CN110062506A - A kind of sunlight simulating device and its driving method - Google Patents
A kind of sunlight simulating device and its driving method Download PDFInfo
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- CN110062506A CN110062506A CN201910438476.6A CN201910438476A CN110062506A CN 110062506 A CN110062506 A CN 110062506A CN 201910438476 A CN201910438476 A CN 201910438476A CN 110062506 A CN110062506 A CN 110062506A
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- 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
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
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- 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
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- H05B45/10—Controlling the intensity of the light
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Abstract
The invention discloses a kind of sunlight simulating device and its driving methods, sunlight simulating device includes first light source, second light source and the drive control unit being electrically connected with the first light source and the second light source, and the colour temperature of the first light source is less than the colour temperature of the second light source；The drive control unit is configured as rising the time according to day, and in the first preset time period, the brightness for controlling the first light source is increased to the second brightness by the first brightness；In the second preset time period, the brightness for controlling the second light source is increased to the 4th brightness by third brightness；Wherein second preset time period is after first preset time period.It can efficiently accurately simulate to rising process day, and more accurately simulate the variation of vision and illumination during consecutive days liter, and then for can not the environment of Time for Sunshine irradiation the similar environment risen day is provided, reduce stress and disease occurrence risk in the personnel that can not be lived or work in the environment of Time for Sunshine irradiation.
Description
Technical field
The present embodiments relate to sunshine analogue technique more particularly to a kind of sunlight simulating devices and its driving method.
Background technique
Sunlight has important role in the life of the mankind, studies have shown that compared to the office that can receive sunlight
For room, the indoor staff of office that cannot receive sunlight is easy dejected, illness.It is not felt by worker's essence of sunlight
Refreshing pressure also will increase.
However due to the limitation of field condition, not all office can receive sunlight, and the prior art is not
The environment of one simulating sun photograph can be set not receive the indoor staff of office of sunlight.
Summary of the invention
The present invention provides a kind of sunlight simulating device and its driving method, to realize the simulation to sunset is risen day, Jin Erwei
Can not the environment of Time for Sunshine irradiation the similar experience for rising sunset day is provided.
In a first aspect, a kind of sunlight simulating device of the embodiment of the present invention, including first light source, second light source and with it is described
The colour temperature of the drive control unit of first light source and second light source electrical connection, the first light source is less than the second light source
Colour temperature；
The drive control unit is configured as rising the time according to day, in the first preset time period, controls first light
The brightness in source is increased to the second brightness by the first brightness；In the second preset time period, the brightness of the second light source is controlled by
Three brightness are increased to the 4th brightness；Wherein second preset time period is after first preset time period.
Optionally, the drive control unit is additionally configured at the end of first preset time period, described in control
First light source keeps second brightness, at the end of second preset time period, controls described in the second light source holding
4th brightness；And according to sunset time, in the second preset time period, the brightness of the first light source is controlled by the second brightness gradually
It reduces, the brightness for controlling the second light source is gradually decreased by the 4th brightness.
Optionally,
The drive control unit includes control module, the first output interface module, the second output interface module and power supply
Module；
The power input of first output interface module is electrically connected with the power module, first output interface
The control terminal of module is electrically connected with the control module, the output end of first output interface module and first light source electricity
Connection；
The power input of second output interface module is electrically connected with the power module, second output interface
The control terminal of module is electrically connected with the control module, the output end of second output interface module and second light source electricity
Connection；
The control module is configured as controlling the luminance of the first light source by first output interface module
Degree,
And the light emission luminance of the second light source is controlled by second output interface module.
It optionally, further include wireless module；
The wireless module is electrically connected with the control module；
The power module includes input terminal, the first output end and second output terminal；
The output voltage of first output end of the power module is greater than the output voltage of the second output terminal；Described
One output end is electrically connected with the power input of first output interface module and second output interface module respectively；Institute
The second output terminal for stating power module is electrically connected with the power end of the control module.
Optionally, first output interface module include first resistor, the first transistor, second resistance, the first inductance,
First diode, first capacitor, the second capacitor and 3rd resistor；
First pole of the first transistor is electrically connected with the power input of first output interface module, and described
The control electrode of one transistor is electrically connected with the control terminal of first output interface module；The first end of the first resistor and institute
The first pole electrical connection of the first transistor is stated, the second end of the first resistor and the control electrode of the first transistor are electrically connected
Connect, the second pole of the first transistor by the second resistance respectively with the first end of first inductance and described first
The cathode of diode is electrically connected, and the second end of first inductance is electrically connected with the output end of first output interface circuit,
The plus earth of the first diode, the first end of the first capacitor are electrically connected with the second end of first inductance, institute
State the second end ground connection of first capacitor；The first end of second capacitor is electrically connected with the second end of first inductance, described
The second end of second capacitor is grounded；The first end of the 3rd resistor is electrically connected with the first end of first inductance, and described
The second end of three resistance is grounded.
It optionally, further include the first phase inverter and the 4th resistance；
The control that the control electrode of the first transistor passes through first phase inverter and first output interface module
End electrical connection, the input terminal of first phase inverter are electrically connected with the control terminal of first output interface module, and described first
The output end of phase inverter is electrically connected with the control electrode of the first transistor；The first end of 4th resistance is anti-with described first
The input terminal of phase device is electrically connected, the second end ground connection of the 4th resistance.
Optionally, second output interface module include the 5th resistance, second transistor, the 6th resistance, the second inductance,
Third capacitor, the 4th capacitor, the 7th resistance and the second diode；
First pole of the second transistor is electrically connected with the power input of second output interface module, and described
The control electrode of two-transistor is electrically connected with the control terminal of second output interface module, the first end of the 5th resistance and institute
The first pole electrical connection of second transistor is stated, the second end of the 5th resistance and the control electrode of the second transistor are electrically connected
Connect, the second pole of the second transistor by the 6th resistance respectively with the first end of second inductance and described second
The cathode of diode is electrically connected, and the second end of second inductance is electrically connected with the second output interface circuit output end, institute
State the plus earth of the second diode；The first end of the third capacitor is electrically connected with the second end of second inductance, described
The second end of third capacitor is grounded；The first end of 4th capacitor is electrically connected with the second end of second inductance, and described
The second end of four capacitors is grounded；The first end of 7th resistance is electrically connected with the second end of second inductance, and the described 7th
The second end of resistance is grounded.
It optionally, further include the second phase inverter, third reverser and the 8th resistance；
The control electrode of the second transistor passes through the third phase inverter and second phase inverter and described second
The control terminal of output interface module is electrically connected, the control of the input terminal of second phase inverter and second output interface module
End electrical connection, the output end of second phase inverter are electrically connected with the input terminal of the third reverser, the third reverser
Output end be electrically connected with the control electrode of the second transistor；The first end of 8th resistance and second phase inverter
Input terminal electrical connection, the second end of the 8th resistance are electrically connected with the first pole of the second transistor.
Optionally, the first light source includes at least two first lamp strings in parallel, and first lamp string includes at least two
A first light emitting diode and third transistor, the third transistor are connected with first light emitting diode, and described first
The reference color temperature of light emitting diode is 2500K-3500K；
The second light source includes at least two second lamp strings in parallel, and second lamp string includes at least two second hairs
Optical diode and the 4th transistor, the 4th transistor are connected with second light emitting diode, second light-emitting diodes
The reference color temperature of pipe is 8000K-12000K.
Second aspect, the embodiment of the invention also provides a kind of driving method of sunlight simulating device, the sunshine simulation
Device includes first light source and second light source, and the drive control being electrically connected with the first light source and the second light source
Unit, the colour temperature of the first light source are less than the colour temperature of the second light source；
The driving method includes:
The drive control unit rises the time according to day, in the first preset time period, controls the brightness of the first light source
Second brightness is increased to by the first brightness；In the second preset time period, the brightness for controlling the second light source is risen by third brightness
Height is to the 4th brightness；Wherein second preset time period is after first preset time period.
Optionally, further includes: the drive control unit is in the end of first preset time period, control described first
Light source keeps second brightness, at the end of second preset time period, controls the second light source and keeps the 4th brightness；
The drive control unit is according to sunset time, and in the second preset time period, the brightness for controlling the first light source is bright by second
Degree gradually decreases, and the brightness for controlling the second light source is gradually decreased by the 4th brightness.
Optionally, the brightness change grade of the brightness elevation process of the first light source and the second light source is M grades, M
For the integer more than or equal to 100；
The drive control unit rises the time according to day, in the first preset time period, controls the brightness of the first light source
Second brightness is increased to by the first brightness, and the brightness for controlling the second light source is increased to the 4th brightness by third brightness, wrapped
It includes:
The drive control unit control the brightness of the first light source according to M grades of variation grades by 0 brightness step by step
It is increased to 100% brightness；
The drive control unit control the brightness of the second light source according to M grades of variation grades by 0 brightness step by step
It is increased to 100% brightness；
The brightness change grade that the brightness of the first light source and the second light source reduces process is N, N be more than or equal to
100 integer；
The drive control unit controls the brightness of the first light source in the second preset time period according to sunset time
It is gradually decreased by the second brightness, and the brightness for controlling the second light source is gradually decreased by the 4th brightness, comprising:
The drive control unit controls the brightness of the first light source and the second light source according to N grades of variation grades
By the reduction step by step of 100% brightness.
The present invention simulates dress by using the sunshine for including first light source, second light source and drive control unit composition
Set, efficiently accurately simulate to rising process day, and more accurately simulate rise consecutive days during vision and illumination
Variation, so for can not the environment of Time for Sunshine irradiation the similar environment risen day is provided, reduce can not Time for Sunshine irradiate
The stress and disease occurrence risk for the personnel for living or working in environment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of sunlight simulating device provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of another sunlight simulating device provided in an embodiment of the present invention；
Fig. 3 is the structural schematic diagram of another sunlight simulating device provided in an embodiment of the present invention；
Fig. 4 is a kind of electrical block diagram of first output interface module provided in an embodiment of the present invention；
Fig. 5 is the electrical block diagram of another the first output interface module provided in an embodiment of the present invention；
Fig. 6 is a kind of electrical block diagram of second output interface module provided in an embodiment of the present invention；
Fig. 7 is the electrical block diagram of another the second output interface module provided in an embodiment of the present invention；
Fig. 8 is a kind of electrical block diagram of first light source provided in an embodiment of the present invention；
Fig. 9 is a kind of electrical block diagram of second light source provided in an embodiment of the present invention；
Figure 10 is a kind of flow chart of the driving method of sunlight simulating device provided in an embodiment of the present invention；
Figure 11 is the flow chart of the driving method of another sunlight simulating device provided in an embodiment of the present invention.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
Embodiment
With reference to Fig. 1, Fig. 1 is a kind of structural schematic diagram of sunlight simulating device provided in an embodiment of the present invention, sunshine simulation
Device includes first light source 101, second light source 102 and the drive control being electrically connected with first light source 101 and second light source 102
Unit 103, the colour temperature of first light source 101 are less than the colour temperature of second light source 102；
Drive control unit 103 is configured as rising the time according to day, in the first preset time period, controls first light source 101
Brightness the second brightness is increased to by the first brightness；In the second preset time period, the brightness for controlling second light source 102 is bright by third
Degree is increased to the 4th brightness；Wherein, the second preset time period is after the first preset time is disconnected.
Specifically, LED can be used in first light source 101 and second light source 102, (Light Emitting Diode shines
Diode) array structure, drive control unit 103 controls the luminance of first light source 101 and second light source 102, when day rises
Between can freely be arranged according to the user's choice, while can also be calculated automatically according to local latitude and longitude information when light rise time；
It rises time setting day to finish, reaches when day rising the time of setting, in the first preset time period, drive control unit 103 controls low
The light source of colour temperature namely the light emission luminance of first light source 101 are increased to the second brightness by the first brightness；First light source 101 it is bright
Degree is always maintained at after reaching the second brightness, while drive control unit 103 controls the brightness of second light source 102 in second time period
It is interior that 4th brightness is increased to by third brightness, holding after the 4th brightness is reached, to complete the effect of simulated solar rise；The
The colour temperature of one light source 101 is lower than the colour temperature of second light source 102, can more accurate simulating sun rise during vision and illumination change
Change.
Illustratively, after the liter time date of arrival, drive control unit 103 first controls the brightness of first light source 101 at 15 points
100% brightness is increased to by 0 brightness in clock, subsequent drive control unit 103 controlled the brightness of second light source 102 in 15 minutes
100% brightness is increased to by 0 brightness；Wherein, keeping after the brightness of first light source 101 and second light source 102 reaches 100% should
Brightness；Drive control unit 103 can be according to first light source 101 and the characteristics of luminescence of second light source 102, by luminous brightness degree
It is divided into M grades, such as M is set as 1000, the light characteristic of first light source 101 and second light source 102 is fabricated to table, control shines
The brightness that first light source 101 and second light source 102 can be controlled according to the mode of meter reading in the process makes its flicker free sense, and smooth
Feel higher.
The technical solution of the present embodiment is formed by using including first light source, second light source and drive control unit
Sunlight simulating device, efficiently accurately simulate to rising process day, and during more accurately simulating and rising consecutive days
The variation of vision and illumination, so for can not the environment of Time for Sunshine irradiation the similar experience risen day is provided, reduction can not enjoy
The stress and disease occurrence risk for the personnel for living or working in sunkissed environment.
Optionally, drive control unit 101 is additionally configured to control first light source at the end of the first preset time period
101 keep the second brightness, at the end of the second preset time, control second light source 102 and keep the 4th brightness；And according at sunset
Between, in the second preset time period, the brightness for controlling first light source 101 is gradually decreased by the second brightness, control second light source 102
Brightness is gradually decreased by the 4th brightness.
Specifically, sunset time can calculate automatically same day sunset time by user setting or according to local latitude and longitude information
It is configured, after reaching the sunset time of setting, the brightness that drive control unit 103 controls first light source 101 is pre- second
If being gradually decreased in the period by the second brightness, while the brightness of second light source 102 is controlled in the second preset time period by the
Four brightness gradually decrease, to complete the simulation to sunset process.
Illustratively, the second preset time period can be 15 minutes, after the sunset time for reaching setting, in 15 minutes, the
The brightness of one light source 101 and second light source 102 is gradually lowered to 0 brightness from 100% brightness, and drive control unit 103 can root
According to first light source 101 and the characteristics of luminescence of second light source 102, luminous brightness degree is divided into N grades, such as N is set as 1000,
The light characteristic of first light source 101 and second light source 102 is fabricated to table, controlling can be according to the mode control of meter reading in luminescence process
The brightness of first light source 101 processed and second light source 102 makes its flicker free sense, and smooth sense is higher.
The technical solution of the present embodiment simulates the process of sunset by configuring sunlight simulating device, makes sunlight simulating device
Operation risen closer to the sun and the process that falls, further reduced can not live in the environment of Time for Sunshine irradiation or
The stress and disease occurrence risk of the personnel of work.
It optionally, is the structural schematic diagram of another sunlight simulating device provided in an embodiment of the present invention with reference to Fig. 2, Fig. 2,
Drive control module 103 includes control module 1031, the first output interface module 1032, the second output interface module 1033 and electricity
Source module 1034；
The power input of first output interface module 1032 is electrically connected with power module 1034, the first output interface module
1032 control terminal is electrically connected with control module 1031,101 electricity of output end and first light source of the first output interface module 1032
Connection；
The power input of second output interface module 1033 is electrically connected with power module 1034, the second output interface module
1033 control terminal is electrically connected with control module 1031,102 electricity of output end and second light source of the second output interface module 1033
Connection；
Control module 1031 is configured as controlling the luminance of first light source 101 by the first output interface module 1032
Degree,
And the light emission luminance of second light source 102 is controlled by the second output interface module 1033.
Specifically, power module 1034 is control module 1031, the first output interface module 1032 and the second output interface
Module 1033 provides power supply, and the first output interface module 1031 is according to the control of control module 1031, by power module 1034
Electric signal is converted into the electric signal to match with 101 working condition of first light source；Second output interface module 1033 is according to control
The control of module 1031 converts the electric signal of power module 1034 to the telecommunications to match with 102 working condition of second light source
Number；By the control of control module 1031, first light source 101 and second light source 102 is set to shine in the way of setting, to reach mould
Quasi- day rises the effect of sunset.
It optionally, is the structural schematic diagram of another sunlight simulating device provided in an embodiment of the present invention with reference to Fig. 3, Fig. 3,
It further include wireless module 201, wireless module 201 is electrically connected with control module 1031；
Power module 1034 includes input terminal, the first output end and second output terminal；
The output voltage of first output end of power module 1034 is greater than the output voltage of second output terminal；First output end
It is electrically connected respectively with the power input of the first output interface module 1032 and the second output interface module 1033；Power module
1034 second output terminal is electrically connected with the power end of control module 1031.
Specifically, the voltage that the power end of control module 1031 inputs is smaller than the first output interface module 1032 and second
The voltage of the power input input of output interface module 1033, power module 1034 are defeated to first respectively by the first output end
The power input input voltage of the power input of outgoing interface module 1032 and the second output interface module 1033, and pass through the
Power end input voltage from two output interfaces to control module 1031, to match the required voltage value of disparate modules；User can
Control module 1031 is configured by wireless module 201, such as setting rises the time information of sunset day, and opens or close
Sunlight simulating device etc. is closed, the convenience of sunlight simulating device operation is improved.
The technical solution of the present embodiment, by using the sunlight simulating device including wireless module, user can be using wirelessly
The parameter of module counterglow simulator is configured, convenient for operation.
It optionally, is a kind of circuit structure of first output interface module provided in an embodiment of the present invention with reference to Fig. 4, Fig. 4
Schematic diagram, the first output interface module include first resistor 301, the first transistor 302, second resistance 303, the first inductance 304,
First diode 305, first capacitor 306, the second capacitor 307 and 3rd resistor 308；
First pole of the first transistor 302 is electrically connected with the power input VCC of the first output interface module, first crystal
The control electrode of pipe 302 is electrically connected with the control terminal PWM11 of the first output interface module；The first end of first resistor 301 and first
First pole of transistor 302 is electrically connected, and the second end of first resistor 301 is electrically connected with the control electrode of the first transistor 302, and first
Cathode of second pole of transistor 302 by second resistance respectively with the first end of the first inductance 304 and first diode is electrically connected
It connects, the second end of the first inductance 304 is electrically connected with the output end DA1 of the first output interface circuit, the anode of first diode 305
Ground connection, the first end of first capacitor 306 are electrically connected with the second end of the first inductance 304, the second end ground connection of first capacitor 306；
The first end of second capacitor 307 is electrically connected with the second end of the first inductance 304, the second end ground connection of the second capacitor 307；Third electricity
The first end of resistance 308 is electrically connected with the first end of the first inductance 304, the second end ground connection of 3rd resistor 308.
Specifically, the control electrode of the first transistor 302 is electrically connected with the control terminal PWM11 of the first output interface module, connect
Receive PWM (Pulse Width Modulation, pulse width modulation) signal, the first transistor 302, the first inductance 304, first
Diode 305, first capacitor 306 and 3rd resistor 308 form basic isolation transforming circuit, and specific working mode is ability
Known to field technique personnel, first resistor 301 provides initial potential for the control electrode of the first transistor 302, to guarantee that first is brilliant
The normal work of body pipe 302, second resistance 303 can be 0 Ohmic resistance, and with the layout designs of compatible circuit, the second capacitor 307 can
It is used as filter capacitor, enhances the anti-interference ability of the first output interface module.
It optionally, is the circuit knot of another the first output interface module provided in an embodiment of the present invention with reference to Fig. 5, Fig. 5
Structure schematic diagram；First output interface module further includes the first phase inverter 309 and the 4th resistance 310；
The control electrode of the first transistor 302 passes through the control terminal PWM11 of the first phase inverter 309 and the first output interface module
Electrical connection, the input terminal of the first phase inverter 309 are electrically connected with the control terminal PWM11 of the first output interface module, the first phase inverter
309 output end is electrically connected with the control electrode of the first transistor 302；The first end of 4th resistance 310 and the first phase inverter 309
Input terminal electrical connection, the second end ground connection of the 4th resistance 310.
Specifically, control module is respectively to the first output interface module and the second output interface module output pwm signal
Port may have opposite phase, by the way that the first phase inverter 309 is arranged, the first output interface module can be made to export with second and connect
The PWM input signal phase of mouth mold block is identical, easily controllable, while the 4th resistance 310 is used as pull down resistor, can protect first anti-
Phase device 309 is not damaged.
It optionally, is a kind of circuit structure of second output interface module provided in an embodiment of the present invention with reference to Fig. 6, Fig. 6
Schematic diagram, the second output interface module include the 5th resistance 401, second transistor 402, the 6th resistance 403, the second inductance 404,
Second diode 405, third capacitor 406, the 4th capacitor 407 and the 7th resistance 408；
First pole of second transistor 402 is electrically connected with the power input VCC2 of the second output interface module, wherein the
The power input VCC2 of two output interface modules can be inputted with the power input VCC1 of the first output interface module with phase
With the signal of voltage value, the control electrode of second transistor 402 is electrically connected with the control terminal PWM2 of the second output interface module, and the 5th
The first end of resistance 401 is electrically connected with the first pole of second transistor 402, the second end and second transistor of the 5th resistance 401
402 control electrode electrical connection, the second pole of second transistor 402 pass through first of the 6th resistance 403 respectively with the second inductance 404
The electrical connection of the cathode of end and the second diode 405, the second end of the second inductance 404 and the second output interface circuit output end DA2
Electrical connection, the plus earth of the second diode 405；The first end of third capacitor 406 and the second end of the second inductance 404 are electrically connected
It connects, the second end ground connection of third capacitor 404；The first end of 4th capacitor 407 is electrically connected with the second end of the second inductance 404, the
The second end of four capacitors 407 is grounded；The first end of 7th resistance 408 is electrically connected with the second end of the second inductance 404, the 7th resistance
408 second end ground connection.
Specifically, the control electrode of second transistor 402 is electrically connected with the control terminal PWM2 of the second output interface module, receive
Pwm signal, second transistor 402, the second inductance 404, the second diode 405, third capacitor 406 and the 7th resistance 408 composition
Basic isolation transforming circuit, specific working mode are well known to those skilled in the art, and the 5th resistance 401 is the second crystal
The control electrode of pipe 402 provides initial potential, and to guarantee the normal work of second transistor 402, the 6th resistance 403 can be 0 ohm
Resistance, with the layout designs of compatible circuit, the 4th capacitor 407 can be used as filter capacitor use, enhance the first output interface module
Anti-interference ability.
It optionally, is the circuit knot of another the second output interface module provided in an embodiment of the present invention with reference to Fig. 7, Fig. 7
Structure schematic diagram further includes the second phase inverter 409, third reverser 410 and the 8th resistance 411；
The control electrode of second transistor 402 passes through third phase inverter 410 and the second phase inverter 409 and the second output interface
The control terminal PWM2 of module is electrically connected, the input terminal of the second phase inverter 409 and the control terminal PWM2 electricity of the second output interface module
Connection, the output end of the second phase inverter 409 are electrically connected with the input terminal of third reverser 410, the output end of third reverser 410
It is electrically connected with the control electrode of second transistor 402；The first end of 8th resistance 411 and the input terminal of the second phase inverter 409 are electrically connected
It connects, the second end of the 8th resistance 411 is electrically connected with the first pole of second transistor 402.Second phase inverter 409 and third reverser
The series arm of 410 compositions has the function of isolation, while the 8th resistance 411 is used as pull-up resistor, can avoid the second phase inverter
Damage.
Optionally, Fig. 8 is a kind of electrical block diagram of first light source provided in an embodiment of the present invention, and Fig. 9 is this hair
A kind of electrical block diagram for second light source that bright embodiment provides, with reference to Fig. 8 and Fig. 9, first light source includes at least two
First lamp string 501 in parallel, the first lamp string 501 include at least two the first light emitting diodes 5011 and third transistor 5012,
It may also include the first current-limiting resistance 5013 simultaneously, third transistor 5012 is connected with the first light emitting diode 5011, the first current limliting
Resistance 5013 is connected with the first light emitting diode 5011, and the reference color temperature of the first light emitting diode 5011 is 2500K-3500K；
Second light source includes at least two second lamp strings 601 in parallel, and the second lamp string 601 includes at least two second luminous
Diode 6011 and the 4th transistor 6012, the 4th transistor 6012 are connected with the second light emitting diode 6011, may also include
Two current-limiting resistances 6013, the second current-limiting resistance 6013 are connected with the second light emitting diode 6011.
Specifically, the anode of the first light emitting diode 5011 accesses power supply signal VCC1, the base stage of third transistor 5012
It is electrically connected with the output end DA1 of the first output interface module, by the electricity for changing the first output interface module output end DA1 output
Level values can be changed the current value in the first lamp string 501, namely change the light emission luminance of the first light emitting diode 5011.First
Current-limiting resistance 5013 can be used for that the first lamp string 501 is avoided to damage because electric current is excessive.The anode of second light emitting diode 6011 connects
Enter power supply signal VCC1, the base stage of the 4th transistor 6012 is electrically connected with the output end DA2 of the second output interface module, by changing
Become the level value of the second output interface module output end DA2 output, i.e., the current value in changeable second lamp string 601, Ye Jigai
Become the light emission luminance of the second light emitting diode 6011.Second current-limiting resistance 6013 can be used for avoiding the first lamp string 501 because of electric current mistake
It damages greatly.The colour temperature of first light source may be configured as 3000K, and the colour temperature of second light source may be configured as 9000K, with more accurate mould
Quasi- day rises the light conditions during sunset.
It optionally, is a kind of driving method of sunlight simulating device provided in an embodiment of the present invention with reference to Figure 10, Figure 10
Flow chart, sunlight simulating device include first light source and second light source, and be electrically connected with first light source and second light source
Drive control unit, the colour temperature of first light source are less than the colour temperature of second light source；
The driving method of sunlight simulating device includes:
Step 701, drive control unit rises the time according to day, in the first preset time period, controls the brightness of first light source
Second brightness is increased to by the first brightness；In the second preset time period, the brightness for controlling second light source is increased to by third brightness
4th brightness；Wherein the second preset time period is after the first preset time period.
Specifically, drive control unit control first light source and second light source luminance, rise day the time can according to
The selection at family is freely arranged, while the time when light rises can be also calculated automatically according to local latitude and longitude information；Day rises the time and sets
Surely it finishes, reaches when day rising the time of setting, in the first preset time period, drive control unit controls the light source of low color temperature,
I.e. the light emission luminance of first light source is increased to the second brightness by the first brightness；After brightness the second brightness of arrival of first light source always
It keeps, while to be increased to the 4th by third brightness in second time period bright for the brightness of drive control unit control second light source
Degree reaches holding after the 4th brightness, to complete the effect of simulated solar rise；The colour temperature of first light source is lower than second light source
Colour temperature, can more accurate simulating sun rise during vision and illumination variation.
It optionally, is the driving method of another sunlight simulating device provided in an embodiment of the present invention with reference to Figure 11, Figure 11
Flow chart；
The driving method of sunlight simulating device includes:
Step 801, drive control unit rises the time according to day, in the first preset time period, controls the brightness of first light source
Second brightness is increased to by the first brightness；In the second preset time period, the brightness for controlling second light source is increased to by third brightness
4th brightness；Wherein the second preset time period is after the first preset time period.
Step 802, drive control unit controls first light source and keeps the second brightness at the end of the first preset time period,
At the end of the second preset time period, controls second light source and keep the 4th brightness；Drive control unit is according to sunset time,
Two preset time periods, the brightness for controlling first light source are gradually decreased by the second brightness, and control the brightness of second light source by the 4th
Brightness gradually decreases.
Specifically, sunset time can calculate automatically same day sunset time by user setting or according to local latitude and longitude information
It is configured, after reaching the sunset time of setting, drive control unit controls the brightness of first light source 101 when second is default
Between gradually decreased by the second brightness in section, while control the brightness of second light source in the second preset time period by the 4th brightness by
It gradually reduces, to complete the simulation to sunset process.
Optionally, the brightness change grade of the brightness elevation process of first light source and the second light source is M grades, and M is big
In the integer for being equal to 100；
Drive control unit rises the time according to day, and in the first preset time period, the brightness for controlling first light source is bright by first
Degree is increased to the second brightness, and the brightness for controlling second light source is increased to the 4th brightness by third brightness, comprising:
Drive control unit control the brightness of the first light source according to M grades variation grades by 0 brightness raising step by step
To 100% brightness；
Drive control unit control the brightness of the second light source according to M grades variation grades by 0 brightness raising step by step
To 100% brightness；
The brightness change grade that the brightness of first light source and second light source reduces process is N, and N is whole more than or equal to 100
Number；
Drive control unit is according to sunset time, and in the second preset time period, the brightness for controlling first light source is bright by second
Degree gradually decreases, and the brightness for controlling second light source is gradually decreased by the 4th brightness, comprising:
The brightness of drive control unit control first light source and second light source is according to N grades of variation grades by 100% brightness
Reduction step by step.
Illustratively, after the date of arrival rises the time, drive control unit first controls the brightness of first light source in 15 minutes by 0
Brightness is increased to 100% brightness, and the brightness of subsequent drive control unit control second light source is increased in 15 minutes by 0 brightness
100% brightness；Wherein, the brightness of first light source and second light source keeps the brightness after reaching 100%；Drive control unit can
According to first light source and the characteristics of luminescence of second light source, luminous brightness degree is divided into M grades, such as M is set as 1000, by the
The light characteristic of one light source and second light source is fabricated to table, and first light source can be controlled according to the mode of meter reading by controlling in luminescence process
And the brightness of second light source 102；After the sunset time for reaching setting, in 15 minutes, the brightness of first light source and second light source
Be gradually lowered to 0 brightness from 100% brightness, drive control unit can according to first light source and the characteristics of luminescence of second light source,
Luminous brightness degree is divided into N grades, such as N is set as 1000, the light characteristic of first light source and second light source is fabricated to table
Lattice control the brightness that can control first light source and second light source in luminescence process according to the mode of meter reading, make its flicker free sense, and
Smoothness sense is higher.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (12)
1. a kind of sunlight simulating device, which is characterized in that including first light source, second light source and with the first light source and institute
The drive control unit of second light source electrical connection is stated, the colour temperature of the first light source is less than the colour temperature of the second light source；
The drive control unit is configured as rising the time according to day, in the first preset time period, controls the first light source
Brightness is increased to the second brightness by the first brightness；In the second preset time period, the brightness for controlling the second light source is bright by third
Degree is increased to the 4th brightness；Wherein second preset time period is after first preset time period.
2. sunlight simulating device according to claim 1, which is characterized in that the drive control unit is additionally configured in institute
The end for stating the first preset time period controls the first light source and keeps second brightness, in second preset time period
End, control the second light source and keep the 4th brightness；And according to sunset time, in the second preset time period, control
The brightness of the first light source is gradually decreased by the second brightness, and the brightness for controlling the second light source is gradually dropped by the 4th brightness
It is low.
3. sunlight simulating device according to claim 1 or claim 2, which is characterized in that
The drive control unit includes control module, the first output interface module, the second output interface module and power module；
The power input of first output interface module is electrically connected with the power module, first output interface module
Control terminal be electrically connected with the control module, output end and the first light source of first output interface module are electrically connected
It connects；
The power input of second output interface module is electrically connected with the power module, second output interface module
Control terminal be electrically connected with the control module, output end and the second light source of second output interface module are electrically connected
It connects；
The control module is configured as controlling the light emission luminance of the first light source by first output interface module,
And the light emission luminance of the second light source is controlled by second output interface module.
4. sunlight simulating device according to claim 3, which is characterized in that further include wireless module；
The wireless module is electrically connected with the control module；
The power module includes input terminal, the first output end and second output terminal；
The output voltage of first output end of the power module is greater than the output voltage of the second output terminal；Described first is defeated
Outlet is electrically connected with the power input of first output interface module and second output interface module respectively；The electricity
The second output terminal of source module is electrically connected with the power end of the control module.
5. sunlight simulating device according to claim 3, which is characterized in that first output interface module includes first
Resistance, the first transistor, second resistance, the first inductance, first diode, first capacitor, the second capacitor and 3rd resistor；
First pole of the first transistor is electrically connected with the power input of first output interface module, and described first is brilliant
The control electrode of body pipe is electrically connected with the control terminal of first output interface module；The first end of the first resistor and described the
First pole of one transistor is electrically connected, and the second end of the first resistor is electrically connected with the control electrode of the first transistor, institute
State the second pole of the first transistor by the second resistance respectively with the first end of first inductance and the one or two pole
The cathode of pipe is electrically connected, and the second end of first inductance is electrically connected with the output end of first output interface circuit, described
The plus earth of first diode, the first end of the first capacitor are electrically connected with the second end of first inductance, and described
The second end of one capacitor is grounded；The first end of second capacitor is electrically connected with the second end of first inductance, and described second
The second end of capacitor is grounded；The first end of the 3rd resistor is electrically connected with the first end of first inductance, the third electricity
The second end of resistance is grounded.
6. sunlight simulating device according to claim 5, which is characterized in that further include the first phase inverter and the 4th resistance；
The control electrode of the first transistor passes through the control terminal of first phase inverter and first output interface module electricity
Connection, the input terminal of first phase inverter are electrically connected with the control terminal of first output interface module, first reverse phase
The output end of device is electrically connected with the control electrode of the first transistor；The first end of 4th resistance and first phase inverter
Input terminal electrical connection, the 4th resistance second end ground connection.
7. sunlight simulating device according to claim 3, which is characterized in that second output interface module includes the 5th
Resistance, second transistor, the 6th resistance, the second inductance, third capacitor, the 4th capacitor, the 7th resistance and the second diode；
First pole of the second transistor is electrically connected with the power input of second output interface module, and described second is brilliant
The control electrode of body pipe is electrically connected with the control terminal of second output interface module, the first end of the 5th resistance and described the
First pole of two-transistor is electrically connected, and the second end of the 5th resistance is electrically connected with the control electrode of the second transistor, institute
State the second pole of second transistor by the 6th resistance respectively with the first end of second inductance and the two or two pole
The cathode of pipe is electrically connected, and the second end of second inductance is electrically connected with the second output interface circuit output end, and described the
The plus earth of two diodes；The first end of the third capacitor is electrically connected with the second end of second inductance, the third
The second end of capacitor is grounded；The first end of 4th capacitor is electrically connected with the second end of second inductance, the 4th electricity
The second end of appearance is grounded；The first end of 7th resistance is electrically connected with the second end of second inductance, the 7th resistance
Second end ground connection.
8. sunlight simulating device according to claim 7, which is characterized in that further include the second phase inverter, third reverser
With the 8th resistance；
The control electrode of the second transistor passes through the third phase inverter and second phase inverter and second output
The control terminal of interface module is electrically connected, the control terminal electricity of the input terminal of second phase inverter and second output interface module
Connection, the output end of second phase inverter is electrically connected with the input terminal of the third reverser, the third reverser it is defeated
Outlet is electrically connected with the control electrode of the second transistor；The first end of 8th resistance and the input of second phase inverter
End electrical connection, the second end of the 8th resistance are electrically connected with the first pole of the second transistor.
9. sunlight simulating device according to claim 1, which is characterized in that the first light source includes at least two in parallel
The first lamp string, first lamp string include at least two first light emitting diodes and third transistor, the third transistor
It connects with first light emitting diode, the reference color temperature of first light emitting diode is 2500K-3500K；
The second light source includes at least two second lamp strings in parallel, and second lamp string includes at least two second luminous two
Pole pipe and the 4th transistor, the 4th transistor are connected with second light emitting diode, second light emitting diode
Reference color temperature is 8000K-12000K.
10. a kind of driving method of sunlight simulating device, which is characterized in that the sunlight simulating device includes first light source and
Two light sources, and the drive control unit being electrically connected with the first light source and the second light source, the first light source
Colour temperature is less than the colour temperature of the second light source；
The driving method includes:
The drive control unit rises the time according to day, in the first preset time period, controls the brightness of the first light source by
One brightness is increased to the second brightness；In the second preset time period, the brightness for controlling the second light source is increased to by third brightness
4th brightness；Wherein second preset time period is after first preset time period.
11. driving method according to claim 10, which is characterized in that further include: the drive control unit is described
The end of first preset time period controls the first light source and keeps second brightness, in second preset time period
End controls the second light source and keeps the 4th brightness；The drive control unit is according to sunset time, in the second preset time
Section, the brightness for controlling the first light source is gradually decreased by the second brightness, and the brightness for controlling the second light source is bright by the 4th
Degree gradually decreases.
12. driving method according to claim 11, which is characterized in that the first light source and the second light source it is bright
The brightness change grade for spending elevation process is M grades, and M is the integer more than or equal to 100；
The drive control unit rises the time according to day, in the first preset time period, controls the brightness of the first light source by
One brightness is increased to the second brightness, and the brightness for controlling the second light source is increased to the 4th brightness by third brightness, comprising:
The drive control unit control the brightness of the first light source according to M grades variation grades by 0 brightness raising step by step
To 100% brightness；
The drive control unit control the brightness of the second light source according to M grades variation grades by 0 brightness raising step by step
To 100% brightness；
The brightness change grade that the brightness of the first light source and the second light source reduces process is N, and N is more than or equal to 100
Integer；
The drive control unit controls the brightness of the first light source by the second preset time period according to sunset time
Two brightness gradually decrease, and the brightness for controlling the second light source is gradually decreased by the 4th brightness, comprising:
The drive control unit control the brightness of the first light source and the second light source according to N grades variation grades by
The reduction step by step of 100% brightness.
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| CN110806732A (en) * | 2019-10-23 | 2020-02-18 | 曲松 | Intelligent environment change simulation system |
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