CN208170265U - L ED flame lamp - Google Patents

Abstract

The utility model discloses an L ED flame lamp, which comprises a lampshade, the light source module, the base module, tube-shape radiating piece and control module group, the light source module includes tube-shape PCB circuit board and evenly sets up the L ED lamp pearl on PCB circuit board surface, the base module includes base and lamp holder, the control module group includes control chip and drive power supply, control chip is connected with drive power supply and PCB circuit board electricity respectively, drive power supply is connected with the lamp holder electricity, the front at the base is fixed to the one end of radiating piece, PCB circuit board suit is on the radiating piece, the last low-power drive circuit that is provided with of drive power supply, the radiating piece can absorb the most heat on the PCB circuit board, and discharge the heat through the through-hole of base, effectively improve the life of product, in addition, drive power supply is provided with low-power drive circuit, the circuit structure is simple, and is stable high.

Description

A kind of LED flame lamp

Technical field

The utility model relates to a kind of illuminator, especially a kind of LED flame lamp.

Background technique

Current LED flame lamp is more and more intelligent, and purposes is wide, and function is more, can illuminate, and 360 degree of energy shine, and can flash, It can control the darkness and color of light, but existing LED flame lamp heat dissipation effect is poor, leads to LED flame lamp service life It reduces, and inside needs biggish driving power LED light could be driven to operate, energy consumption is high.

Summary of the invention

For overcome the deficiencies in the prior art, the utility model provides that a kind of structure is simple, production cost is low, low energy consumption LED flame lamp.

Technical solution adopted by the utility model to solve its technical problems is：

A kind of LED flame lamp, including lampshade, light source module group, base mold group, tubular radiating piece and control mould group, the light Source mould group includes tubular PCB circuit board and the LED lamp bead that is uniformly arranged on the PCB circuit board surface, the base mold Group includes pedestal and lamp cap, and the lampshade fastens on the base, and the center of the pedestal is provided with through-hole, and the lamp cap is worn The through-hole is crossed, and is fixed on the back side of the pedestal, the control mould group includes control chip and driving power, the control Chip is electrically connected with the driving power and the PCB circuit board respectively, and the driving power is electrically connected with the lamp cap, described One end of radiating piece is fixed on the front of the pedestal, and the PCB circuit board is sleeved on the radiating piece, the driving power On be provided with low-power drive circuit.

The low-power drive circuit includes resistance R1, resistance R2, capacitor C1, capacitor C2, capacitor C3, capacitor C4, operation Amplifier U1, LED lamp bead and driving power, the anode of the driving power divide two-way, connect all the way with one end of the capacitor C1 It connects, another way connects the normal phase input end of the operational amplifier U1 by the resistance R1；The cathode of the driving power is divided to two Road, connects the other end of the capacitor C1 all the way, and another way is inputted by the positive that the capacitor C2 meets the operational amplifier U1 End；Node between a termination resistance R1 and capacitor C2 of the resistance R2, another termination driving power Cathode；The anti-phase input of the operational amplifier U1 terminates the output end of the operational amplifier U1；One end of the capacitor C3 It is connect with the output end of the operational amplifier U1, the other end is connect with the anode of the driving power；The one of the capacitor C4 Terminate the output end of the operational amplifier U1, the cathode of another termination driving power；The capacitor C3 and the capacitor Node ground connection between C4；The LED lamp bead is in parallel two-by-two, between the termination capacitor C3 and the anode of the driving power Node, the node between another termination capacitor C4 and the cathode of the driving power.

The lamp bead for red, orange, yellow and white four kinds of colors that the LED lamp bead is 2: 3: 2: 1 by quantitative proportion forms.

The utility model has the beneficial effects that：The radiating piece of the utility model can absorb the exhausted big portion in PCB circuit board Divide heat, and heat is discharged by the through-hole of pedestal, the service life of product is effectively improved, in addition, driving power is provided with Low-power drive circuit, circuit structure is simple, and stability is high, can be effectively reduced the power consumption of product, saves power supply.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the structural decomposition diagram of the utility model；

Fig. 2 is the utility model low-power drive circuit figure.

Specific embodiment

Referring to Fig.1, Fig. 2, a kind of LED flame lamp, including lampshade 1, light source module group, base mold group, tubular radiating piece 8 and control Molding group, the light source module group include tubular PCB circuit board 2 and the LED that is uniformly arranged on 2 surface of PCB circuit board Lamp bead 3, the base mold group include pedestal 4 and lamp cap 5, and the lampshade 1 is fastened on the pedestal 4, described in the present embodiment Lampshade 1 is made of flexible plastics, when assembly, only need to slightly exert oneself to squeeze lampshade 1, the lampshade 1 can be made to fasten It is simple in construction, easy to disassemble and assemble on the pedestal 4；The center of the pedestal 4 is provided with through-hole, and the lamp cap 5 passes through described logical Hole, and it is fixed on the back side of the pedestal 4, the control mould group includes control chip 6 and driving power 7, the control chip 6 It is electrically connected respectively with the driving power 7 and the PCB circuit board 2, the driving power 7 is electrically connected with the lamp cap 5, described One end of radiating piece 8 is fixed on the front of the pedestal 4, and the PCB circuit board 2 is sleeved on the radiating piece 8, specifically, The inner wall of the PCB circuit board 2 is close to the surface of the radiating piece 8, it can be ensured that LED lamp bead 3 at work, the radiating piece 8 can fully absorb the heat in PCB circuit board 2, and heat is discharged from the through-hole.

Low-power drive circuit is provided in the driving power 7, the low-power drive circuit includes resistance R1, resistance R2, capacitor C1, capacitor C2, capacitor C3, capacitor C4, operational amplifier U1, LED lamp bead 3 and driving power 7, the driving power 7 Anode divide two-way, connect all the way with one end of the capacitor C1, another way connects the operational amplifier by the resistance R1 The normal phase input end of U1；The cathode of the driving power 7 divides two-way, connects the other end of the capacitor C1 all the way, and another way passes through The capacitor C2 connects the normal phase input end of the operational amplifier U1；A termination resistance R1 of the resistance R2 and the electricity Hold the node between C2, the cathode of another termination driving power 7；Described in the anti-phase input termination of the operational amplifier U1 The output end of operational amplifier U1；One end of the capacitor C3 is connect with the output end of the operational amplifier U1, the other end with The anode connection of the driving power 7；The output end of a termination operational amplifier U1 of the capacitor C4, another termination institute State the cathode of driving power 7；Node ground connection between the capacitor C3 and the capacitor C4；The LED lamp bead 3 is in parallel two-by-two, Node between the one termination capacitor C3 and the anode of the driving power 7, another termination capacitor C4 and the driving Node between the cathode of power supply 7.The capacitor C1 can filter out the ripple of the driving power, improve the stability of circuit； The resistance R1 is delivered to the normal phase input end of the operational amplifier U1 again after capable of reducing input voltage, when the driving When the voltage that power supply 7 inputs is excessive, the resistance R2 can divide equally the voltage on the resistance R1, effectively improve the stabilization of circuit Property；The effect of the capacitor C2 is the normal phase input end for keeping the operational amplifier U1 and the cathode of the driving power 7 Voltage difference；The capacitor C3 and capacitor C4 reduces electric energy loss, reduces power for storing electric energy.

In the present embodiment, the lamp for red, orange, yellow and white four kinds of colors that the LED lamp bead 3 is 2: 3: 2: 1 by quantitative proportion Pearl composition, it is ensured that shining for flame lamp is more life-like, closer to the flame of reality, effectively improves the ornamental value of product.

Above embodiment cannot limit the protection scope of the invention, and the personnel of professional skill field are not departing from In the case where the invention general idea, the impartial modification and variation done still fall within the range that the invention is covered Within.

Claims (3)

1. a kind of LED flame lamp, including lampshade（1）, light source module group, base mold group and control mould group, the light source module group includes Tubular PCB circuit board（2）And it is uniformly arranged on the PCB circuit board（2）LED lamp bead on surface（3）, the base mold group Including pedestal（4）And lamp cap（5）, the lampshade（1）It is fastened on the pedestal（4）On, the pedestal（4）Center be provided with it is logical Hole, the lamp cap（5）Across the through-hole, and it is fixed on the pedestal（4）The back side, the control mould group include control chip （6）And driving power（7）, the control chip（6）Respectively with the driving power（7）With the PCB circuit board（2）It is electrically connected It connects, the driving power（7）With the lamp cap（5）Electrical connection, it is characterised in that it further includes a tubular radiating piece（8）, described Radiating piece（8）One end be fixed on the pedestal（4）Front, the PCB circuit board（2）It is sleeved on the radiating piece（8）On, The driving power（7）On be provided with low-power drive circuit.

2. LED flame lamp according to claim 1, it is characterised in that the low-power drive circuit includes resistance R1, electricity Hinder R2, capacitor C1, capacitor C2, capacitor C3, capacitor C4, operational amplifier U1, LED lamp bead（3）And driving power（7）, the drive Dynamic power supply（7）Anode divide two-way, connect all the way with one end of the capacitor C1, another way connects the fortune by the resistance R1 Calculate the normal phase input end of amplifier U1；The driving power（7）Cathode divide two-way, connect the other end of the capacitor C1 all the way, Another way connects the normal phase input end of the operational amplifier U1 by the capacitor C2；The termination resistance of the resistance R2 Node between R1 and the capacitor C2, another termination driving power（7）Cathode；The reverse phase of the operational amplifier U1 Input terminates the output end of the operational amplifier U1；The output end of one end of the capacitor C3 and the operational amplifier U1 connect It connects, the other end and the driving power（7）Anode connection；The output of a termination operational amplifier U1 of the capacitor C4 End, another termination driving power（7）Cathode；Node ground connection between the capacitor C3 and the capacitor C4；The LED Lamp bead（3）It is in parallel two-by-two, a termination capacitor C3 and the driving power（7）Anode between node, another termination institute State capacitor C4 and the driving power（7）Cathode between node.

3. LED flame lamp according to claim 1, it is characterised in that the LED lamp bead（3）It is 2: 3: 2 by quantitative proportion: The lamp bead of 1 red, orange, yellow and white four kinds of colors forms.