：Main control unit and signal turn
Unit is changed, the simulation lamp group is coupled to the signal conversion unit, the reality output lamp group by the first constant current source module
It is coupled to the signal conversion unit by the second constant current source module.
3. photography luminaire as claimed in claim 2, which is characterized in that the output lamp group and the simulation lamp group by substrate and at
The LED lamp bead composition of the different colours of group distribution on the substrate.
4. photography luminaire as described in claim 1, which is characterized in that the output lamp group and the simulation lamp group by substrate and at
The LED lamp bead composition of the different-colour of group distribution on the substrate.
5. photography luminaire as described in claim 3 or 4, which is characterized in that the LED lamp bead quantity of the reality output lamp group is more than
The LED light quantity of the simulation lamp group.
6. photography luminaire as claimed in claim 5, which is characterized in that the output power of the reality output lamp group is more than the mould
The output power of quasi- lamp group.
7. photography luminaire as claimed in claim 3, which is characterized in that the LED lamp bead of the different colours be white light LEDs lamp bead,
Red-light LED lamp bead, green light LED lamp bead and blue-ray LED lamp bead.
8. photography luminaire as claimed in claim 7, which is characterized in that the first constant current source module and the second constant-current source mould
Block includes：White light driving circuit for driving the white light LEDs lamp bead, to drive the feux rouges of the red-light LED lamp bead to drive
Dynamic circuit, to drive the green light driving circuit of the green light LED lamp bead, and to drive the indigo plant of the blue-ray LED lamp bead
Light drive circuit.
9. photography luminaire as claimed in claim 2, which is characterized in that the main control unit includes MCU.
10. photography luminaire as described in claim 1, which is characterized in that the first sensor module, the second sensor mould
Block includes RGB sensors.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721542899.5U CN207638935U (en) | 2017-11-17 | 2017-11-17 | A kind of photography luminaire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721542899.5U CN207638935U (en) | 2017-11-17 | 2017-11-17 | A kind of photography luminaire |
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| Publication Number | Publication Date |
|---|---|
| CN207638935U true CN207638935U (en) | 2018-07-20 |
Family
ID=62856864
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721542899.5U Withdrawn - After Issue CN207638935U (en) | 2017-11-17 | 2017-11-17 | A kind of photography luminaire |
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| Country | Link |
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| CN (1) | CN207638935U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107969038A (en) * | 2017-11-17 | 2018-04-27 | 深圳市爱图仕影像器材有限公司 | A kind of photography luminaire and control method |
-
2017
- 2017-11-17 CN CN201721542899.5U patent/CN207638935U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107969038A (en) * | 2017-11-17 | 2018-04-27 | 深圳市爱图仕影像器材有限公司 | A kind of photography luminaire and control method |
| CN107969038B (en) * | 2017-11-17 | 2024-04-05 | 深圳爱图仕创新科技股份有限公司 | Photographic lamp and control method |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 518000 Longping Community Department, Dalang Street, Longhua District, Shenzhen City, Guangdong Province Jiuwo Longjun Industrial Zone, Building 21, 2nd to 4th floors (one photo multi site enterprise) Patentee after: Shenzhen Aitushi Innovation Technology Co.,Ltd. Address before: Floor 3, Building 21, Longjun Industrial Zone, Heping Road, Dalang Street, Bao'an District, Shenzhen, Guangdong 518000 Patentee before: APUTURE IMAGING INDUSTRIES Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180720 Effective date of abandoning: 20240405 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20180720 Effective date of abandoning: 20240405 |
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| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |