CN208175058U - Lamps intelligent control circuit - Google Patents

The utility model discloses lamps intelligent control circuits, including LED light, driving circuit, control circuit and data acquisition circuit, control circuit includes a control chip and a crystal oscillator, it further include capacitor C1 to capacitor C5, resistance R1, capacitor C1 is connected between one end of crystal oscillator and ground, capacitor C2 is connected between the other end of crystal oscillator and ground, capacitor C3, capacitor C4 and capacitor C5 is parallel between the voltage pin and ground of control chip, between resistance R1 connection and the clock input pin and crystal oscillator that control chip, the output pin for controlling chip connects driving circuit, driving circuit connects LED light, the input pin of data acquisition circuit connection control chip.The utility model is more automated, and more energy saving and intelligent by data acquisition circuit automatic collection intensity of illumination so that control circuit automatically controls the closing of LED light by driving circuit according to intensity of illumination and adjusts the brightness of LED light.

Lamps intelligent control circuit

Technical field

The utility model relates to lighting technology more particularly to lamps intelligent control circuits.

Background technique

With the development of the times, urban modernization pace of construction is constantly accelerated, city illumination electricity saving and energy saving, green illumination It is required that also higher and higher.LED light is one piece of electroluminescent chip of semiconductor material, on elargol or latex solidified to bracket, Then it is sealed with silver wire or gold thread connection chip and circuit board, surrounding with epoxy resin, plays the role of protecting internal core, most After shell is installed, so the anti-seismic performance of LED light is good.LED light source has using low-tension supply, consumes energy less, strong applicability, stabilization Property it is high, the response time is short, no pollution to the environment, multicolor luminous etc. advantage, although the more existing illuminating equipment of price is expensive, still by It is considered that it will inevitably substitute existing illuminating device.Manual type control is generallyd use in the illuminator used at present It is lighted and extinguishes, this mode not enough environmental protection, energy conservation and intelligence.

Utility model content

For overcome the deficiencies in the prior art, the purpose of this utility model is to provide lamps intelligent control circuit, energy Solve the problems, such as that existing illumination is not energy saving enough.

The purpose of this utility model is implemented with the following technical solutions：

Lamps intelligent control circuit, including LED light, driving circuit, control circuit and data acquisition circuit, the control electricity Road includes an a control chip and crystal oscillator, further includes capacitor C1 to capacitor C5, resistance R1, capacitor C1 be connected to one end of crystal oscillator with Between ground, capacitor C2 is connected between the other end of crystal oscillator and ground, and capacitor C3, capacitor C4 and capacitor C5 are parallel to control chip Between voltage pin and ground, between resistance R1 connection and the clock input pin and crystal oscillator that control chip, the output of chip is controlled Pin connects driving circuit, and driving circuit connects LED light, the input pin of data acquisition circuit connection control chip.

Preferably, the driving circuit includes NPN triode Q1, resistance R2 and resistance R3, and the base stage of NPN triode Q1 connects The output pin of control chip is connect, the collector of NPN triode Q1 connects a voltage source, and the emitter of NPN triode Q1 is grounded, Be connected in resistance R2 control chip output pin and the base stage of NPN triode Q1 between, resistance R3 be serially connected with NPN triode Q1 with Between the voltage source.

Preferably, the data acquisition circuit includes photodiode D1.

Preferably, data acquisition circuit further includes resistance R4 and capacitor C6, and one end of resistance R4 connects photodiode D1 Cathode, the input pin of other end connection control chip, the plus earth of photodiode D1, one end of capacitor C6 connects electricity Hinder the other end of R7, other end ground connection.

Preferably, control chip is single-chip microcontroller.

Compared with prior art, the beneficial effects of the utility model are：

The utility model is by data acquisition circuit automatic collection intensity of illumination, so that control circuit is logical according to intensity of illumination Overdrive circuit automatically controls the closing of LED light and adjusts the brightness of LED light, more automates, and more energy saving and intelligence Energyization.

Detailed description of the invention

Fig. 1 is the function structure chart of the lamps intelligent control circuit of the utility model；

Fig. 2 is the circuit diagram of the utility model.

Specific embodiment

In the following, being described further in conjunction with attached drawing and specific embodiment to the utility model：

As depicted in figs. 1 and 2, the utility model provides a kind of lamps intelligent control circuit, including LED light, driving circuit, Control circuit and data acquisition circuit, the control circuit include one control a chip U1 and crystal oscillator Y1, further include capacitor C1 extremely Capacitor C5, resistance R1, capacitor C1 are connected between one end and ground of crystal oscillator Y1, and capacitor C2 is connected to the other end and ground of crystal oscillator Y1 Between, capacitor C3, capacitor C4 and capacitor C5 are parallel between the voltage pin 1 and ground of control chip U1, resistance R1 connection and control Between the clock input pin 2 and crystal oscillator Y1 of coremaking piece U1, the output pin 3 of control chip U1 connects driving circuit, driving electricity Road connects LED light, the input pin 4 of data acquisition circuit connection control chip U1.Controlling chip U1 is preferably single-chip microcontroller.

Driving circuit includes NPN triode Q1, resistance R2 and resistance R3, the base stage connection control chip of NPN triode Q1 The output pin 3 of U1, the collector of NPN triode Q1 connect a voltage source, the emitter ground connection of NPN triode Q1, resistance R2 In be connected to control chip U1 output pin 3 and the base stage of NPN triode Q1 between, be connected in resistance R3 NPN triode Q1 with Between the voltage source.

When work, the controlled chip U1 of crystal oscillator Y1 provides operating clock signals, and control chip U1 is exported by output pin One low level signal and the alternate pulse control signal of pulse-width signal, when control chip U1 exports high level signal, NPN tri- Pole pipe Q1 conducting, collector become low electric first, and supplies voltages are to LED light, when control sucker U1 exports low level signal When, NPN triode Q1 cut-off, LED light is extinguished.

Data acquisition circuit includes photodiode D1, resistance R4 and capacitor C6, and one end of resistance R4 connects photosensitive two pole The cathode of pipe D1, the input pin 4 of other end connection control chip U1, the plus earth of photodiode D1, the one of capacitor C6 The other end of end connection resistance R7, other end ground connection.

It will be apparent to those skilled in the art that can make various other according to the above description of the technical scheme and ideas Corresponding change and deformation, and all these changes and deformation all should belong to the protection of the utility model claims Within the scope of.