CN209991222U

CN209991222U - LED lighting circuit and LED lighting lamp adopting same

Info

Publication number: CN209991222U
Application number: CN201920580679.4U
Authority: CN
Inventors: 廖汉源
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-04-25
Filing date: 2019-04-25
Publication date: 2020-01-24
Anticipated expiration: 2029-04-25

Abstract

The utility model provides a LED lighting circuit and adopt LED lamps and lanterns of this circuit. The LED lighting circuit comprises a patch bridge stack and a plurality of LED lamp beads and a resistor which are connected in series behind the patch bridge stack, wherein the rated voltage of the LED lamp beads is 3.2-3.4V, and the total working voltage of the resistor and the LED lamp beads is 220-280V. The utility model provides a LED illumination lamps and lanterns, includes the lamp holder, installs the circuit board on the lamp holder, and the welding has many LED and resistance on the circuit board, still be connected with the parcel on the lamp holder the transparent cover of circuit board, on the circuit board the utility model discloses above-mentioned circuit design. The utility model discloses do not need the power, only adopt the paster bridge rectifier to turn into 220V commercial power alternating current 220V direct current, adopt the resistance to restrain the surge simultaneously, the total operating voltage of resistance and LED lamp pearl is 220V to 280V, connects the 220V commercial power and can use, and the circuit is simple, and is small, low cost.

Description

LED lighting circuit and LED lighting lamp adopting same

Technical Field

The utility model relates to an illumination lamps and lanterns especially relate to a simple small low cost's of circuit LED illumination lamps and lanterns.

Background

The rated voltage of a single LED is 3.2-3.4V of direct current, the single LED cannot be directly connected with 220V of alternating current, the voltage volt-ampere characteristic of the LED is nonlinear, surge current can be generated due to slight fluctuation of voltage, and LED lamp beads are easy to burn. The existing LED lighting lamp generally needs to be provided with an LED power supply for voltage reduction, rectification and constant current, and is provided with a heat dissipation device with the same large size, so that the heat dissipation device and the power supply occupy more than 50% of the cost of the LED lamp, the LED lamp is complex in circuit, large in size and high in cost, and the application range of an LED with low cost is greatly limited.

Disclosure of Invention

In order to overcome the defects of the prior art, the utility model provides a LED lighting lamp.

The utility model provides a technical means that its technical problem adopted is: the LED lighting circuit comprises a patch bridge stack and a plurality of LED lamp beads and a resistor which are connected in series behind the patch bridge stack, wherein the rated voltage of the LED lamp beads is 3.2-3.4V, and the total working voltage of the resistor and the LED lamp beads is 220-280V.

The utility model provides a LED illumination lamp, includes the lamp holder, installs the circuit board on the lamp holder, and the welding has many LED and resistance on the circuit board, still be connected with the parcel on the lamp holder the transparent cover of circuit board, it has the paster bridge heap still to weld on the circuit board, many LED lamp pearls and resistance with the paster bridge heap is established ties, LED lamp pearl rated voltage is 3.2 to 3.4V, and the total operating voltage of resistance and LED lamp pearl is 220V to 280V.

The utility model has the advantages that: because the utility model discloses only including behind paster bridge rectifier, the paster bridge rectifier series connection have many LED lamp pearls and resistance, LED lamp pearl rated voltage is 3.2 to 3.4V, suppresses the surge with the electricity simultaneously, and the total operating voltage of resistance and LED lamp pearl is 220V to 280V. The utility model discloses do not need the power, only adopt the paster bridge rectifier to turn into the direct current with commercial power alternating current, the total operating voltage of resistance and LED lamp pearl is 220V to 280V, can the 220V commercial power of lug connection use, the circuit is simple, and is small, low cost.

Drawings

FIG. 1 is a diagram of a circuit board structure according to the present invention;

FIG. 2 is an equivalent circuit diagram of FIG. 1;

FIG. 3 is an assembly view of the lighting fixture of the present invention;

fig. 4 is a view of the outline structure of the lighting fixture of the present invention.

Detailed Description

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

Referring to fig. 1 and 2, an LED lighting circuit. The utility model discloses including aluminium base board 11 on the circuit board 1, the printing has circuit 12 on aluminium base board 11, and the welding has LED2, resistance 3 and paster bridge rectifier 4 on the circuit 12. The input end of the patch bridge stack 4 is connected with 220V alternating current, and the output end of the patch bridge stack 4 is connected with the LED2 and the resistor 3 in series. The rated voltage of the LED lamp bead is 3.2-3.4V, and the total working voltage of the resistor and the LED lamp bead is 220-280V.

Referring to fig. 1, 3 and 4, an LED lighting fixture. Circuit board 1 includes the rectangle portion 1A and the circular portion 1B of body coupling, all weld on rectangle portion 1A and the circular portion 1B has LED2, and rectangle portion 1A curls the side 101 that forms hollow cylindrical luminous body 10, and circular portion 1B bends the back and forms cylindrical luminous body 10's top surface 102, and LED2 distributes in the outside of luminous body 10 side 101 and top surface 102. The luminous body 10 is installed on the lamp holder 6, the lamp holder 6 is further provided with a transparent lampshade 5 wrapping the luminous body 10, and the lamp holder 6 can be led out of positive and negative leads to be connected with an external 220V commercial power and the luminous body 10. Or the lamp holder 6 is directly provided with positive and negative contacts connected with the circuit board, and then the positive and negative contacts are connected with external 220V commercial power.

Referring to fig. 3, the top surface 102 of the light emitting body 10 is provided with a first heat dissipation hole 103, and the top surface 51 of the transparent lampshade 5 is provided with a second heat dissipation hole 511 at a position corresponding to the position, so that heat generated when electronic components such as LEDs, resistors, chip bridge stacks and the like work can be dissipated through the hollow light emitting body 10 and the first and second heat dissipation holes 103 and 51 without additionally arranging a heat sink.

Because the utility model discloses only including series connection have many LED lamp pearls and resistance behind piece bridge rectifier, the paster bridge rectifier, LED lamp pearl rated voltage is 3.2 to 3.4V, and the total operating voltage of resistance and LED lamp pearl is 220V to 280V. The utility model discloses do not need special power, only adopt the paster bridge heap to turn into the direct current with commercial power alternating current, suppress the surge with the electricity simultaneously, the total operating voltage of resistance and LED lamp pearl is 220V to 280V, and the 220V commercial power is connected to lamps and lanterns can use, and the circuit is simple, and is small, low cost.

The description of the embodiments is only the preferred embodiments of the present invention, and does not represent the limitation of the protection content of the present invention, and any technical solution that can be obtained by normal reasoning of the ordinary skilled person in the spirit of the present invention is the protection scope of the present invention.

Claims

1. An LED lighting circuit, characterized by: the LED lamp comprises a patch bridge stack, wherein a plurality of LED lamp beads and a resistor are connected behind the patch bridge stack in series, the rated voltage of the LED lamp beads is 3.2-3.4V, and the total working voltage of the resistor and the LED lamp beads is 220-280V.

2. The utility model provides a LED illumination lamp, includes the lamp holder, installs the circuit board on the lamp holder, and the welding has many LED and resistance on the circuit board, still be connected with the parcel on the lamp holder the transparent cover of circuit board, its characterized in that: still weld on the circuit board and have the paster bridge heap, many LED lamp pearls and resistance with the paster bridge heap is established ties, LED lamp pearl rated voltage is 3.2 to 3.4V, and the total operating voltage of resistance and LED lamp pearl is 220V to 280V.

3. The LED lighting fixture of claim 2, wherein: the circuit board includes the rectangle portion and the circular portion of body coupling, all weld the LED in rectangle portion and the circular portion, the side of the cylindrical luminous body of cavity is curled to rectangle portion, and circular portion bends the top surface that forms cylindrical luminous body, LED distribute in the outside of luminous body side and top surface.

4. The LED lighting fixture of claim 3, wherein: the top surface of the cylindrical luminous body is provided with a first heat dissipation hole, and the top surface of the lampshade is provided with a second heat dissipation hole.