CN201190911Y - LED regulating and controlling device for synthesizing white light or other color lights - Google Patents
LED regulating and controlling device for synthesizing white light or other color lights Download PDFInfo
- Publication number
- CN201190911Y CN201190911Y CNU2008201017616U CN200820101761U CN201190911Y CN 201190911 Y CN201190911 Y CN 201190911Y CN U2008201017616 U CNU2008201017616 U CN U2008201017616U CN 200820101761 U CN200820101761 U CN 200820101761U CN 201190911 Y CN201190911 Y CN 201190911Y
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- light
- light emitting
- resistance
- emitting diode
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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
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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Abstract
A light emitting diode regulating device for synthesizing white light or other color lights comprises a microprocessor and a plurality of light emitting diodes of three primary colors and an optic fiber beam for transmitting the lights of the light emitting diodes, wherein the light emitting diodes of each primary color are fit with a light emitting diode drive circuit, a photosensitive diode, a temperature induction circuit and a comparison circuit. The photosensitive diode senses the brightness of the light emitting diodes and transmits the brightness signals to a corresponding comparison circuit which compares the brightness signal with a preset brightness value to obtain and transmit a comparison signal to the microprocessor, the temperature induction circuit transmits the temperature induction signal of the light emitting diodes to the microprocessor, the microprocessor outputs a regulating signal to the light emitting diode drive circuit for increase or decrease, the light emitting diode drive circuit outputs corrected current supply for the light emitting diodes. The light emitting diode regulating device can real-timely control the light ratio, brightness and temperature of emitted three primary colors, to control the mixture light accurately.
Description
Technical field
The utility model relates to and utilizes lumination of light emitting diode synthesize white light or other coloured light, specifically is meant the light emitting diode regulation device of a kind of synthesize white light or other coloured light.
Background technology
Ideal in many occasions with the pure color optical illumination, for example penetrate with pure white light or other pure color illumination, just can show the most real color behind the scenery exposure, or show required color and luster.
The principle that makes light emitting diode send white light at present is the light emitting diode with the script blue light-emitting, during fabrication fluorescent material is sneaked into to change into white light in shinny position, mainly be to shine fluorescent material earlier, produce remaining green glow, the ruddiness except blue light in the primaries indirectly, and then be mixed into the white light that we see.But the dosage of sneaking into fluorescent material is difficult to accurately be affectedly bashful, just make photochromic inclined to one side indigo plant if the phosphor powder layer of coating is thinner, thicklyer just make photochromic inclined to one side Huang, therefore to find this type of lumination of light emitting diode of very approaching luminous pure white flawless look on the market and be not easy, can't be applicable to the place that needs pure white illuminant color.
Also can with send many light emitting diodes of many light emitting diodes, the green light of blue light, many light emitting diodes glowing are staggered alternately, each coloured light is mixed into white light, or blendes together other coloured light.But many light emitting diodes are under mutual staggered situation, be difficult to control the input current of indivedual light emitting diodes, make the luminosity equalization of each light emitting diode, also be difficult to accurately allocate the mixed light ratio, simultaneously, the colour temperature of lumination of light emitting diode is not carried out indivedual precisely controls yet, and this also is one of photochromic key factor that influences mixed light, therefore, this kind method also is difficult to obtain truly pure white light or other accurate coloured light.
The utility model content
The utility model provides the light emitting diode regulation device of a kind of synthesize white light or other coloured light, and its main purpose is to overcome the shortcoming that prior art is difficult to blend by the primaries that trichromatic light emitting diode sends pure white light or other accurate coloured light.
The utility model adopts following technical scheme: the light emitting diode regulation device of synthesize white light or other coloured light, the fibre bundle that comprises several light emitting diodes that belong to primaries respectively and conduct the light that each light emitting diode sends, the light emitting diode coupling of each primitive color light has LED driving circuit, light sensitive diode, temperature-sensitive circuit, comparison circuit, also comprises a microprocessor; The inducing luminous LED lightness of light sensitive diode also passes to corresponding comparison circuit with the inductive light intensity signal, and comparison circuit sends to microprocessor with the ratio signal that this luminance signal and default brightness value relatively draw; Temperature-sensitive circuit is sent to this microprocessor with the temperature-sensitive signal of its inducing luminous diode; The adjustment signal that this microprocessor increases or downgrades to LED driving circuit output, LED driving circuit is to the supply electric current of light emitting diode output calibration.
The light emitting diode regulation device of aforementioned synthesize white light or other coloured light, the LED driving circuit of its each light emitting diode and coupling thereof, light sensitive diode, temperature-sensitive circuit, comparison circuit and this microprocessor are integrated on the surface-mounted integrated circuit.
Described LED driving circuit is made of first resistance, second resistance, the 3rd resistance, first electric capacity, second electric capacity, Zener diode, coil and drive integrated circult; The adjustment signal that outputs to this LED driving circuit from described microprocessor passes to drive integrated circult receivable control is held through first resistance; This drive integrated circult earth terminal ground connection, voltage termination power and tap first capacity earth, the earth terminal serial connection Zener diode of first electric capacity is to the output of this drive integrated circult; The output of this drive integrated circult serial connection coil is to light emitting diode and light sensitive diode one end, and an end tap second electric capacity that this Zener diode is access to first electric capacity is connected to an end of light emitting diode to coil; One of this drive integrated circult frequently terminates to the not connecting coil end of light emitting diode, and is connected in series second resistance eutral grounding, and this second resistance eutral grounding end connects the not connecting coil end of light sensitive diode through the 3rd resistance.
Described comparison circuit is made of the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance and comparison integrated circuit; This is integrated circuit voltage termination power relatively, and its electrode input end is connected in series the 4th resistance to its earth terminal, and the end that the 4th resistance connects this comparison integrated circuit electrode input end is connected in series the 3rd resistance eutral grounding; The unearthed not end of connecting coil of light sensitive diode that is connected to of the 3rd resistance; The negative input of this comparison integrated circuit is connected in series the 5th resistance eutral grounding, and relatively the negative input of integrated circuit is connected by the 6th resistance with output, and the output of this comparison integrated circuit is connected to microprocessor.
Described temperature-sensitive circuit is made up of the 7th resistance, the 8th resistance, the 9th resistance, temperature sensitive resister and transistor, this transistor base serial connection temperature sensitive resister is to power supply, and base stage tap the 9th resistance eutral grounding, and with its grounded emitter, and its collection utmost point is connected in series the 7th resistance to power supply, and the collection utmost point is connected in series the 8th resistance to microprocessor.
Optical fiber row, each line end that described fibre bundle is squeezed into the ruddiness that light emitting diode penetrates by each line end squeezed into the optical fiber row of the green glow that light emitting diode penetrates and each line end and squeezed into the optical fiber row of the blue light that light emitting diode penetrates and be formed by stacking, and constitutes a flat light-guide device.
Further, described flat light-guide device is curled into ring-type on the length direction of each optical fiber.
Described flat light-guide device also can scroll up in the side vertical with each fiber length and build up column.
Can be coated with the light tight film of one deck on the side face of the light-guide device of this column.
By above-mentioned description to the utility model structure as can be known, compare with prior art, the utlity model has following advantage: brightness, the colour temperature that can detect several light emitting diodes that adhere to primaries separately at any time, convert the respective signal value to, after comparing with default brightness, color temperature value, to the supply electric current of light emitting diode output calibration, reach mixed light ratio, brightness and the colour temperature of controlling the primaries that sends thereby make, and then can accurately control the mixed light effect that is drawn.
Description of drawings
Fig. 1 is the utility model schematic block circuit diagram;
Fig. 2 is the utility model circuit diagram;
Fig. 3 is the structural representation of the utility model embodiment one fibre bundle;
Fig. 4 is the structural representation of the utility model embodiment two fibre bundles;
Fig. 5 is the structural representation of the utility model embodiment three fibre bundles;
Fig. 6 is the structural representation of the utility model embodiment four fibre bundles.
The specific embodiment
The specific embodiment of the present utility model is described with reference to the accompanying drawings.
The light emitting diode regulation device of synthesize white light or other coloured light sees figures.1.and.2, and comprises the light emitting diode 10,11,12 that belongs to Red Green Blue light respectively.Light emitting diode 10 couplings have LED driving circuit 20, light sensitive diode 30, temperature-sensitive circuit 40, comparison circuit 50, Light-Emitting Diode 11,12 mates too identical circuit structure, and the circuit block diagram that Light-Emitting Diode 10 is complementary only is shown among Fig. 1.In addition, also comprise a microprocessor 60.The brightness of light sensitive diode 30 inducing luminous diodes 10 is also passed to corresponding comparison circuit 50 with the inductive light intensity signal, and comparison circuit 50 sends to microprocessor 60 with the ratio signal that this luminance signal and default brightness value relatively draw; Temperature-sensitive circuit 40 is sent to this microprocessor 60 with the temperature-sensitive signal of its light emitting diode of sensing 10; This microprocessor 60 is according to ratio signal and the temperature-sensitive signal received, and to the adjustment signal that LED driving circuit 20 outputs increase or downgrade, LED driving circuit 20 is to the supply electric current of light emitting diode 10 output calibrations.
With reference to Fig. 2, above-mentioned LED driving circuit is made of first resistance R 1, second resistance R 2, the 3rd resistance R 3, first capacitor C 1, second capacitor C 2, Zener diode D1, coil L1 and drive integrated circult 21.The adjustment signal that outputs to this LED driving circuit 20 from the PA0 of microprocessor 60 end through RA0, first resistance R 1 pass to drive integrated circult 21 to receivable control end EN; These drive integrated circult 21 earth terminal GND ground connection, voltage end VCC connects power supply and tap first capacitor C 1 ground connection, and the earth terminal serial connection Zener diode D1 of first capacitor C 1 is to the output OUT of this drive integrated circult 21; The output OUT of this drive integrated circult 21 serial connection coil L1 is to an end of light emitting diode 10 and light sensitive diode 30, and an end tap second capacitor C 2 that this Zener diode D1 is access to first capacitor C 1 is connected to an end of light emitting diode 10 to coil L1; One of this drive integrated circult 21 frequently holds FB to receive the not connecting coil end of light emitting diode 10, and is connected in series second resistance R, 2 ground connection, and these second resistance R, 2 earth terminals connect the not connecting coil end of light sensitive diode 30 through the 3rd resistance R 3.
With reference to Fig. 2, above-mentioned comparison circuit 50 is made of the 3rd resistance R 3, the 4th resistance R 4, the 5th resistance R 5, the 6th resistance R 6 and comparison integrated circuit 51.This comparison integrated circuit 51 voltage end VCC connect power supply, and its electrode input end IN+ is connected in series the 4th resistance R 4 to its earth terminal GND, and the end that the 4th resistance R 4 meets this comparison integrated circuit 21 electrode input end IN+ is connected in series the 3rd resistance R 3 ground connection; The unearthed not end of connecting coil of light sensitive diode 30 that is connected to of the 3rd resistance R 3; The negative input IN-of this comparison integrated circuit 51 is connected in series the 5th resistance R 5 ground connection, and relatively the negative input IN-of integrated circuit 51 is connected by the 6th resistance R 6 with output OUT, and the output OUT of this comparison integrated circuit 51 is connected to the AD0 end of microprocessor 60.
With reference to Fig. 2, above-mentioned temperature-sensitive circuit 40 is made up of the 7th resistance R 7, the 8th resistance R 8, the 9th resistance R 9, temperature sensitive resister R10 and transistor Q1, this transistor Q1 base stage serial connection temperature sensitive resister R10 is to power supply, and base stage tap the 9th resistance R 9 ground connection, and with its grounded emitter, and its collection utmost point is connected in series the 7th resistance R 7 to power supply, and the collection utmost point is connected in series the PA3 end of the 8th resistance R 8 to microprocessor 60.
With reference to Fig. 4, shown the fibre bundle of the utility model embodiment two, be that with the difference of embodiment one described flat light-guide device 71 is curled into ring-type on the length direction of each optical fiber.
With reference to Fig. 5, shown the fibre bundle of the utility model embodiment three, be with the difference of embodiment one that described flat light-guide device 71 scrolls up in the side vertical with each fiber length and build up column.
With reference to Fig. 6, shown the fibre bundle of the utility model embodiment four, be can be coated with the light tight film 72 of one deck on the side face of light-guide device 71 of this column with the difference of embodiment three.
Above-mentioned only is the specific embodiment of the present utility model, but design concept of the present utility model is not limited thereto, and allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (9)
1, the light emitting diode regulation device of synthesize white light or other coloured light, it is characterized in that: the fibre bundle that comprises several light emitting diodes that belong to primaries respectively and conduct the light that each light emitting diode sends, the light emitting diode coupling of each primitive color light has LED driving circuit, light sensitive diode, temperature-sensitive circuit, comparison circuit, also comprises a microprocessor; The inducing luminous LED lightness of light sensitive diode also passes to corresponding comparison circuit with the inductive light intensity signal, and comparison circuit sends to microprocessor with the ratio signal that this luminance signal and default brightness value relatively draw; Temperature-sensitive circuit is sent to this microprocessor with the temperature-sensitive signal of its inducing luminous diode; The adjustment signal that this microprocessor increases or downgrades to LED driving circuit output, LED driving circuit is to the supply electric current of light emitting diode output calibration.
2, the light emitting diode regulation device of synthesize white light as claimed in claim 1 or other coloured light is characterized in that: the LED driving circuit of described each light emitting diode and coupling thereof, light sensitive diode, temperature-sensitive circuit, comparison circuit and this microprocessor are integrated on the surface-mounted integrated circuit.
3, the light emitting diode regulation device of synthesize white light as claimed in claim 1 or 2 or other coloured light is characterized in that: described LED driving circuit is made of first resistance, second resistance, the 3rd resistance, first electric capacity, second electric capacity, Zener diode, coil and drive integrated circult; The adjustment signal that outputs to this LED driving circuit from described microprocessor passes to drive integrated circult receivable control is held through first resistance; This drive integrated circult earth terminal ground connection, voltage termination power and tap first capacity earth, the earth terminal serial connection Zener diode of first electric capacity is to the output of this drive integrated circult; The output of this drive integrated circult serial connection coil is to light emitting diode and light sensitive diode one end, and an end tap second electric capacity that this Zener diode is access to first electric capacity is connected to an end of light emitting diode to coil; One of this drive integrated circult frequently terminates to the not connecting coil end of light emitting diode, and is connected in series second resistance eutral grounding, and this second resistance eutral grounding end connects the not connecting coil end of light sensitive diode through the 3rd resistance.
4, the light emitting diode regulation device of synthesize white light as claimed in claim 3 or other coloured light is characterized in that: described comparison circuit is made of the 3rd resistance, the 4th resistance, the 5th resistance, the 6th resistance and comparison integrated circuit; This is integrated circuit voltage termination power relatively, and its electrode input end is connected in series the 4th resistance to its earth terminal, and the end that the 4th resistance connects this comparison integrated circuit electrode input end is connected in series the 3rd resistance eutral grounding; The unearthed not end of connecting coil of light sensitive diode that is connected to of the 3rd resistance; The negative input of this comparison integrated circuit is connected in series the 5th resistance eutral grounding, and relatively the negative input of integrated circuit is connected by the 6th resistance with output, and the output of this comparison integrated circuit is connected to microprocessor.
5, the light emitting diode regulation device of synthesize white light as claimed in claim 1 or 2 or other coloured light, it is characterized in that: described temperature-sensitive circuit is made up of the 7th resistance, the 8th resistance, the 9th resistance, temperature sensitive resister and transistor, this transistor base serial connection temperature sensitive resister is to power supply, and base stage tap the 9th resistance eutral grounding, and with its grounded emitter, and its collection utmost point is connected in series the 7th resistance to power supply, and the collection utmost point is connected in series the 8th resistance to microprocessor.
6, the light emitting diode regulation device of synthesize white light as claimed in claim 1 or 2 or other coloured light, it is characterized in that: optical fiber row, each line end that described fibre bundle is squeezed into the ruddiness that light emitting diode penetrates by each line end squeezed into the optical fiber row of the green glow that light emitting diode penetrates and each line end and squeezed into the optical fiber row of the blue light that light emitting diode penetrates and be formed by stacking, and constitutes a flat light-guide device.
7, the light emitting diode regulation device of synthesize white light as claimed in claim 6 or other coloured light is characterized in that: described flat light-guide device is curled into ring-type on the length direction of each optical fiber.
8, the light emitting diode regulation device of synthesize white light as claimed in claim 6 or other coloured light is characterized in that: described flat light-guide device scrolls up in the side vertical with each fiber length and builds up column.
9, the light emitting diode regulation device of synthesize white light as claimed in claim 8 or other coloured light is characterized in that: be coated with the light tight film of one deck on the side face of the light-guide device of described column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201017616U CN201190911Y (en) | 2008-03-24 | 2008-03-24 | LED regulating and controlling device for synthesizing white light or other color lights |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201017616U CN201190911Y (en) | 2008-03-24 | 2008-03-24 | LED regulating and controlling device for synthesizing white light or other color lights |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201190911Y true CN201190911Y (en) | 2009-02-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201017616U Expired - Lifetime CN201190911Y (en) | 2008-03-24 | 2008-03-24 | LED regulating and controlling device for synthesizing white light or other color lights |
Country Status (1)
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| CN (1) | CN201190911Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105306914A (en) * | 2014-06-26 | 2016-02-03 | 原相科技(槟城)有限公司 | Color image sensor and operating method thereof |
-
2008
- 2008-03-24 CN CNU2008201017616U patent/CN201190911Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105306914A (en) * | 2014-06-26 | 2016-02-03 | 原相科技(槟城)有限公司 | Color image sensor and operating method thereof |
| CN105306914B (en) * | 2014-06-26 | 2018-08-31 | 原相科技股份有限公司 | Chromatic image sensor and its operating method |
| CN109151412A (en) * | 2014-06-26 | 2019-01-04 | 原相科技股份有限公司 | The chromatic image sensor of infrared light ingredient can be eliminated |
| CN109151412B (en) * | 2014-06-26 | 2021-07-09 | 原相科技股份有限公司 | Color image sensor capable of eliminating infrared light component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090204 |
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| CX01 | Expiry of patent term |