CN204836750U - Park amusement human sensing in makeup room LED lamp of adjusting luminance that flows - Google Patents

Abstract

The utility model relates to an electric light source technique specifically is a park amusement human sensing in makeup room LED lamp of adjusting luminance that flows. Including lamps and lanterns, the lithium cell, the steady voltage chip, human body sensor, light -off delay circuit, the normally open contact of the rela, transfer optical pulse generator, the pulse PWM high power drive chip of adjusting luminance, emitting diode LED, wherein, human body sensor output meets light -off delay circuit, light -off delay circuit succeeds electrical apparatus, lithium cell E connects relay contact points one end through switch S, the input of another termination steady voltage chip contacts, the optical pulse generator power end is transferred to steady voltage chip output termination, it makes and to hold to transfer optical pulse generator pulse output termination pulse PWM to adjust luminance high power drive chip, pulse PWM adjusts luminance high power drive chip output and meets LED, and place lamps and lanterns in. The utility model is suitable for an illumination of mobile makeup room, it is bright that the people advances the lamp, and the people goes out the lamp and puts out, and the power saving saves time.

Description

Fun parks flowing dressing room human sensing dimming LED lamp

Technical field

The utility model relates to electric light source technology, specifically a kind of fun parks flowing dressing room human sensing dimming LED lamp.

Background technology

Fun parks flowing dressing room lacks suitable lighting and affects cosmetic, and incandescent lamp, fluorescent lamp operation voltage are high, power consumption is inapplicable greatly.

Summary of the invention

It is bright at dressing room illuminating lamp that the purpose of this utility model is to provide fun parks people, and people leaves away a kind of fun parks flowing dressing room human sensing dimming LED lamp of automatically turning off the light after the of short duration time delay of dressing room.

Technical solution of the present utility model: comprise light fixture, lithium battery, voltage stabilizing chip, human body sensor, light-off delay circuit, relay, dimmer pulse generator, pulse PWM light modulation high power driving chip, LED;

Wherein, dimmer pulse generator by time base chip IC ₂, resistance R ₁, R ₂, potentiometer RP ₁, electric capacity C ₁, C ₂composition, resistance R ₁, potentiometer RP ₁, resistance R ₂, electric capacity C ₁connect successively, resistance R ₁base chip IC when connecing ₂power end, potentiometer RP ₁, resistance R ₂base chip IC when contact connects ₂dIS end, potentiometer RP ₁, electric capacity C ₁base chip IC when contact connects ₂comparator input terminal, electric capacity C ₁, C ₂ground connection, dimmer pulse generator exports and connects pulse PWM light modulation high power driving chip Enable Pin, regulator potentiometer RP ₁change pulse frequency and duty ratio, cause LED average current to change and play light modulation effect;

Human body sensor exports and connects light-off delay circuit, light-off delay circuit exports contact relay, lithium battery E through one end, switch S contact relay contact, human body sensor power end and light-off delay circuit power end, the input of another termination voltage stabilizing chip of relay contact and pulse PWM light modulation high power driving chip power end, voltage stabilizing chip output connects dimmer pulse generator power end, dimmer pulse generator pulse output end meets pulse PWM light modulation high power driving chip Enable Pin CE, and pulse PWM light modulation high power driving chip output LX is through inductance L ₁shunt capacitance C ₇with LED anode, the diode D of pulse PWM light modulation high power driving chip output LX also earth ₁, LED negative electrode meets electric capacity C ₇with sampling resistor R ₃, connect pulse PWM light modulation high power driving chip error simultaneously and amplify FB end, the GND of voltage stabilizing chip, dimmer pulse generator, pulse PWM light modulation high power driving chip holds ground connection, and LED is placed in light fixture;

Light-off delay circuit by time base chip IC ₄, resistance R ₇, potentiometer RP ₂, electric capacity C ₈the timing of composition monostable flipflop, human body sensor exports and connects base chip IC when triode VT triggers ₄input, time base chip IC ₄output contact relay.

The utility model produces useful good effect: solve the illumination of fun parks flowing at night dressing room automatic switch, people is bright at dressing room lamp, and people walks out automatic distinguishing after of short duration time delay, and power saving saves time.Regulator potentiometer RP ₁stepless dimming LED, regulator potentiometer RP ₂delayed extinguishing, easy to use.

Accompanying drawing explanation

Fig. 1 the utility model theory diagram

Fig. 2 fun parks flowing dressing room human sensing dimming LED lamp circuit

Embodiment

With reference to Fig. 1, Fig. 2, the utility model embodiment and embodiment: comprise light fixture, lithium battery E4, voltage stabilizing chip 5, human body sensor 1, light-off delay circuit 2, relay K 3, dimmer pulse generator 6, pulse PWM light modulation high power driving chip 7, LED 8;

Wherein, dimmer pulse generator 6 by time base chip IC ₂, resistance R ₁, R ₂, potentiometer RP ₁, electric capacity C ₁, C ₂composition, resistance R ₁, potentiometer RP ₁, resistance R ₂, electric capacity C ₁connect successively, resistance R ₁base chip IC when connecing ₂power end, potentiometer RP ₁, resistance R ₂base chip IC when contact connects ₂dIS end, potentiometer RP ₁, electric capacity C ₁base chip IC when contact connects ₂comparator input terminal, electric capacity C ₁, C ₂ground connection, dimmer pulse generator 6 exports and connects pulse PWM light modulation high power driving chip 7 Enable Pin, regulator potentiometer RP ₁change pulse frequency and duty ratio, the change of LED average current reaches light modulation;

Human body sensor 1 exports and connects light-off delay circuit 2, light-off delay circuit 2 exports contact relay K3, lithium battery E4 is through K-1 one end, switch S contact relay contact, human body sensor 1 power end and light-off delay circuit 2 power end, the input of another termination voltage stabilizing chip 5 of relay contact K-1 and pulse PWM light modulation high power driving chip 7 power end, voltage stabilizing chip 5 exports termination dimmer pulse generator 6 power end, dimmer pulse generator 6 pulse output end meets pulse PWM light modulation high power driving chip 7 Enable Pin CE, pulse PWM light modulation high power driving chip 7 output LX is through inductance L ₁shunt capacitance C ₇with LED 8 anode, the diode D of pulse PWM light modulation high power driving chip 7 output LX also earth ₁, LED 8 negative electrode meets electric capacity C ₇with sampling resistor R ₃, connect pulse PWM light modulation high power driving chip 7 error simultaneously and amplify FB end, the GND of voltage stabilizing chip 5, dimmer pulse generator 6, pulse PWM light modulation high power driving chip 7 holds ground connection, and LED 8 is placed in light fixture.

Embodiment sensor model number AMNI, built-in window optical filtering, senser, amplifier, comparator, output Shaping circuit, TO-5 encapsulates, and the bodily form is small and exquisite easy for installation, detecting distance 5 meters, horizontal angle 100 °, vertical angle 82 °.Dimmer pulse generator IC ₂, light-off delay circuit IC ₄model 555, voltage stabilizing chip model 7806, pulse PWM light modulation high power driving chip model PT4105, driving power 3W dimming LED lamp.

People, at dressing room sensor output voltage, triggers IC through triode VT ₄set, relay K adhesive, contact K-1 switches on power, and voltage stabilizing chip makes dimmer pulse generator, pulse PWM light modulation high power driving chip driving LED is lighted, light-off delay circuit supply voltage V _dDthrough resistance R ₇, potentiometer RP ₂to electric capacity C ₈charging, people walks out dressing room electric capacity C ₈electric discharge, IC ₄upset, contact K-1 discharges, and dimmer pulse generator, pulse PWM light modulation high power driving chip have a power failure, and LED extinguishes.Lithium battery configuration charger, can charge in time.

Claims (1)

1. a fun parks flowing dressing room human sensing dimming LED lamp, comprise light fixture, it is characterized in that: also comprise lithium battery, voltage stabilizing chip, human body sensor, light-off delay circuit, relay, dimmer pulse generator, pulse PWM light modulation high power driving chip, LED;

Wherein, dimmer pulse generator by time base chip IC ₂, resistance R ₁, R ₂, potentiometer RP ₁, electric capacity C ₁, C ₂composition, resistance R ₁, potentiometer RP ₁, resistance R ₂, electric capacity C ₁connect successively, resistance R ₁base chip IC when connecing ₂power end, potentiometer RP ₁, resistance R ₂base chip IC when contact connects ₂dIS end, potentiometer RP ₁, electric capacity C ₁base chip IC when contact connects ₂comparator input terminal, electric capacity C ₁, C ₂ground connection, dimmer pulse generator exports and connects pulse PWM light modulation high power driving chip Enable Pin, regulator potentiometer RP ₁change pulse frequency and duty ratio, cause LED average current to change and play light modulation effect;

Human body sensor exports and connects light-off delay circuit, light-off delay circuit exports contact relay, lithium battery E through one end, switch S contact relay contact, human body sensor power end and light-off delay circuit power end, the input of another termination voltage stabilizing chip of relay contact and pulse PWM light modulation high power driving chip power end, voltage stabilizing chip output connects dimmer pulse generator power end, dimmer pulse generator pulse output end meets pulse PWM light modulation high power driving chip Enable Pin CE, and pulse PWM light modulation high power driving chip output LX is through inductance L ₁shunt capacitance C ₇with LED anode, the diode D of pulse PWM light modulation high power driving chip output LX also earth ₁, LED negative electrode meets electric capacity C ₇with sampling resistor R ₃, connect pulse PWM light modulation high power driving chip error simultaneously and amplify FB end, the GND of voltage stabilizing chip, dimmer pulse generator, pulse PWM light modulation high power driving chip holds ground connection, and LED is placed in light fixture;

Light-off delay circuit by time base chip IC ₄, resistance R ₇, potentiometer RP ₂, electric capacity C ₈the timing of composition monostable flipflop, human body sensor exports and connects base chip IC when triode VT triggers ₄input, time base chip IC ₄output contact relay.