CN203467041U

CN203467041U - Novel LED projection strobe lamp

Info

Publication number: CN203467041U
Application number: CN201320606076.XU
Authority: CN
Inventors: 王春花
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-09-29
Filing date: 2013-09-29
Publication date: 2014-03-05
Anticipated expiration: 2023-09-29

Abstract

The utility model discloses an LED projection strobe lamp comprising a projector lamp body and an LED light source. The projector lamp body is internally provided with a one-chip microcomputer, a sound control module and a constant current drive circuit. The sound control module comprises a sound pickup, a coupling capacitor and a direct-coupled amplification circuit. The sound pickup receives an external audio signal and converts the collected audio signal into an electrical signal, wherein the electrical signal is coupled to the direct-coupled amplification circuit for signal amplification through the coupling capacitor. The output terminal of the sound control module is connected with the signal input terminal of the one-chip microcomputer. The signal output terminal of the one-chip microcomputer is connected with the input terminal of the constant current drive circuit. The output terminal of the constant current drive circuit is in electrical connection with the LED light source. The sound control module transmits the amplified signal to the one-chip microcomputer, and after the one-chip microcomputer carries out intelligent processing on the received signal, the one-chip microcomputer outputs corresponding PWM signals to the constant current drive circuit, so that the brightness and flicker frequency of the LED light source can be automatically adjusted based on the change of the music rhythm or sound frequency.

Description

New LED light projector stroboscopic lamp

Technical field

The utility model relates to stroboscopic lamp field, particularly a kind of New LED light projector stroboscopic lamp of Full-automatic sound-controlled.

Background technology

Stroboscopic lamp is a kind ofly can or according to external trigger frequency, control the light fixture of flicker frequency according to the frequency of setting, there is good decorative effect and warning performance, stroboscopic lamp for places such as stage, bar, KTV is generally light projector stroboscopic lamp, it can change according to the pattern of inner setting the flicker frequency of light, thereby builds cheerful and light-hearted, passion, dynamic atmosphere.But existing decoration can only be according to default pattern with light projector stroboscopic lamp, flicker frequency and the brightness of the change light of machinery, and can not realize according to the tempo variation of music the variation of stroboscopic lamp light.

Therefore, how designing a kind of intelligent voice control stroboscopic lamp that can flash according to sound frequency is technical problem urgently to be resolved hurrily in the industry.

Utility model content

Main purpose of the present utility model is to provide a kind of New LED light projector stroboscopic lamp, and the flicker frequency and the brightness that are intended to realize stroboscopic lamp can regulate automatically according to sound frequency.

The utility model proposes a kind of New LED light projector stroboscopic lamp, comprise light projector lamp body, be arranged on LED light source and beam condensing unit in described light projector lamp body, in described light projector lamp body, be also provided with single-chip microcomputer, acoustic control module and constant-current drive circuit, described acoustic control module comprises the pick-up for signals collecting, coupling capacitance and direct-coupling amplifying circuit, the output of described acoustic control module is connected with the signal input part of described single-chip microcomputer, the signal output part of described single-chip microcomputer is connected with the input of described constant-current drive circuit, the output of described constant-current drive circuit is electrically connected to described LED light source.

Preferably, described acoustic control module comprises that one for regulating the adjustable resistance of sound controling sensitivity, and described adjustable resistance is connected with described pick-up, is provided with for controlling the adjustment of sensitivity knob of described adjustable resistance in the outside wall surface of described light projector lamp body.

Preferably, described pick-up is arranged in the outside wall surface of described light projector lamp body.

Preferably, described single-chip microcomputer, acoustic control module and constant-current drive circuit are arranged in an electrical appliance kit, and described electrical appliance kit is fixed in described light projector lamp body.

Preferably, described LED light source is high power LED integrated light source, and the power of described LED light source is greater than/equals 10W.

In the light projector lamp body of New LED light projector stroboscopic lamp of the present utility model, be provided with single-chip microcomputer, acoustic control module and constant-current drive circuit, acoustic control module comprises pick-up, coupling capacitance and the direct-coupling amplifying circuit for signals collecting, pick-up receives external audio signal, and the audio signal collecting is converted to the signal of telecommunication, the signal of telecommunication is coupled to direct-coupling amplifying circuit through coupling capacitance and carries out signal amplification, the output of acoustic control module is connected with the signal input part of single-chip microcomputer, the signal output part of single-chip microcomputer is connected with the input of constant-current drive circuit, the output of constant-current drive circuit is electrically connected to LED light source, acoustic control module sends amplifying signal to single-chip microcomputer, single-chip microcomputer carries out the signal of reception after Intelligent treatment, constant-current drive circuit is exported to corresponding pwm signal, thereby control the operating state of LED light source, realization regulates luminosity and the flicker frequency of LED light source automatically according to the variation of music rhythm or sound frequency, to reach better decorative effect and atmosphere, play up, richer innervation.

Accompanying drawing explanation

Fig. 1 is the fitting structure schematic diagram of an embodiment of New LED light projector stroboscopic lamp of the present utility model;

Fig. 2 is the circuit block diagram of an embodiment of New LED light projector stroboscopic lamp of the present utility model.

The realization of the utility model object, functional characteristics and advantage, in connection with embodiment, are described further with reference to accompanying drawing.

Embodiment

Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.

See figures.1.and.2, one embodiment of New LED light projector stroboscopic lamp of the present utility model is proposed, comprise support 101, light projector lamp body 10, be arranged on LED light source 20 and beam condensing unit in light projector lamp body 10, the both sides of support 101 and light projector lamp body 10 are rotatably connected fixing, for supporting light projector lamp body 10.Printing opacity lamp body 10 is aluminum alloy materials die cast, has heat conduction, thermolysis, at the bottom even of printing opacity lamp body 10, is distributed with some integrated fin 100, for accelerating heat radiation.LED light source 20 is high power LED integrated light source, the power of LED light source 20 is greater than/equals 10W, have that volume is large, brightness advantages of higher, LED light source 20 is fixed on the bottom surface in light projector lamp body 10 by viscose glue, fully contact with light projector lamp body 10, the heat that light projector lamp body 10 can produce LED light source 20 fast conducts, thereby solves the heat dissipation problem of LED light source 20.The utility model adopts high-power LED light source 20, and it is compared and have with general lighting light source:

1, the low feature of reliability and durability, maintenance cost, the life-span is 50000h, and 24h lights available 7 years continuously, and than long 100 times of ordinary incandescent lamp bubble, and ordinary light source can damage because of overcurrent, overvoltage, need frequently change;

2, luminous efficiency high, consume the few feature of electric energy, the spectrum of great power LED almost all concentrates on visible light frequency band, its luminous efficiency can reach 80%-90%, and the incandescent lamp power consumption of the more equal brightness of LED that light efficiency is 75lm/W reduces approximately 80%, and great power LED is than electricity-saving lamp also energy-conservation 1/4; And LED light source 20 do not need colour filter just can directly launch the colors such as red, green, blue, without colour filter loss, electro-optical efficiency is high.

3, good, the bright in luster abundant feature of monochromaticjty, color saturation can reach more than 90%, makes light more gorgeous.

4, the feature of environmental protection, does not have the bazardous waste of mercury vapor lamp, reduces the pollution of discarded object to environment, and LED, containing the part of infrared light and ultraviolet light, does not have radiation pollution, and DC driven, there is no stroboscopic, is the environmental protection light source of vision protection; And in use energy consumption is low, harmless to storage battery.

In light projector lamp body 10, be also provided with single-chip microcomputer 40, acoustic control module 30 and constant-current drive circuit 200.Acoustic control module 30 comprises pick-up 300, coupling capacitance 302 and the direct-coupling amplifying circuit 303 for signals collecting, pick-up 300 is arranged in the outside wall surface of light projector lamp body 10, direct-coupling amplifying circuit 303 is the two poles of the earth direct-coupling amplifying circuit 303, by two triodes, formed, pick-up 300 is connected with coupling capacitance 302, and coupling capacitance 302 is connected with direct-coupling amplifying circuit 303; When having sound to enter pick-up 300, pick-up 300 receives external audio signal, and the audio signal collecting is converted to the signal of telecommunication, and the signal of telecommunication is coupled to direct-coupling amplifying circuit 303 through coupling capacitance 302 and carries out signal amplification, and the signal of telecommunication is exported.Pick-up 300 can be according to the signal of telecommunication of the large and small output respective strengths of audio frequency, and as larger in the audio frequency entering in pick-up 300, the electrical signal intensity of pick-up 300 outputs just strengthens, and the electrical signal intensity of final output just strengthens; The audio frequency entering in pick-up 300 is less, and the electrical signal intensity of pick-up 300 outputs just reduces, and the electrical signal intensity of final output just reduces; When absence of audio enters pick-up 300, pick-up 300 no signal outputs.

The output of acoustic control module 30 is connected with the signal input part of single-chip microcomputer 40, the signal output part of single-chip microcomputer 40 is connected with the input of constant-current drive circuit 200, the output of constant-current drive circuit 200 is electrically connected to LED light source 20, acoustic control module 30 sends the signal of telecommunication after amplifying to single-chip microcomputer 40, single-chip microcomputer 40 carries out the signal of telecommunication receiving after Intelligent treatment, and according to the intensity of the signal of telecommunication receiving, to pwm signal corresponding to constant-current drive circuit 200 output, by constant-current drive circuit 200, control again the operating state of LED light source 20, thereby the luminosity and the flicker frequency that realize LED light source 20 are followed the variation of music rhythm or sound frequency and change, when outside sound can rhythmical sending, make the LED light source 20 can rhythmical flashing, to reach better decorative effect and atmosphere, play up richer innervation.

Acoustic control module 30 also comprises that one for regulating the adjustable resistance of sound controling sensitivity, and adjustable resistance is connected with pick-up 300, and while increasing adjustable resistance resistance, pick-up 300 receives the sensitivity of sound, and stroboscopic speed slows down; While reducing adjustable resistance resistance, the sensitivity that pick-up 300 receives sound raises, and stroboscopic speed is accelerated.In the outside wall surface of light projector lamp body 10, be provided with for controlling the adjustment of sensitivity knob 301 of adjustable resistance, can change the sensitivity of 30 pairs of sound of acoustic control module by the resistance of suitable adjusting adjustable resistance, thereby realize the adjusting to LED light source 20 stroboscopic speed.

Single-chip microcomputer 40, acoustic control module 30 and constant-current drive circuit 200 are installed in an electrical appliance kit, and electrical appliance kit is fixed in light projector lamp body 10, waterproof, are beneficial to protection single-chip microcomputer 40, acoustic control module 30 and constant-current drive circuit 200.

The foregoing is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure transformation that utilizes the utility model specification and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present utility model.

Claims

1. a New LED light projector stroboscopic lamp, comprise light projector lamp body, be arranged on LED light source and beam condensing unit in described light projector lamp body, it is characterized in that, in described light projector lamp body, be also provided with single-chip microcomputer, acoustic control module and constant-current drive circuit, described acoustic control module comprises the pick-up for signals collecting, coupling capacitance and direct-coupling amplifying circuit, the output of described acoustic control module is connected with the signal input part of described single-chip microcomputer, the signal output part of described single-chip microcomputer is connected with the input of described constant-current drive circuit, the output of described constant-current drive circuit is electrically connected to described LED light source.

2. New LED light projector stroboscopic lamp according to claim 1, it is characterized in that, described acoustic control module comprises that one for regulating the adjustable resistance of sound controling sensitivity, described adjustable resistance is connected with described pick-up, is provided with for controlling the adjustment of sensitivity knob of described adjustable resistance in the outside wall surface of described light projector lamp body.

3. New LED light projector stroboscopic lamp according to claim 1 and 2, is characterized in that, described pick-up is arranged in the outside wall surface of described light projector lamp body.

4. New LED light projector stroboscopic lamp according to claim 3, is characterized in that, described single-chip microcomputer, acoustic control module and constant-current drive circuit are arranged in an electrical appliance kit, and described electrical appliance kit is fixed in described light projector lamp body.

5. New LED light projector stroboscopic lamp according to claim 1, is characterized in that, described LED light source is high power LED integrated light source, and the power of described LED light source is greater than/equals 10W.