CN105188196A - LED track lamp with intelligent light sensing and light modulation functions - Google Patents
LED track lamp with intelligent light sensing and light modulation functions Download PDFInfo
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- CN105188196A CN105188196A CN201510497724.6A CN201510497724A CN105188196A CN 105188196 A CN105188196 A CN 105188196A CN 201510497724 A CN201510497724 A CN 201510497724A CN 105188196 A CN105188196 A CN 105188196A
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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 invention discloses an LED track lamp with intelligent light sensing and light modulation functions, and belongs to the technical field of LED illumination. The LED track lamp comprises an LED track lamp and a circuit board. The circuit board comprises a photosensitive module, a display module, a microprocessing module, a DA conversion module, a boost module and an LED constant-current driver; the photosensitive module, the display module and the DA conversion module are connected with the microprocessing module, the DA conversion module is connected with the boost module, and the boost module is connected with the LED constant-current driver; and the photosensitive module and the LED constant-current driver are connected with the LED track lamp, and the LED constant-current driver is connected with a power network socket. According to the invention, an intelligent light modulation LED track lamp with excellent heat dissipation performance is realized, the size is reduced and the heat dissipation effect is improved while power is increased, energy is saved, and the life of the lamp is prolonged; and intelligent light modulation along with environment is realized, and application by a user is more comfortable and convenient.
Description
Technical field
The present invention relates to technical field of LED illumination, particularly a kind of LED track lamp with Intelligent light-sensitive and dimming function.
Background technology
Intelligent lighting refers to distributed wireless remote measurement that technology such as utilizing the transmission of computer, wireless communication data, spread spectrum power carrier communication technology, Computerized intelligent information processing and energy-saving electrical equipment control forms, remote control, distant news control system, realizes the intelligentized control method to lighting apparatus.There is the function such as power adjustment, light soft start, timing controlled, scene setting of lamplight brightness, and reach safe, energy-conservation, comfortable, efficient feature.
Make a general survey of LED intelligent control method and can be divided into four classes: three sections or four sections of switch control rule, remote controller controls, mobile phone controls, conputer controlled.As three sections, road Switching Power Supply has third gear, be respectively 100% brightness, 40% brightness, 10% brightness; Remote controller controls to refer to that user can control the change of LED power brightness and colour temperature by remote controller; The main flow that mobile phone controls utilizes wifi to control, and the scope that can control can only within the scope of router; For conputer controlled, computer software reads the operating state of each LED power, can manage the grouping control of LED power, scenery control and timing controlled etc. in real time, is applicable to the illumination supervision in hotel, market.
Generally speaking, also there is following problem in current intelligent lighting:
1) man-machine interaction is poor, only has less Realization of Product to be presented on the human-computer interaction interface such as mobile phone or computer by the illuminating position of lamp, thus realizes artificial personalized control;
2) intelligent dimming effect is poor, can't reach utilization automatically photosensitive and software algorithm realize completely need not the effect of manually-operated intelligent dimming, light intensity also brightness environmentally cannot carry out real-time change.
Summary of the invention
The object of the invention is for the deficiencies in the prior art, provide a kind of LED track lamp with Intelligent light-sensitive and dimming function, this lamp can realize the intelligent dimming of following environment, and user uses more comfortable, convenient.
In order to achieve the above object, the technical solution adopted in the present invention is: a kind of LED track lamp with Intelligent light-sensitive and dimming function, comprises LED track lamp and circuit board; Wherein, described circuit board comprises illuminant module, display module, micro treatment module, D/A conversion module, boost module and LED constant-current driver etc.; Illuminant module, display module, D/A conversion module are all connected with micro treatment module, and D/A conversion module is connected with boost module, and boost module is connected with LED constant-current driver; Illuminant module, LED constant-current driver are all connected with LED track lamp, and LED constant-current driver is connected with electricity network outlet; Illuminant module, for detecting the light intensity of LED track lamp place environment; Display module, for carrying out the display of current environment light intensity and LED track lamp light intensity; Micro treatment module, for reading the light intensity signal of illuminant module, and is converted into digital dimming signal by this light intensity signal; D/A conversion module, converts the digital dimming signal that micro treatment module exports to analog voltage signal; Boost module, for amplifying analog voltage signal; LED constant-current driver, receives the analog voltage signal after boost module amplification, by linear input voltage-output current relation, exports LED drive current.
Further, described micro treatment module comprises single-chip microcomputer, crystal oscillator, nonpolar electric capacity C1 and C2, polar capacitor C3, reset button Key, resistance R1; Wherein, be connected with the first clock input pin of single-chip microcomputer after one end of crystal oscillator is connected with one end of nonpolar electric capacity C1, be connected with the second clock input pin of single-chip microcomputer after the other end of crystal oscillator is connected with one end of nonpolar electric capacity C2; The equal ground connection of the other end of nonpolar electric capacity C1, C2; Be connected with the power pins of single-chip microcomputer after one end of reset button Key is connected with the positive pole of polar capacitor C3; Be connected with the reset pin of single-chip microcomputer after the other end of reset button Key is connected with the negative pole of polar capacitor C3; One end of resistance R1 is connected with the reset pin of single-chip microcomputer, the other end ground connection of resistance R1.
Further, described illuminant module is made up of four identical light sensor chip U1; Four light sensor chip U1 voltage input ends are connected with the power pins of single-chip microcomputer; The clock pins of four light sensor chip U1 is all connected with the different I/O pin of single-chip microcomputer with data pin; The address pin of four light sensor chip U1 and the equal ground connection of grounding pin.
Further, described display module comprises LCD liquid crystal display screen and resistance R; One end of resistance R is connected with the driving voltage pin of LCD liquid crystal display screen, other end ground connection; All control pins of LCD liquid crystal display screen are connected with the different I/O pin of single-chip microcomputer respectively; All data pin of LCD liquid crystal display screen are connected with the different I/O pin of single-chip microcomputer respectively; The backlight power pins of LCD liquid crystal display screen is all connected with the power pins of single-chip microcomputer with the power pins of LCD liquid crystal display screen; The backlight grounding pin of LCD liquid crystal display screen and the equal ground connection of grounding pin.
Further, described D/A conversion module and boost module comprise DA conversion chip U2 and boost chip U3; The reference power supply pin of DA conversion chip U2 is all connected with the power pins of single-chip microcomputer with power pins; Three address pin of DA conversion chip U2 and the equal ground connection of grounding pin; The clock pins of DA conversion chip U2 is connected with the I/O pin of single-chip microcomputer respectively with data pin; The output pin of DA conversion chip U2 is connected with the input pin of boost chip U3; The grounding pin ground connection of boost chip U3; The output pin of boost chip U3 is connected with the light modulation pin of LED constant-current driver.
Compared with prior art, the invention has the beneficial effects as follows: the present invention, by gathering the environmental light intensity of LED, is connected by the circuit of design and achieves LED and follow environmental light intensity change and the intelligent dimming of regulating self brightness, more energy-conservation and be user-friendly to; Present invention achieves a intelligent dimming LED information display system with superior heat radiation performance simultaneously, adding powerful reduction volume simultaneously and improving radiating effect, the energy-conservation life-span with extending lamp; Realize the intelligent dimming of following environment, user uses more comfortable, convenient.
Accompanying drawing explanation
Fig. 1 is micro treatment module circuit diagram of the present invention;
Fig. 2 is illuminant module circuit diagram of the present invention;
Fig. 3 is display module circuit diagram of the present invention;
Fig. 4 is that DA of the present invention changes and boost module module circuit diagram;
Fig. 5 is LED track lamp Intelligent light-sensitive and follows ambient intelligence light modulation schematic diagram.
Embodiment
Below in conjunction with drawings and Examples, the present invention is further illustrated.
The present invention includes LED track lamp and circuit board; Wherein, described circuit board comprises illuminant module, display module, micro treatment module, D/A conversion module, boost module, LED constant-current driver; Illuminant module, display module, D/A conversion module are all connected with micro treatment module, and D/A conversion module is connected with boost module, and boost module is connected with LED constant-current driver; Illuminant module, LED constant-current driver are all connected with LED track lamp, and LED constant-current driver is connected with electricity network outlet.Illuminant module, for detecting the light intensity of LED track lamp place environment; Display module, for carrying out the display of current environment light intensity and LED track lamp light intensity; Micro treatment module, for reading the light intensity signal of illuminant module, and is converted into digital dimming signal by this light intensity signal; D/A conversion module, converts the digital dimming signal that micro treatment module exports to analog voltage signal; Boost module, for amplifying analog voltage signal; LED constant-current driver, receives the analog voltage signal after boost module amplification, by linear input voltage-output current relation, exports LED drive current; LED track lamp is powered by LED constant-current driver by 220V civil power; Illuminant module, display module, D/A conversion module, boost module are powered by the power pins of micro treatment module.
As shown in Figure 1, micro treatment module comprises single-chip microcomputer, crystal oscillator, nonpolar electric capacity C1, C2, polar capacitor C3, reset button Key, resistance R1; Wherein, be connected with first clock input pin (pin 19) of single-chip microcomputer after one end of crystal oscillator is connected with one end of nonpolar electric capacity C1, be connected with the second clock input pin (pin 18) of single-chip microcomputer after the other end of crystal oscillator is connected with one end of nonpolar electric capacity C2; The equal ground connection of the other end of nonpolar electric capacity C1, C2; Be connected with the power pins (pin 31) of single-chip microcomputer after one end of reset button Key is connected with the positive pole of polar capacitor C3; Be connected with the reset pin (pin 9) of single-chip microcomputer after the other end of reset button Key is connected with the negative pole of polar capacitor C3; One end of resistance R1 is connected with the reset pin (pin 9) of single-chip microcomputer, the other end ground connection of resistance R1; The power pins (pin 31) of single-chip microcomputer is connected with auxiliary 5V power supply.The model of described single-chip microcomputer is AT89C51, but is not limited thereto.
As shown in Figure 2, illuminant module is made up of four identical light sensor chip U1; Four light sensor chip U1 voltage input ends are connected with the power pins of single-chip microcomputer; The clock pins of four light sensor chip U1 is all connected with the different I/O pin of single-chip microcomputer with data pin; The address pin of four light sensor chip U1 and the equal ground connection of grounding pin.The model of four light sensor chip U1 is GY-30, but is not limited thereto.
As shown in Figure 3, display module comprises LCD liquid crystal display screen and resistance R; One end of resistance R is connected with the driving voltage pin (pin 3) of LCD liquid crystal display screen, other end ground connection; All control pins (pin 5,6,7) of LCD liquid crystal display screen are connected with the different I/O pin (pin 21,22,23) of single-chip microcomputer respectively; All data pin (pin 7,8,9,10,11,12,13,14) of LCD liquid crystal display screen are connected with the different I/O pin (pin 39,38,37,36,35,34,33,32) of single-chip microcomputer respectively; The backlight power pins (pin 15) of LCD liquid crystal display screen is all connected with the power pins (pin 31) of single-chip microcomputer with the power pins (pin 2) of LCD liquid crystal display screen; The backlight grounding pin (pin 16) of LCD liquid crystal display screen and grounding pin (pin 1) all ground connection.The VO of LCD liquid crystal display screen regulates display backlight brightness by connecting different resistance R; RS, RW, E control pin, and DB0-DB7 is data pin; RS is data/command selection control end; RS selects write data when connecing high level, selects write order when RS connects low level; RW is Read-write Catrol end, selects to read screen data when connecing high level, selects to write screen data when RW connects low level; E is Enable Pin; Transmit a character and need 8 bit data, therefore, have DB0-DB7 eight signal pins.The model of described LCD liquid crystal display screen is LCD1602, but is not limited thereto.
As shown in Figure 4, D/A conversion module and boost module comprise DA conversion chip U2 and boost chip U3; The reference power supply pin (pin 14) of DA conversion chip U2 is all connected with the power pins (pin 31) of single-chip microcomputer with power pins (pin 16); Three address pin (pin 5,6,7) of DA conversion chip U2 and grounding pin (pin 8) all ground connection; The clock pins of DA conversion chip U2 is connected with the I/O pin (pin 23 and pin 24) of single-chip microcomputer respectively with data pin (pin 10 and pin 9); The output pin (pin 15) of DA conversion chip U2 is connected with the input pin (pin 1) of boost chip U3; Grounding pin (pin 2) ground connection of boost chip U3; The output pin (pin 3) of boost chip U3 is connected with the light modulation pin of LED constant-current driver; The model of described DA conversion chip U2 is PCF8951, but is not limited thereto; The model of described boost chip U3 is LM2577, but is not limited thereto; Described LED constant-current driver adopts English to fly special EUC-052SxxxDT series of driver.
As shown in Figure 5, the operation principle of the LED track lamp of Intelligent light-sensitive and dimming function is as follows: when outside light intensity change, four light sensors environmental light intensities, then corresponding light intensity signal value is sent into single-chip microcomputer, single-chip microcomputer carries out initialization to four optical sensors, read photosensitive value L1, L2, L3 and L4 of four optical sensors successively, and correspondence changes into digital quantity V1, V2, V3 and V4; The mean value getting four is V, and then passing ratio integral differential regulates and generates digital dimming signal; Digital dimming signal sends into D/A conversion module, that export is the analog voltage u1 of a 0-5V, and the dimming interface of LED constant-current driver needs the magnitude of voltage of a 0-10V, so u1 needs the dimmer voltage value u2 changing into 0-10V through boosting driver module, dimmer voltage value u2 sends into the dimming interface of LED constant-current driver, and LED constant-current driver driving LED track lamp carries out light modulation.Connected by above-mentioned circuit and achieve LED and follow environmental light intensity change and the intelligent dimming of regulating self brightness, more energy-conservation and be user-friendly to.
Claims (5)
1. there is a LED track lamp for Intelligent light-sensitive and dimming function, it is characterized in that, comprise LED track lamp and circuit board; Wherein, described circuit board comprises illuminant module, display module, micro treatment module, D/A conversion module, boost module and LED constant-current driver etc.; Illuminant module, display module, D/A conversion module are all connected with micro treatment module, and D/A conversion module is connected with boost module, and boost module is connected with LED constant-current driver; Illuminant module, LED constant-current driver are all connected with LED track lamp, and LED constant-current driver is connected with electricity network outlet; Illuminant module, for detecting the light intensity of LED track lamp place environment; Display module, for carrying out the display of current environment light intensity and LED track lamp light intensity; Micro treatment module, for reading the light intensity signal of illuminant module, and is converted into digital dimming signal by this light intensity signal; D/A conversion module, converts the digital dimming signal that micro treatment module exports to analog voltage signal; Boost module, for amplifying analog voltage signal; LED constant-current driver, receives the analog voltage signal after boost module amplification, by linear input voltage-output current relation, exports LED drive current.
2. the LED track lamp with Intelligent light-sensitive and dimming function according to claim 1, is characterized in that, described micro treatment module comprises single-chip microcomputer, crystal oscillator, nonpolar electric capacity C1 and C2, polar capacitor C3, reset button Key, resistance R1; Wherein, be connected with the first clock input pin of single-chip microcomputer after one end of crystal oscillator is connected with one end of nonpolar electric capacity C1, be connected with the second clock input pin of single-chip microcomputer after the other end of crystal oscillator is connected with one end of nonpolar electric capacity C2; The equal ground connection of the other end of nonpolar electric capacity C1, C2; Be connected with the power pins of single-chip microcomputer after one end of reset button Key is connected with the positive pole of polar capacitor C3; Be connected with the reset pin of single-chip microcomputer after the other end of reset button Key is connected with the negative pole of polar capacitor C3; One end of resistance R1 is connected with the reset pin of single-chip microcomputer, the other end ground connection of resistance R1.
3. the LED track lamp with Intelligent light-sensitive and dimming function according to claim 1, is characterized in that, described illuminant module is made up of four identical light sensor chip U1; Four light sensor chip U1 voltage input ends are connected with the power pins of single-chip microcomputer; The clock pins of four light sensor chip U1 is all connected with the different I/O pin of single-chip microcomputer with data pin; The address pin of four light sensor chip U1 and the equal ground connection of grounding pin.
4. the LED track lamp with Intelligent light-sensitive and dimming function according to claim 1, is characterized in that, described display module comprises LCD liquid crystal display screen and resistance R; One end of resistance R is connected with the driving voltage pin of LCD liquid crystal display screen, other end ground connection; All control pins of LCD liquid crystal display screen are connected with the different I/O pin of single-chip microcomputer respectively; All data pin of LCD liquid crystal display screen are connected with the different I/O pin of single-chip microcomputer respectively; The backlight power pins of LCD liquid crystal display screen is all connected with the power pins of single-chip microcomputer with the power pins of LCD liquid crystal display screen; The backlight grounding pin of LCD liquid crystal display screen and the equal ground connection of grounding pin.
5. the LED track lamp with Intelligent light-sensitive and dimming function according to claim 1, it is characterized in that, described D/A conversion module and boost module comprise DA conversion chip U2 and boost chip U3; The reference power supply pin of DA conversion chip U2 is all connected with the power pins of single-chip microcomputer with power pins; Three address pin of DA conversion chip U2 and the equal ground connection of grounding pin; The clock pins of DA conversion chip U2 is connected with the I/O pin of single-chip microcomputer respectively with data pin; The output pin of DA conversion chip U2 is connected with the input pin of boost chip U3; The grounding pin ground connection of boost chip U3; The output pin of boost chip U3 is connected with the light modulation pin of LED constant-current driver.
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| CN201510497724.6A CN105188196A (en) | 2015-08-13 | 2015-08-13 | LED track lamp with intelligent light sensing and light modulation functions |
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| CN201510497724.6A CN105188196A (en) | 2015-08-13 | 2015-08-13 | LED track lamp with intelligent light sensing and light modulation functions |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107484294A (en) * | 2017-08-23 | 2017-12-15 | 苏州麦喆思科电子有限公司 | A kind of LED switch power-supply controller of electric |
| CN108343892A (en) * | 2018-03-19 | 2018-07-31 | 佛山市凯昌灯饰电器有限公司 | A kind of LED track lamps |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107484294A (en) * | 2017-08-23 | 2017-12-15 | 苏州麦喆思科电子有限公司 | A kind of LED switch power-supply controller of electric |
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Application publication date: 20151223 |