CN201039534Y - A color temperature adjustable LED road lamp control circuit - Google Patents
A color temperature adjustable LED road lamp control circuit Download PDFInfo
- Publication number
- CN201039534Y CN201039534Y CNU2007200513008U CN200720051300U CN201039534Y CN 201039534 Y CN201039534 Y CN 201039534Y CN U2007200513008 U CNU2007200513008 U CN U2007200513008U CN 200720051300 U CN200720051300 U CN 200720051300U CN 201039534 Y CN201039534 Y CN 201039534Y
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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
The utility model belongs to a circuit, belonging to the technical field of electricity, and in particular to a color and temperature adjustable LED street lamp controlling circuit, which comprises a switching power supply output terminal, the impulse width modulating input terminal of a voltage-increasing and constant current module, and a controlling circuit connected between the switching power supply output terminal and the impulse width modulating input terminals of the voltage-increasing and constant current module, wherein, the controlling circuit is provided with a single-sheet machine chip and a temperature sensor, the cathode terminal of which is grounding, and the anode terminal is connected with the output terminal of a DC power supply. An intermediate signal terminal is connected with the corresponding guiding pin of the single-sheet machine chip. According to the light-inductive principle of the temperature sensor and the running control of the programme of the single-sheet machine chip, the utility model can achieve the needed color and temperature value by adjusting lightening strength of corresponding LED at any moment, according to the change of outer environmental climate, thus realizing better lightening and decorating effects.
Description
Affiliated technical field
The utility model belongs to the electroporation field, relates to a kind of circuit, particularly relates to a kind of LED streetlight control circuit of adjustable color temperature.
Background technology
Because characteristics such as LED has that volume is little, high brightness, caloric value are low, low voltage drive.Therefore, LED is widely used in the conventional normal lighting light fixture, and recent years particularly, increasing LED is widely used in the LED street lamp as road lighting.
Traditional LED street lamp mostly is made up of the LED of LED that emits white light and jaundice light, and the light of two kinds of colors mixes, and after adjusting according to needed requirement, sends the warm light of a kind of soft yellowish white.The weak point of this technology is: the color temperature value of the light that this street lamp sent is unadjustable, such as, when the residing ambient temperature of LED street lamp is low, send a kind of soft warm light, give a kind of warm, comfortable sensation of people, this is fine; But,, send a kind of soft warm light if when the residing ambient temperature of LED street lamp is higher, as if some is inharmonious, moreover ambient temperature itself is just higher, adds the soft warm light that the LED street lamp sends, and can bring a kind of agitation, uncomfortable, sultryyer sensation to the people.And if we can not be talkative when ambient temperature changes, we just readjust the light that the LED street lamp is sent, and this is unpractical, also is worthless.
Because ambient temperature differs the color temperature value that too big, traditional LED street lamp but can not be regulated the light that the LED street lamp self sent according to the variation of weather round the clock throughout the year, so not only can not satisfy people's demand, and influence the effect of night lighting and decoration.Therefore, for the LED street lamp that makes us can be adjusted LED street lamp color temperature value automatically according to the variation of weather, thereby the effect of better playing illumination and decorating, more than existing some shortcomings part, remain further to be improved and innovate.
Summary of the invention
In view of this, the purpose of this utility model is in order to solve the above-mentioned problem that proposes, to provide a kind of and can regulate the LED streetlight control circuit that corresponding LED brightness reaches the adjustable color temperature of required color temperature value according to extraneous climate change.
To achieve these goals, the technical scheme that the utility model adopted is a kind of LED streetlight control circuit of adjustable color temperature, this circuit comprises the Switching Power Supply output, the pulse width modulation input of voltage increase and current constant module, and be connected control circuit between the pulse width modulation input of Switching Power Supply output and voltage increase and current constant module, it is characterized in that: described control circuit is provided with singlechip chip and temperature sensor, the negative pole end ground connection of this temperature sensor, positive terminal is connected with the output of DC power supply, and the M signal end is connected to the respective pins end of singlechip chip.
Described controller also comprises the low-voltage DC source circuit.
Described low-voltage DC source circuit is made up of diode, resistance, electric capacity and three terminal regulator, wherein, the be linked in sequence input of diode, resistance and three terminal regulator of Switching Power Supply output, export its low-voltage, simultaneously, between the input of resistance and three terminal regulator and be connected in parallel a respectively end of electric capacity of the output of three terminal regulator, the other end that should and connect electric capacity is ground connection respectively.
The pin of described singlechip chip is connected with the external clock pulse circuit.
Described clock-pulse circuit is made up of electric capacity and crystal oscillator, wherein, two electric capacity parallel connections, an end ground connection, the other end is connected with the two ends of crystal oscillator respectively, and an end of crystal oscillator is connected with a pin of singlechip chip, and the other end of crystal oscillator is connected with another pin.
Be connected with the interface socket that external program writes on the pin of described singlechip chip.
The utility model compared with prior art, its beneficial effect is: the control circuit of the utility model between the pulse width modulation input of Switching Power Supply output and voltage increase and current constant module, this control circuit is provided with singlechip chip and temperature sensor, this temperature sensor can be at any time according to the variations in temperature of external environment, write corresponding program running control by interface socket, come the brightness value of regulating and controlling yellow light LED, make it to obtain the illuminance of corresponding color temperature value and LED street lamp, the LED street lamp can be adjusted LED street lamp color temperature value automatically according to the variation of weather like this, thus the effect of better playing illumination and decorating.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment
Is the function and benefit of further understanding architectural feature of the present utility model in depth and can reach, now enumerates specific embodiment, and detailed introduction of conjunction with figs. is described as follows:
A kind of LED streetlight control circuit of adjustable color temperature, as shown in Figure 1, the Switching Power Supply output of this LED streetlight control circuit is connected with dc supply input, this DC power supply circuit is by diode, resistance, electric capacity and three terminal regulator are formed, wherein, the Switching Power Supply output is exported its DC (21V-27V) voltage buck diode D2 that is linked in sequence, the input of resistance R 1 and three terminal regulator U1, export its low pressure, simultaneously, for guaranteeing that in addition the voltage of exporting is more stable, between the input of the output of resistance R 1 and three terminal regulator U1, the output of three terminal regulator U1, with electrochemical capacitor C1 and common electric capacity C2, the end of electrochemical capacitor C3 and common electric capacity C4 is connected in parallel in proper order, and electrochemical capacitor C1 and C3 respectively, the other end of common electric capacity C2 and C4 is ground connection respectively.
Describedly between pulse width modulation (PWM) input of Switching Power Supply output and voltage increase and current constant module, be connected with a control circuit, this control circuit is provided with singlechip chip U2 and temperature sensor S1, the pin of this temperature sensor S1 is connected with ground, two pins are connected with singlechip chip pin 23 with DC power supply circuit respectively in addition, and this singlechip chip pin 23 is connected with the end of common electric capacity C5, the other end ground connection of this common electric capacity C5.
Also be connected with clock-pulse circuit on the pin 7 and 8 of described singlechip chip U2, this circuit is made up of electric capacity and crystal oscillator.Wherein, capacitor C 8 and C9 parallel connection, an end ground connection, the other end is connected with the two ends of crystal oscillator X1 respectively, and the end of crystal oscillator X1 is connected with the pin 7 of singlechip chip U2, and the other end of crystal oscillator X1 is connected with pin 8.Simultaneously, the pin 3 of singlechip chip U2 is with pin 6 and be connected with a capacitor C 7, and is connected with DC power supply VCC with ground respectively.In order to make the utility model working stability, be connected with capacitor C 6 and oscillating circuit L1 on the pin 18 of singlechip chip U2, the input of this oscillating circuit L1 is connected with DC power supply VCC, and the other end of capacitor C 6 is connected with ground.
Also be connected with the interface socket J1 that external program writes on the pin of described singlechip chip U2.This interface socket J1 is provided with 6 leads ends, 1 pin ground connection, and 2 pin are connected with the pin 17 of singlechip chip U2,3 pin are connected with the pin 16 of singlechip chip U2,4 pin are connected with the pin 15 of singlechip chip U2, and 5 pin are connected with the pin 29 of singlechip chip U2, and 6 pin meet DC power supply VCC.
During operate as normal, temperature sensor S1 writes corresponding program running control by interface socket J1, the brightness value of yellow light LED in the LED street lamp be can regulate at any time according to the variations in temperature of external environment, thereby pairing color temperature value of LED street lamp and illuminance further adjusted.For can further instruction adjustment relation between the illuminance of brightness, LED street lamp colour temperature and LED street lamp of ambient temperature, yellow light LED can be with reference to following table:
| Street lamp (white light LEDs+yellow light LED) | |||
| Brightness value (white light/gold-tinted) | Colour temperature (K) | Illumination (LUX) | Temperature (℃) |
| 100％/100％ | 3280 | 16.22 | >＝20 |
| 100％/88％ | 3427 | 15.67 | 22 |
| 100％/78％ | 3595 | 15.21 | 24 |
| 100％/68％ | 3789 | 14.69 | 26 |
| 100％/58％ | 4025 | 14.11 | 28 |
| 100％/48％ | 4324 | 13.55 | 30 |
| 100％/39％ | 4700 | 12.91 | 32 |
| 100％/29％ | 5204 | 12.25 | 34 |
| 100％/19％ | 5871 | 11.59 | 36 |
| 100％/10％ | 6705 | 10.85 | 38 |
| 100％/0％ | 7825 | 10.22 | >＝40 |
And the output of singlechip chip U2 also is connected with pulse width modulation (PWM) end of voltage increase and current constant module, can be according to the variation of external environment or the brightness of particular demands adjustment street lamp.
In sum, the utility model provides a kind of LED streetlight control circuit of adjustable color temperature, through actual fabrication, finish and test repeatedly after, reached the desired purpose of the utility model, solved existing weak point in the prior art effectively.Yet, more than the specific embodiment of lifting only be that technical characterictic of the present utility model and technology contents are described in further detail, shown in accompanying drawing only for reference with the explanation usefulness, be not to be used for the utility model is limited.
Claims (6)
1. the LED streetlight control circuit of an adjustable color temperature, this circuit comprise the pulse width modulation input of Switching Power Supply output, voltage increase and current constant module and be connected the Switching Power Supply output and the pulse width modulation input of voltage increase and current constant module between control circuit, it is characterized in that: described control circuit is provided with singlechip chip and temperature sensor, the negative pole end ground connection of this temperature sensor, positive terminal is connected with the output of DC power supply, and the M signal end is connected to the respective pins end of singlechip chip.
2. the LED streetlight control circuit of adjustable color temperature according to claim 1, it is characterized in that: described controller also comprises the low-voltage DC source circuit.
3. the LED streetlight control circuit of adjustable color temperature according to claim 2, it is characterized in that: described low-voltage DC source circuit is made up of diode, resistance, electric capacity and three terminal regulator, wherein, the be linked in sequence input of diode, resistance and three terminal regulator of Switching Power Supply output, export its low-voltage, simultaneously, between the input of resistance and three terminal regulator and be connected in parallel a respectively end of electric capacity of the output of three terminal regulator, the other end that should and connect electric capacity is ground connection respectively.
4. the LED streetlight control circuit of adjustable color temperature according to claim 1, it is characterized in that: the pin of described singlechip chip is connected with the external clock pulse circuit.
5. the LED streetlight control circuit of adjustable color temperature according to claim 4, it is characterized in that: described clock-pulse circuit is made up of electric capacity and crystal oscillator, wherein, two electric capacity parallel connections, one end ground connection, the other end is connected with the two ends of crystal oscillator respectively, and an end of crystal oscillator is connected with a pin of singlechip chip, and the other end of crystal oscillator is connected with another pin.
6. the LED streetlight control circuit of adjustable color temperature according to claim 1 is characterized in that: be connected with the interface socket that external program writes on the pin of described singlechip chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200513008U CN201039534Y (en) | 2007-05-09 | 2007-05-09 | A color temperature adjustable LED road lamp control circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200513008U CN201039534Y (en) | 2007-05-09 | 2007-05-09 | A color temperature adjustable LED road lamp control circuit |
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| Publication Number | Publication Date |
|---|---|
| CN201039534Y true CN201039534Y (en) | 2008-03-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200513008U Expired - Fee Related CN201039534Y (en) | 2007-05-09 | 2007-05-09 | A color temperature adjustable LED road lamp control circuit |
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| CN (1) | CN201039534Y (en) |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839436A (en) * | 2009-06-20 | 2010-09-22 | 王丹琳 | Light with variable color temperature along with ambient temperature |
| CN102014560A (en) * | 2010-11-24 | 2011-04-13 | 四川省桑瑞光辉标识系统股份有限公司 | Adaptive light emitting diode (LED) illumination device and control method thereof |
| CN102196641A (en) * | 2011-06-15 | 2011-09-21 | 浙江晶日照明科技有限公司 | Automatic dimming garden lamp |
| CN102469654A (en) * | 2010-11-15 | 2012-05-23 | 展晶科技(深圳)有限公司 | Color temperature variable illumination equipment |
| CN103609201A (en) * | 2011-06-13 | 2014-02-26 | 皇家飞利浦有限公司 | Adaptive controlled outdoor lighting system and method of operation thereof |
| CN103945604A (en) * | 2014-04-03 | 2014-07-23 | 京东方光科技有限公司 | Light adjusting method, light adjusting device, adjustable light source and display equipment |
| CN104010428A (en) * | 2014-06-23 | 2014-08-27 | 哈尔滨工业大学 | Control circuit for visual calibration target adopting LEDs |
| CN104168689A (en) * | 2014-05-04 | 2014-11-26 | 广东工业大学 | LED lamp control device and LED lamp control method |
| GB2531784A (en) * | 2014-10-30 | 2016-05-04 | Cornwell Simon | Improvement in or relating to outdoor lighting |
| CN106937449A (en) * | 2017-04-20 | 2017-07-07 | 朱小安 | A kind of colour temperature chip of detection LED switch on wall and the circuit of application color temperature chip |
| CN109041324A (en) * | 2018-06-08 | 2018-12-18 | 珠海金晟照明科技有限公司 | The color temperature adjusting method of lamps and lanterns, lighting system and lamps and lanterns |
-
2007
- 2007-05-09 CN CNU2007200513008U patent/CN201039534Y/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101839436A (en) * | 2009-06-20 | 2010-09-22 | 王丹琳 | Light with variable color temperature along with ambient temperature |
| CN102469654A (en) * | 2010-11-15 | 2012-05-23 | 展晶科技(深圳)有限公司 | Color temperature variable illumination equipment |
| CN102014560A (en) * | 2010-11-24 | 2011-04-13 | 四川省桑瑞光辉标识系统股份有限公司 | Adaptive light emitting diode (LED) illumination device and control method thereof |
| CN102014560B (en) * | 2010-11-24 | 2012-11-28 | 四川省桑瑞光辉标识系统股份有限公司 | Adaptive light emitting diode (LED) illumination device and control method thereof |
| CN103609201A (en) * | 2011-06-13 | 2014-02-26 | 皇家飞利浦有限公司 | Adaptive controlled outdoor lighting system and method of operation thereof |
| CN102196641A (en) * | 2011-06-15 | 2011-09-21 | 浙江晶日照明科技有限公司 | Automatic dimming garden lamp |
| CN103945604A (en) * | 2014-04-03 | 2014-07-23 | 京东方光科技有限公司 | Light adjusting method, light adjusting device, adjustable light source and display equipment |
| CN104168689A (en) * | 2014-05-04 | 2014-11-26 | 广东工业大学 | LED lamp control device and LED lamp control method |
| CN104010428A (en) * | 2014-06-23 | 2014-08-27 | 哈尔滨工业大学 | Control circuit for visual calibration target adopting LEDs |
| CN104010428B (en) * | 2014-06-23 | 2016-03-09 | 哈尔滨工业大学 | Adopt the control circuit of the vision calibration template of LED |
| GB2531784A (en) * | 2014-10-30 | 2016-05-04 | Cornwell Simon | Improvement in or relating to outdoor lighting |
| GB2531784B (en) * | 2014-10-30 | 2016-10-26 | Cornwell Simon | Improvement in or relating to outdoor lighting |
| CN106937449A (en) * | 2017-04-20 | 2017-07-07 | 朱小安 | A kind of colour temperature chip of detection LED switch on wall and the circuit of application color temperature chip |
| CN109041324A (en) * | 2018-06-08 | 2018-12-18 | 珠海金晟照明科技有限公司 | The color temperature adjusting method of lamps and lanterns, lighting system and lamps and lanterns |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080319 Termination date: 20120509 |