CN214675780U

CN214675780U - Double-sided luminous LED lamp

Info

Publication number: CN214675780U
Application number: CN202120510586.1U
Authority: CN
Inventors: 吴青安; 林雄忠; 黄雅莹
Original assignee: Zhangzhou Guanyu Lighting Co Ltd
Current assignee: Zhangzhou Guanyu Lighting Co Ltd
Priority date: 2021-03-11
Filing date: 2021-03-11
Publication date: 2021-11-09
Anticipated expiration: 2031-03-11

Abstract

The utility model discloses a double-sided light-emitting LED lamp, which comprises a circuit board, a rectifying circuit and an LED light source, wherein the circuit board comprises a circuit board body and a circuit board extension part, and the circuit board extension part extends outwards from the circuit board body horizontally; the rectifier circuit comprises an input pin, an output pin, a bridge rectifier, a first resistor and a second resistor, wherein the input pin and the output pin are arranged at one end of the circuit board body, the bridge rectifier is arranged on one surface of the circuit board body, and the first resistor and the second resistor are arranged on the other surface of the circuit board body; the LED light sources are uniformly distributed on the upper surface and the lower surface of the circuit board extension part. Compared with the prior art, the utility model discloses the radiating effect is better, occupation space is littleer, illumination zone is wider, has consequently not only improved the life of LED light source, has promoted the illuminating effect, has still practiced thrift the manufacturing cost of circuit board.

Description

Double-sided luminous LED lamp

Technical Field

The utility model relates to a LED light source technical field especially relates to a two-sided luminous LED lamp.

Background

With the development of society, the market of LED lighting gradually rises, and the application field of the LED lighting continuously expands and simultaneously puts higher requirements on the performance of an LED light source. LEDs have many advantages such as environmental protection, energy saving, small size, long life, etc., which makes LEDs gradually replace conventional fluorescent and incandescent lamps in future general lighting. However, in practical applications, the service life of the LED lamp is often easily affected by many factors such as temperature and device aging. Moreover, the overall volume of an LED lamp needs to take into account the volume of its driving circuitry in addition to the LED itself. Therefore, there is a need for an improvement of the existing LED lamp to increase its lifetime and reduce its overall volume.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a LED lamp which has simple structure, long service life, small volume and double-sided luminescence.

In order to achieve the above object, the utility model provides a following technical scheme: a double-sided light-emitting LED lamp comprises a circuit board, a rectifying circuit and an LED light source;

the circuit board comprises a circuit board body and a circuit board extension part, wherein the circuit board extension part extends outwards from the circuit board body horizontally;

the rectifier circuit comprises an input pin, an output pin, a bridge rectifier, a first resistor and a second resistor, wherein the input pin and the output pin are arranged at one end of the circuit board body, the bridge rectifier is arranged on one surface of the circuit board body, and the first resistor and the second resistor are arranged on the other surface of the circuit board body;

the LED light sources are uniformly distributed on the upper surface and the lower surface of the circuit board extension part;

the input pin is connected with the first resistor and then connected with the first port of the bridge rectifier, the second port of the bridge rectifier is connected with the second resistor and then connected with the input end of the LED light source, the output end of the LED light source is connected with the fourth port of the bridge rectifier, and the third port of the bridge rectifier is connected with the output pin.

Preferably, the LED light source includes two LED patches, and the LED patches are respectively disposed on the upper and lower surfaces of the circuit board extension portion.

Preferably, the size of the circuit board extension is matched with the size of one LED patch.

Preferably, the first resistor has a resistance value of 0.1-5k Ω, and the second resistor includes two resistors with the same resistance value and connected in series, and the resistance value of the resistor is 1-10k Ω.

Preferably, the first resistor has a resistance of 1k Ω, and the resistor has a resistance of 6.8k Ω.

The utility model has the advantages that:

the utility model discloses evenly set up the LED light source in order to realize two-sided luminous effect on the upper and lower two sides of circuit board extension, compare current with the LED lamp of LED light source setting on the same side of circuit board, the radiating effect is better, occupation space is littleer, illumination zone is wider, has consequently not only improved the life of LED light source, has promoted the illuminating effect, has still practiced thrift the manufacturing cost of circuit board.

Drawings

Fig. 1 is a schematic circuit diagram according to an embodiment of the present invention.

Fig. 2 is a schematic structural diagram of an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of the second embodiment of the present invention.

Description of reference numerals: 11. a circuit board body; 12. a circuit board extension; 21. a bridge rectifier; 22. a first resistor; 23 and 24, a second resistance; 31 and 32, LED patches.

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings of the embodiments of the present invention are combined to clearly and completely describe the technical solutions of the embodiments of the present invention, and obviously, the described embodiments are some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end", "one side", "the other side", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "disposed", "connected", and the like are to be construed broadly, such as "connected", may be fixedly connected, or detachably connected or integrally connected; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be specifically understood in specific cases by those skilled in the art.

The following describes the present invention in detail with reference to the examples.

Referring to fig. 1-3, a double-sided LED lamp includes a circuit board, a rectifier circuit, and an LED light source, the circuit board includes a circuit board body 11 and a circuit board extension portion 12, the circuit board extension portion 12 extends out from the circuit board body 11 horizontally, the rectifier circuit includes an input pin, an output pin, a bridge rectifier 21, a first resistor 22, a

second resistor

23 and 24, the input pin and the output pin are disposed at one end of the circuit board body 11, the bridge rectifier 21 is disposed on the circuit board body 11, the first resistor 22 and the

second resistor

23 and 24 are disposed under the circuit board body 11, the LED light source includes an LED patch 31 and an LED patch 32, the

LED patches

31 and 32 are disposed on the upper and lower surfaces of the circuit board extension portion 12 respectively, the input pin is connected to the first port of the bridge rectifier 21 after being connected to the first resistor 22, the second port of the bridge rectifier 21 is connected to the

second resistors

23 and 24 and then is connected to the input end of the LED patch 31, the

LED patches

31 and 32 are connected in series, the output end of the LED patch 32 is connected to the fourth port of the bridge rectifier 21, and the third port of the bridge rectifier 21 is connected to the output pin. The size of the circuit board extension 12 is matched with the size of the

LED patch

31 or 32 to reduce the volume and save materials to the maximum extent. The first resistor 22 may have a value of 0.1-5k omega and the

second resistors

23 and 24 comprise two resistors of the same value connected in series, which may have a value of 1-10k omega. In one embodiment of the present invention, the resistance of the first resistor 22 is 1k Ω, and the resistance of the second resistor 23(24) is 6.8k Ω. The bridge rectifier 21 may be a commercially available MB6S bridge rectifier. It should be noted that the resistance values of the first resistor and the second resistor can be adjusted according to the relevant parameters of the bridge rectifier and the LED patch, and the specific adjustment method is the basic knowledge that those skilled in the art know, and is not described herein again.

The utility model discloses set up the LED paster respectively in order to realize two-sided luminous effect on the upper and lower two sides of circuit board extension, compare current with the LED lamp of LED light source setting on the same side of circuit board, the radiating effect is better, occupation space is littleer, illumination zone is wider, has consequently not only improved the life of LED light source, has promoted the illuminating effect, has still practiced thrift the manufacturing cost of circuit board.

The embodiments in the above embodiments can be further combined or replaced, and the embodiments are only described in the preferred embodiments of the present invention, which are not limited to the concept and scope of the present invention, and various changes and modifications made by the technical solutions of the present invention by those skilled in the art without departing from the design concept of the present invention all belong to the protection scope of the present invention.

Claims

1. A double-sided light-emitting LED lamp comprises a circuit board, a rectifying circuit and an LED light source,

the circuit board comprises a circuit board body (11) and a circuit board extension part (12), wherein the circuit board extension part (12) extends outwards from the circuit board body (11) horizontally;

the rectifying circuit comprises an input pin, an output pin, a bridge rectifier (21), a first resistor (22) and second resistors (23 and 24), wherein the input pin and the output pin are arranged at one end of the circuit board body (11), the bridge rectifier (21) is arranged on one surface of the circuit board body (11), and the first resistor (22) and the second resistors (23 and 24) are arranged on the other surface of the circuit board body (11);

the LED light sources are uniformly distributed on the upper surface and the lower surface of the circuit board extension part (12);

the input pin is connected with the first port of the bridge rectifier (21) after being connected with the first resistor (22), the second port of the bridge rectifier (21) is connected with the input end of the LED light source after being connected with the second resistors (23 and 24), the output end of the LED light source is connected with the fourth port of the bridge rectifier (21), and the third port of the bridge rectifier (21) is connected with the output pin.

2. A double sided LED lamp as claimed in claim 1, wherein said LED light source comprises two LED patches (31, 32), said LED patches (31, 32) being arranged on the upper and lower sides of said circuit board extension (12), respectively.

3. A double sided LED lamp as claimed in claim 2, wherein the size of the circuit board extension (12) is adapted to the size of one of the LED patches.

4. A double sided light emitting LED lamp as claimed in claim 3, wherein said first resistor (22) has a resistance of 0.1-5k Ω, and said second resistor (23, 24) comprises two resistors of the same resistance connected in series, said resistors having a resistance of 1-10k Ω.

5. A double sided light emitting LED lamp as claimed in claim 4, characterized in that said first resistor (22) has a resistance of 1k Ω and said resistor has a resistance of 6.8k Ω.

6. A double-sided light-emitting LED lamp comprises a circuit board, a rectifying circuit and an LED light source,