CN208158940U - A kind of displaying device adjusting colour temperature and brightness - Google Patents
A kind of displaying device adjusting colour temperature and brightness Download PDFInfo
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- CN208158940U CN208158940U CN201820506374.4U CN201820506374U CN208158940U CN 208158940 U CN208158940 U CN 208158940U CN 201820506374 U CN201820506374 U CN 201820506374U CN 208158940 U CN208158940 U CN 208158940U
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- brightness
- colour temperature
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- displaying device
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/30—Semiconductor lamps, e.g. solid state lamps [SSL] light emitting diodes [LED] or organic LED [OLED]
Abstract
The utility model, which discloses, is related to a kind of displaying device for adjusting colour temperature and brightness, it is characterised in that：It include power supply circuit, colour temperature adjusts circui, brightness regulating circuit, LED luminescent panel and detection display device inside a kind of displaying device adjusting colour temperature and brightness；Outside is equipped with color temperature adjustment button and brightness regulating button.Utilize the variation for the colour temperature and brightness for adjusting LED luminescent panel, the observation colour temperature and brightness change relationship of dramatic.And colour temperature and brightness value real-time display are come out by monitoring display device.Now most of scientific and technological museums must be related to colour temperature and brightness, or be shown by way of text, picture, mock-up and corresponding video cartoon.The present apparatus increases interactive and interest, and by personal Interactive Experience, the understanding colour temperature and brightness for capableing of dramatic obtain meaning, compensate for the situation that scientific and technological museum lacks such apparatus for demonstrating spectators.
Description
Technical field
The design is related to colour temperature and brightness applications technical field more particularly to a kind of displaying dress for adjusting colour temperature and brightness
It sets, belongs to optics Popular Science Education quasi-instrument.
Background technique
There are various lamps and lanterns in our life in scientific and technological continuous development therewith, and many lamps and lanterns are to use color temperature value
Come what is represented, many people also think that colour temperature more headlight is brighter.Colour temperature and brightness have any relationship on earth for that.Colour temperature is strictly
It says, academic definition is after a theoretic black object receives temperature, and color regularly becomes as the temperature rises
Change, from dark red, yellow, white, blue, purple overall process, the color change that is presented.People express photography with this concept, take the photograph
As during, the change procedure of object tone, i.e., such as, the sun are the blush in morning or the faint yellow of the morning or high noon
Although the golden light red-- of substantial white or the setting sun be all the same wheel sun, colour temperature is but different.And it is bright
Degree, then be that object is illuminated the light intensity reflected, if it is a coloured object, irradiates, sees without light
Be exactly up it is black, when light just becomes by force ghastly pale a piece of to a certain extent.
The light of different-colour degree has different illumination and visual effect.Different wavelength causes different face to human eye
Colour sensation, from red, orange, yellow, green, blue, blue, purple.The susceptibility of eyes strong variations with the variation of wavelength.It is illuminating well
Under the conditions of, light of the eyes to 550nm wavelength（Yellow light）Sensitivity be 20 times of feux rouges or blue light.Why this is also
The fog lamp of most of vehicle and the street lamp of road use a major reason of yellow light.Colour temperature is the standard of measurement colour temperature, and
It is not the brightness for measuring lamp.By taking our the most common headlight for vehicles as an example, colour temperature 3000K is sodium yellow, strong penetrating power；Colour temperature
4200K is that white middle band is yellow（Former vehicle matches xenon lamp）；Colour temperature 5000K light effect light is entirely white；6000K is that light is entirely white, bit bluish；Color
Warm 6500K is the daytime under sunlight；7000-8000K of colour temperature is that obvious band is blue in white, 8000K or more blue light, and penetration power is very poor.
It is generally acknowledged that the colour temperature section of 5000K or so, light effect is best.And in the existing showpiece of existing science and technology center, there are no can
It intuitively shows colour temperature and brightness change, and the change procedure of the two is compared to the showpiece exhibition item of displaying.
Summary of the invention
The object of the present invention is to provide the displaying devices of a kind of more the observation colour temperature and brightness change relationship of dramatic.
Technical solutions according to the invention include power supply circuit, color for the displaying device inside of a kind of adjusting colour temperature and brightness
Temperature adjusts circuit, brightness regulating circuit, LED luminescent panel and detection display device, and wherein the inside of LED luminescent panel is by low color
The lamp bead composition of the different-colours such as mild high color temperature；Outside is equipped with color temperature adjustment button and brightness regulating button.
Wherein, the colour temperature adjusts circui is made of LED luminescent panel and current control circuit, by rotating colour temperature tune
Knob is saved, control current control circuit adjusts the magnitude of current of different-colour LED lamp bead in LED luminescent panel, to change difference
The luminous mixing light ratio of the LED lamp bead of colour temperature realizes color temperature adjustment.
Wherein, the brightness regulating circuit is by brightness regulation knob, control processing circuit and dutyfactor adjustment circuit group
At by rotation brightness regulation knob to control processing circuit sending command signal, control processing circuit is produced according to command signal
Raw corresponding pulse signal, dutyfactor adjustment circuit to obtain pulse signal progress duty ratio adjustment according to receiving, and needed for output
Pwm signal, and then realize LED luminance control.
Wherein, the power supply circuit converts alternating current to the direct current of constant current.
Wherein, the detection display device shows colour temperature and the detection of the real time value of brightness.
Based on the above-mentioned technical proposal, the present invention is the direct current that constant current is converted alternating current to using power supply circuit,
It is adjusted by colour temperature adjusts circui, changes the magnitude of current of different-colour LED lamp bead in LED luminescent panel, to change not homochromy
The luminous mixing light ratio of the LED lamp bead of temperature, realizes the adjusting of colour temperature.At the same time, it is revolved using by rotation brightness regulation
Button issues command signal to control processing circuit, and control processing circuit generates corresponding pulse signal, duty according to command signal
Pulse signal progress duty ratio adjustment is obtained according to receiving than adjustment circuit, and exports required pwm signal, and then realize LED
The control of brightness.Finally the colour temperature adjusted in real time and the numerical value of brightness are come out by detecting display device real-time display.
The beneficial effect of the present invention in actual operation is spectators by adjusting color temperature adjustment knob and brightness regulation in real time
Knob adjusts the colour temperature and brightness of LED luminescent panel, and spectators real-time can must observe colour temperature and brightness obtains entire change procedure,
Finally colour temperature and the real time value of brightness are shown in real time by detecting display device.In order to more preferable by colour temperature and bright
Degree compares, and two sets of identical devices can be compared by we together, difference brightness value when can both realize same colour temperature
Adjusting or when equivalent brightness color temperature value adjusting, allow spectators for the concept of colour temperature and brightness have one it is intuitive relatively.This
Invention has stronger interest, intellectual and interactivity.It is capable of the understanding LED luminescent panel colour temperature of dramatic by observing
With the difference of brightness change, the purpose of learning region color separation two optical knowledge points of mild brightness is had reached.In existing science and technology center
In showpiece, the deficiency of such showpiece is compensated for.
Detailed description of the invention
Fig. 1 is a kind of displaying apparatus structure overall schematic for adjusting colour temperature and brightness.
Fig. 2 is a kind of displaying device colour temperature adjusts circui structural schematic diagram for adjusting colour temperature and brightness.
Fig. 3 is a kind of displaying device brightness regulating circuit structural schematic diagram for adjusting colour temperature and brightness.
Fig. 4 is a kind of displaying device LED light emitting panel structure schematic diagram for adjusting colour temperature and brightness.
Specific embodiment.
The present invention is described in detail in the following with reference to the drawings and specific embodiments.
As shown in Figure 1, converting alternating current to the direct current of constant current by power supply circuit, pass through colour temperature adjusts circui
Adjust the variation of LED luminescent panel colour temperature.At the same time, LED light emitting panel luminous is adjusted by rotation brightness regulation knob
Variation.Colour temperature and the real time value of brightness are shown finally by detection display device.
As shown in Fig. 2, rotation color temperature adjustment knob, is adjusted by colour temperature adjusts circui, change different in LED luminescent panel
The magnitude of current of colour temperature LED lamp bead, thus the mixing light ratio that the LED lamp bead for changing different-colour is luminous, and then realize colour temperature
It adjusts.
As shown in figure 3, rotation brightness regulation knob to control processing circuit issue command signal, control processing circuit according to
The corresponding pulse signal of command signal generation, dutyfactor adjustment circuit to obtain pulse signal progress duty ratio adjustment according to receiving,
And the pwm signal needed for exporting, and then realize the control of LED luminance.
As shown in figure 4, internal in LED luminescent panel be made of the lamp bead of the different-colours such as low color temperature and high color temperature.
Case is embodied, simulator of the present invention is as on level table.It turns on the power switch, power supply circuit will exchange
Electricity is converted to the direct current of constant current, and spectators rotate color temperature adjustment knob, adjusted by colour temperature adjusts circui, changes LED hair
The magnitude of current of different-colour LED lamp bead in optic panel realizes color temperature adjustment.Counterclockwise when rotation knob, color temperature value is smaller and smaller,
Up to minimum value and it is no longer changed；When rotating clockwise knob, color temperature value is increasing, occurs up to maximum value and no longer
Variation.The color change of yellow to blue and white is presented in whole process colour temperature.Brightness regulation knob is rotated, brightness regulating circuit is passed through
Duty ratio is adjusted to adjust the required pwm signal exported, realizes brightness regulation.Counterclockwise when rotation knob, brightness value is increasingly
It is small, up to minimum value and it is no longer changed；When rotating clockwise knob, brightness value is increasing, up to maximum value and no longer
It changes.Finally the colour temperature adjusted in real time and the numerical value of brightness are come out by detecting display device real-time display.
In order to so more preferable that compare colour temperature and brightness, two sets of identical devices can be compared by we jointly,
That is device one and device two.When the colour temperature of two covering devices, which is all adjusted, arrives identical numerical value, the brightness regulation knob of device one is not
Dynamic, the brightness regulation knob of regulating device two observes the change of LED luminescent panel difference brightness value under the premise of identical colour temperature
Change relationship.Similarly, by when the brightness of two covering devices all adjusts and arrives identical numerical value, the color temperature adjustment knob of device one is motionless,
The color temperature adjustment knob of regulating device two is observed under the premise of same brightness, and the variation of LED luminescent panel different color temperature value is closed
System.It is capable of the difference of understanding the LED luminescent panel colour temperature and brightness change of dramatic by observing, has reached learning region color separation
The purpose of two optical knowledge points of mild brightness.
Claims (5)
1. a kind of displaying device for adjusting colour temperature and brightness, it is characterised in that：In a kind of displaying device adjusting colour temperature and brightness
Portion includes power supply circuit, colour temperature adjusts circui, brightness regulating circuit, LED luminescent panel and detection display device, and wherein LED is sent out
The inside of optic panel is made of the lamp bead of the different-colours such as low color temperature and high color temperature；Outside is equipped with color temperature adjustment button and brightness tune
Save button.
2. a kind of displaying device for adjusting colour temperature and brightness according to claim 1, it is characterized in that the color temperature adjustment
Circuit is made of LED luminescent panel and current control circuit, and by rotating color temperature adjustment knob, control current control circuit is adjusted
The magnitude of current of different-colour LED lamp bead in LED luminescent panel, thus the mixing light that the LED lamp bead for changing different-colour is luminous
Ratio realizes color temperature adjustment.
3. a kind of displaying device for adjusting colour temperature and brightness according to claim 1, it is characterized in that the brightness regulation
Circuit is made of brightness regulation knob, control processing circuit and dutyfactor adjustment circuit, by rotating brightness regulation knob to control
Processing circuit processed issues command signal, and control processing circuit generates corresponding pulse signal, duty ratio adjustment according to command signal
Circuit to obtain pulse signal progress duty ratio adjustment according to receiving, and exports required pwm signal, and then realize LED luminance
Control.
4. a kind of displaying device for adjusting colour temperature and brightness according to claim 1, it is characterized in that the power supply circuit
Convert alternating current to the direct current of constant current.
5. a kind of displaying device for adjusting colour temperature and brightness according to claim 1, it is characterized in that the detection is shown
Device shows colour temperature and the detection of the real time value of brightness.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820506374.4U CN208158940U (en) | 2018-04-11 | 2018-04-11 | A kind of displaying device adjusting colour temperature and brightness |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820506374.4U CN208158940U (en) | 2018-04-11 | 2018-04-11 | A kind of displaying device adjusting colour temperature and brightness |
Publications (1)
| Publication Number | Publication Date |
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| CN208158940U true CN208158940U (en) | 2018-11-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820506374.4U Active CN208158940U (en) | 2018-04-11 | 2018-04-11 | A kind of displaying device adjusting colour temperature and brightness |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068434A (en) * | 2018-04-11 | 2018-12-21 | 长春中国光学科学技术馆 | A kind of displaying device adjusting colour temperature and brightness |
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2018
- 2018-04-11 CN CN201820506374.4U patent/CN208158940U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109068434A (en) * | 2018-04-11 | 2018-12-21 | 长春中国光学科学技术馆 | A kind of displaying device adjusting colour temperature and brightness |
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