CN201184509Y

CN201184509Y - Microcomputer AC large power tricolor LED illumination energy-saving lamp

Info

Publication number: CN201184509Y
Application number: CNU2008200186477U
Authority: CN
Inventors: 杨书水
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-03-13
Filing date: 2008-03-13
Publication date: 2009-01-21
Anticipated expiration: 2018-03-13

Abstract

A microcomputer AC large-power tricolor LED illumination energy-saving lamp belongs to the field of electric illumination, and comprises a spiral lamp socket connector (1), a control circuit board (3), an LED light emitting device (7), a light emitting cover (8), a waterproof transparent cover (12), etc., wherein a housing (4) is fixed with the spiral lamp socket connector (1) as a whole; one end of a power line (2) is fixed in the spiral lamp socket connector (1), and the other end is connected with the control circuit board (3); the LED light emitting device (7) is arranged on a heat dissipation plate (6); the control circuit board (3) and the heat dissipation plate (6) are arranged in the housing (4) at an interval; and the waterproof transparent cover (12) is arranged at the bottom end of the housing (4). The LED light emitting device has remarkable power saving effect, and can save electric energy by 80% in comparison with an incandescent lamp under the same power consuming conditions and the same luminous efficiency condition. Additionally, the microcomputer AC large-power tricolor LED illumination energy-saving lamp has the advantages of high generality, convenient use, etc.

Description

Alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer

Technical field

Alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer belongs to the power lighting field.

Background technology

Current domestic and international power lighting lamp mainly contains: incandescent tengsten lamp, fluorescent lamp, the glimmering luminescent powder electricity-saving lamp of three primary colours, high-pressure sodium lamp, halogen tungsten lamp, sodium vapor lamp etc.Its common feature is to make main luminescent material with tungsten filament, and its shortcoming is that electric energy convert light efficient is low, and most of electric energy of will determining is converted to heat and distributes the consumption waste.The electric energy convert light efficient of incandescent tengsten lamp is less than 3%, high-pressure sodium lamp, halogen tungsten lamp, the electric energy convert light efficient of sodium vapor lamp is less than 5%, fluorescent lamp, the electric energy convert light efficient of the glimmering luminescent powder electricity-saving lamp of three primary colours be less than 10%, has 90～97 electric energy to be converted to heat and distribute and consume waste.Its another shortcoming is to use the life-span short, and be 3000 hours the service life of incandescent tengsten lamp, fluorescent lamp, and be 6000 hours the service life of the glimmering luminescent powder electricity-saving lamp of three primary colours.

In sum, the illuminating lamp that uses is still continuing traditional tungsten filament luminescent material and luminescence technology at present, causes electric energy convert light efficient low, most electric energy is converted to heat distributes consumption, wastes a large amount of electric power resources.Suddenly treat that new luminescent material and luminescence technology update, solve the difficult problem that power lighting wastes energy.In its field wide technology space and market prospects are arranged.

The utility model content

The technical problems to be solved in the utility model is: overcome the problem that prior art exists, provide and compare economize on electricity 80% under the equal light efficiency condition of a kind of its electric energy and white heat, compare under its service life and the equal power utilization environment of incandescent lamp, up to 33.3 times more than alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer.

The technical scheme that its technical problem that solves the utility model adopts is: this alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer, it is characterized in that: screw lamp base connector power line, control circuit board, shell, LED luminescent device electric power connection line, heat sink, the LED luminescent device, reflecting shade body, the ventilation for enclosures louvre, the inner chamber ventilating heat dissipating hole, temperature sensor, the waterproof translucent cover, shell and screw lamp base connector are fixed as one, power line one end is fixed in the screw lamp base connector, the other end links to each other with control circuit board, the LED luminescent device is installed on the heat sink, control circuit board, heat sink is installed in the enclosure at interval, reflecting shade body is installed in the heat sink lower end, the waterproof translucent cover is installed in the shell bottom, shell, be equipped with louvre on the heat sink, temperature sensor is installed in the back side of control circuit board.

Rectification circuit is set on the control circuit board, the PFC circuit of power factor correction, electric source filter circuit, microcontroller MCU power supply circuits, microcontroller MCU, LED luminance temperature testing circuit, the LED illuminating circuit, constant-current drive circuit, the loop current testing circuit, rectification circuit links to each other with electric source filter circuit by the PFC circuit of power factor correction, microcontroller MCU links to each other with constant-current drive circuit, electric source filter circuit is leaded up to microcontroller MCU power supply circuits and is linked to each other with microcontroller MCU, another road is by the LED illuminating circuit, constant-current drive circuit, the loop current testing circuit links to each other with microcontroller MCU, and LED luminance temperature testing circuit links to each other with microcontroller MCU.

Operation principle:

With the ac high-voltage rectification is direct current, directly drives low voltage electric field luminescent device LED luminous lighting by microcontroller MCU, adopts the PFC power factor correction technology, improve power duty cycle 70%, adopt reactive power compensation technology, LED luminescent device dump energy is returned electrical network, reuse.

The beneficial effects of the utility model are: it is remarkable that the LED luminescent device has power savings, with incandescent lamp under equal electricity consumption condition, compare economize on electricity 80% under the equal light efficiency condition.Highly versatile, easy to use: all components and parts all are installed in the lamp body main body cover, the entire combination hermetically-sealed construction.By the screw lamp base connector, be screwed in the incandescent socket seat of general alternating current, energising can be lighted illumination.Luminescent device is installed on the heat sink, and leave the heat radiation clearance space between the control circuit board, housing, inner chamber are equipped with ventilating heat dissipating hole, has good ventilation and heat condition, therefore stable and reliable for performance, reaching 100,000 hours service life, is 33.3 times of service life of incandescent lamp, is 16.7 times of energy-saving fluorescent lamp life-span.The chromium plating reflecting shade body, the optically focused reflecting brightness of raising LED luminescent device.It is the high-tech product that replaces the traditional lighting light fixture.Be the green new light sources of radiationless non-environmental-pollution, purposes and vast market prospect are widely arranged.Be to improve power consumption efficiency, the effective way of energy-conservation economize on electricity.

Description of drawings

Fig. 1 is the alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer structure chart;

Fig. 2 is the alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer schematic block circuit diagram;

Fig. 3 is the alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer circuit theory diagrams.

Among Fig. 1: 1 screw lamp base connector, 2 power lines, 3 control circuit boards, 4 shell 5LED luminescent device electric power connection lines, 6 heat sink 7LED luminescent devices, 8 reflecting shade body, 9 ventilation for enclosures louvres, 10 inner chamber ventilating heat dissipating holes, 11 temperature sensors, 12 waterproof translucent covers.

Among Fig. 3: U1 microcontroller MCU F1 fuse D1-D4 rectifier bridge C1-C7 electric capacity R1-R4 resistance Q1 igbt Q2 temperature sensor L1 reactor LED luminescent device DZ1 Zener diode D5-D7 diode.

Below in conjunction with accompanying drawing 1-3 alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer is done progressive explanation:

The specific embodiment

With reference to Fig. 1:

Alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer, by screw lamp base connector 1, power line 2, control circuit board 3, shell 4, LED luminescent device electric power connection line 5, heat sink 6, LED luminescent device 7, reflecting shade body 8, ventilation for enclosures louvre 9, inner chamber ventilating heat dissipating hole 10, temperature sensor 11, waterproof translucent cover 12 is formed, shell 4 is fixed as one with screw lamp base connector 1, power line 2 one ends are fixed in the screw lamp base connector 1, the other end links to each other with control circuit board 3, LED luminescent device 7 is installed on the heat sink 6, control circuit board 3, heat sink 6 is installed in the shell 4 at interval, reflecting shade body 8 is installed in heat sink 6 lower ends, waterproof translucent cover 12 is installed in shell 4 bottoms, shell 4, be equipped with louvre on the heat sink 6, temperature sensor 11 is installed in the back side of control circuit board 3.

The screw lamp base connector 1 of alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer is aimed at general incandescent socket seat, tighten and to insert High Level AC Voltage, through power line 2, connect the rectification circuit rectification on the control circuit board 3, after circuit of power factor correction PFC improves power duty cycle, through filter circuit filtering, become the required DC voltage of LED luminescent device by the step-down of microcontroller MCU gauge tap power supply, for LED luminescent device 7. provides operating voltage.By microcontroller MCU control constant-current driving LED luminescent device loop current.Detect the operating temperature of LED luminescent device by temperature sensor 11.Connect control circuit board 3 by LED luminescent device power line 5, get final product luminous lighting.Chromium plating reflecting shade body 8 is arranged, improve the optically focused reflecting brightness of luminescent device.Waterproof translucent cover 12 is arranged, and anti-sealing and dust enter lamp body.Ventilation for enclosures louvre 9 is arranged, and inner chamber ventilating heat dissipating hole 10 is formed good environment ventilation radiating condition with inner chamber, guarantees the normal illumination operating temperature.

With reference to Fig. 2:

With reference to Fig. 3:

Rectification circuit: comprised flow fuse F1, commutation diode D1～D4, the 220V power firestreak is crossed flow fuse through F1, connect the positive pole of diode D1 and the negative pole of diode D2, the 220V zero-power line connects the positive pole of diode D3 and the negative pole of diode D4, the positive pole output high direct voltage cathode power supply of diode D1 and diode D4, the negative pole output high direct voltage negative power supply of diode D2 and diode D3.Main road provides working power for temperature sensor and luminescent device LED, and bypass provides working power for microcontroller MCU.

PFC circuit of power factor correction: comprise switching diode D5～D7, charging capacitor C1～C2, charging capacitor C1 one end connects the positive pole of DC high-voltage power supply, main road connects the positive pole of diode D5, and bypass connects the negative pole of diode D7, the plus earth of diode D7, the negative pole main road of diode D5 connects the end of charging capacitor C2, bypass connects the positive pole of diode D6, and the negative pole of diode D6 connects the positive pole of DC high-voltage power supply, the other end ground connection of charging capacitor C2.The PFC circuit of power factor correction improves power duty cycle, reaches the effect of electricity-saving high efficiency.

Electric source filter circuit: comprise capacitor C 3, C4, an end of capacitor C 3 connects the positive pole of DC high-voltage power supply, and the other end connects the negative pole of DC high-voltage power supply, and an end of capacitor C 4 connects the positive pole of DC high-voltage power supply, and the other end connects the negative pole of DC high-voltage power supply.The low frequency of the filtering DC high-voltage power supply ripple of making an uproar.

Microcontroller MCU U1 adopts Dutch Philips LPC700-900 family chip.Or adopt the HT4 chip of the U.S. LM3S of LUMINARY company family chip, the ATTINY of U.S. ATTHEL company, Taiwan Ling Yang SPMC65, Taiwan Sheng Qun company.

Microcontroller MCU power supply circuits comprise resistance R 1, Zener diode DZ1, filter capacitor C5, microcontroller MCU U1, the end of current-limiting resistance R1 connects the positive pole of DC high-voltage power supply, and the other end connects the negative pole of Zener diode DZ1, the plus earth of Zener diode DZ1,8 pin of filter capacitor C5 one termination microcontroller MCU U1, other end ground connection.MCU provides working power for microcontroller.

LED luminescent device temperature sensing circuit comprises current-limiting resistance R2, temperature sensor Q2, filter capacitor C5, microcontroller MCU U1, the base stage of temperature sensor Q2 connects colelctor electrode, the end of current-limiting resistance R2 connects the contact of resistance R 1 and LED luminescent device, the other end of current-limiting resistance R2 connects the colelctor electrode of temperature sensor Q2 and the contact in parallel of filter capacitor C6, after the emitter stage of temperature sensor Q2 connects the other end and interface of filter capacitor C6, connect the 2 pin simulation AD conversion input pin of microcontroller MCU U1.Automatically control the temperature and the driving frequency of LED luminescent device by microcontroller MCU.

LED illuminating circuit and constant-current drive circuit comprise switching diode D8, the LED luminescent device, igbt Q1, microcontroller MCU U1, divider resistance R3, sampling resistor R4, after the negative pole of switching diode D8 connects the positive pole of LED luminescent device, the positive pole that connects DC high-voltage power supply, the positive pole of switching diode D8 connects the drain electrode of igbt Q1, the negative pole of LED luminescent device connects the input of reactor L1, the output of reactor L1 connects the drain electrode of igbt Q1, the source electrode of igbt Q1 connects the end of sampling resistor R4, the other end ground connection of sampling resistor R4, the 5 pin constant currents that the grid of igbt Q1 connects microcontroller MCU U1 drive output pin, divider resistance R3 one end connects the grid of igbt Q1, other end ground connection.

The loop current testing circuit comprises sampling resistor R4, filter capacitor C7, microcontroller MCU U1, the end main road of sampling resistor R4 connects the source electrode of igbt Q1, bypass connects the 7 pin loop currents sampling input pin of microcontroller MCU U1, filter capacitor C7 and sampling resistor R4 one end also connect 7 pin of microcontroller MCU U1, filter capacitor C7 and sampling resistor R4 other end ground connection in parallel.By the emitting led loop current of microcontroller MCU Based Intelligent Control.

The course of work:

Screw lamp base connector 1, aim at general incandescent socket seat, tighten and to insert High Level AC Voltage,, connect the high-voltage rectifier on the control circuit board 3 through high-voltage power-line 2, behind the high-voltage rectifying, through the PFC circuit of power factor correction, improve power duty cycle, through filter circuit filtering, become the required DC voltage of luminescent device LED by the step-down of microcontroller MCU gauge tap power supply, for the LED luminescent device provides operating voltage.Detect the operating temperature of luminescent device by microcontroller MCU.By microcontroller MCU control constant-current driving LED luminescent device loop current.Connect control circuit board 3 by LED luminescent device power line 5, connect under the accurate condition, get final product luminous lighting in debugging.

Claims

1, alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer, it is characterized in that: screw lamp base connector (1), power line (2), control circuit board (3), shell (4), LED luminescent device electric power connection line (5), heat sink (6), LED luminescent device (7), reflecting shade body (8), ventilation for enclosures louvre (9), inner chamber ventilating heat dissipating hole (10), temperature sensor (11), waterproof translucent cover (12), shell (4) is fixed as one with screw lamp base connector (1), power line (2) one ends are fixed in the screw lamp base connector (1), the other end links to each other with control circuit board (3), LED luminescent device (7) is installed on the heat sink (6), control circuit board (3), heat sink (6) is installed in the shell (4) at interval, reflecting shade body (8) is installed in heat sink (6) lower end, waterproof translucent cover (12) is installed in shell (4) bottom, shell (4), heat sink is equipped with louvre on (6), and temperature sensor (11) is installed in the back side of control circuit board (3).

2, alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer according to claim 1, it is characterized in that: control circuit board is provided with rectification circuit on (4), the PFC circuit of power factor correction, electric source filter circuit, microcontroller MCU power supply circuits, microcontroller MCU, LED luminance temperature testing circuit, the LED illuminating circuit, constant-current drive circuit, the loop current testing circuit, rectification circuit links to each other with electric source filter circuit by the PFC circuit of power factor correction, microcontroller MCU links to each other with constant-current drive circuit, electric source filter circuit is leaded up to microcontroller MCU power supply circuits and is linked to each other with microcontroller MCU, another road is by the LED illuminating circuit, constant-current drive circuit, the loop current testing circuit links to each other with microcontroller MCU, and LED luminance temperature testing circuit links to each other with microcontroller MCU.

3, alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer according to claim 2, it is characterized in that: rectification circuit: comprised flow fuse F1, commutation diode D1～D4, the 220V power firestreak is crossed flow fuse through F1, connect the positive pole of diode D1 and the negative pole of diode D2, the 220V zero-power line connects the positive pole of diode D3 and the negative pole of diode D4, the positive pole output high direct voltage cathode power supply of diode D1 and diode D4, the negative pole output high direct voltage negative power supply of diode D2 and diode D3.

4, alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer according to claim 2, it is characterized in that: the PFC circuit of power factor correction: comprise switching diode D5～D7, charging capacitor C1～C2, charging capacitor C1 one end connects the positive pole of DC high-voltage power supply, main road connects the positive pole of diode D5, bypass connects the negative pole of diode D7, the plus earth of diode D7, the negative pole main road of diode D5 connects the end of charging capacitor C2, bypass connects the positive pole of diode D6, the negative pole of diode D6 connects the positive pole of DC high-voltage power supply, the other end ground connection of charging capacitor C2.

5, alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer according to claim 2, it is characterized in that: electric source filter circuit: comprise capacitor C 3, C4, one end of capacitor C 3 connects the positive pole of DC high-voltage power supply, the other end connects the negative pole of DC high-voltage power supply, one end of capacitor C 4 connects the positive pole of DC high-voltage power supply, and the other end connects the negative pole of DC high-voltage power supply.

6, alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer according to claim 2, it is characterized in that: microcontroller MCU power supply circuits comprise resistance R 1, Zener diode DZ1, filter capacitor C5, microcontroller MCU U1, the end of current-limiting resistance R1 connects the positive pole of DC high-voltage power supply, the other end connects the negative pole of Zener diode DZ1, the plus earth of Zener diode DZ1,8 pin of filter capacitor C5 one termination microcontroller MCU U1, other end ground connection.

7, alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer according to claim 2, it is characterized in that: LED luminescent device temperature sensing circuit comprises current-limiting resistance R2, temperature sensor Q2, filter capacitor C5, microcontroller MCU U1, the base stage of temperature sensor Q2 connects colelctor electrode, the end of current-limiting resistance R2 connects the contact of resistance R 1 and LED luminescent device, the other end of current-limiting resistance R2 connects the colelctor electrode of temperature sensor Q2 and the contact in parallel of filter capacitor C6, after the emitter stage of temperature sensor Q2 connects the other end and interface of filter capacitor C6, connect the 2 pin simulation AD conversion input pin of microcontroller MCU U1.

8, alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer according to claim 2, it is characterized in that: LED illuminating circuit and constant-current drive circuit comprise switching diode D8, the LED luminescent device, igbt Q1, microcontroller MCU U1, divider resistance R3, sampling resistor R4, after the negative pole of switching diode D8 connects the positive pole of LED luminescent device, the positive pole that connects DC high-voltage power supply, the positive pole of switching diode D8 connects the drain electrode of igbt Q1, the negative pole of LED luminescent device connects the input of reactor L1, the output of reactor L1 connects the drain electrode of igbt Q1, the source electrode of igbt Q1 connects the end of sampling resistor R4, the other end ground connection of sampling resistor R4, the 5 pin constant currents that the grid of igbt Q1 connects microcontroller MCU U1 drive output pin, divider resistance R3 one end connects the grid of igbt Q1, other end ground connection.

9, alternating current large-power tricolor LED lighting energy-saving lamp of microcomputer according to claim 2, it is characterized in that: the loop current testing circuit comprises sampling resistor R4, filter capacitor C7, microcontroller MCU U1, the end main road of sampling resistor R4 connects the source electrode of igbt Q1, bypass connects the 7 pin loop currents sampling input pin of microcontroller MCU U1, filter capacitor C7 and sampling resistor R4 one end also connect 7 pin of microcontroller MCU U1, filter capacitor C7 and sampling resistor R4 other end ground connection in parallel.