Alternating-current and direct-current universal and direct-insertion patch dual-purpose LED lamp

Abstract

The utility model discloses an alternating-current and direct-current universal and direct-insertion patch dual-purpose LED lamp, which comprises a lamp body and at least two pins with opposite polarities, the pins extend out of the lamp body, and the pins not only realize direct-insertion welding, but also realize patch welding. According to the alternating current and direct current universal and direct insertion patch dual-purpose LED lamp, the pins parallel to the bottom face of the lamp body are adopted, when patch welding is carried out, the redundant part is cut off, and the small remaining part close to the lamp body is used for patch welding. During direct insertion welding, the pins are bent downwards by 90 degrees to be inserted into the welding holes of the circuit board, and redundant parts are cut off before welding or after welding is completed. A customer can select a welding mode by himself / herself according to use scenes, use spaces and the like, and use of the customer is greatly facilitated.

Description

Technical Field

[0001] The utility model belongs to the technical field of LED lamps, and in particular relates to an AC / DC dual-purpose LED lamp that can be used for both direct-insertion and direct-insertion chips. Background Art

[0002] SMD LED, also known as SMD LED, is a simple lamp. Its light-emitting principle is to pass current through compound semiconductors. Through the combination of electrons and holes, the excess energy will be released in the form of light to achieve the effect of light emission. SMD LED is mainly used in lighting systems, decoration, electronic equipment indicators, backlights, displays and equipment. Most of the existing LED lamps can only be patched or plugged in, and generally can only be powered by DC, with a small available voltage range, which limits their use in many occasions. Utility Model Content

[0003] The technical problem solved by the utility model is to provide a dual-purpose LED lamp with a wide voltage range and universal AC and DC functions and capable of direct plug-in patch.

[0004] Technical solution: In order to solve the above technical problems, the technical solution adopted by the utility model is as follows:

[0005] An AC / DC dual-purpose direct-insert chip dual-purpose LED lamp comprises a lamp body and at least two pins with opposite polarities extending from the lamp body, wherein the pins can realize both direct-insert welding and chip welding.

[0006] Furthermore, the pins are provided with two, namely a first pin and a second pin, which are respectively provided on the sides of the lamp body.

[0007] Furthermore, the pin includes a patch portion and a straight-insertion portion, the patch portion is arranged close to the lamp body, and the straight-insertion portion is connected to a side of the patch portion away from the lamp body.

[0008] Furthermore, the width of the patch portion is greater than the width of the straight insertion portion.

[0009] Furthermore, a plurality of metal brackets are arranged in the lamp body, the first metal bracket is connected to the second pin, and the second metal bracket is connected to the first pin.

[0010] Furthermore, the second metal bracket is divided into two isolated parts: a second metal bracket A and a second metal bracket B, and a resistor R1 is connected between the second metal bracket A and the second metal bracket B.

[0011] Furthermore, a chip integrated with a light-emitting diode is arranged on the first metal bracket, one end of the chip is electrically connected to the first metal bracket, and the other end of the chip is electrically connected to the second metal bracket B.

[0012] Furthermore, two chips are provided.

[0013] Furthermore, a lampshade is arranged on the lamp body.

[0014] Furthermore, the two pins are arranged on the same side, two opposite sides, or two adjacent sides of the lamp body.

[0015] Beneficial effects: Compared with the prior art, the utility model has the following advantages:

[0016] This utility model is a dual-purpose LED lamp for AC and DC, and is parallel to the bottom of the lamp body. When soldering the SMD, the excess part is cut off, and the remaining small part close to the lamp body is used for SMD soldering. When soldering, bend the pin downward 90° and insert it into the soldering hole of the circuit board. Cut off the excess part before or after soldering. Customers can choose the soldering method according to the usage scenario and usage space, which greatly facilitates customers. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of an AC / DC universal, direct-insert SMD dual-purpose LED lamp;

[0018] Figure 2 This is a schematic diagram of the pin connection method of an AC / DC universal, direct-insert SMD dual-purpose LED lamp;

[0019] Figure 3 This is a schematic diagram of the connection method when the pins of an AC / DC universal, direct-insert SMD dual-purpose LED lamp are set on the opposite side;

[0020] Figure 4 This is a schematic diagram of the internal structure of an AC / DC universal, direct-insert SMD dual-purpose LED lamp;

[0021] Figure 5 It is a schematic diagram of the side structure of an AC / DC universal, direct-insert chip dual-purpose LED lamp. DETAILED DESCRIPTION

[0022] The present invention will be further explained below in conjunction with specific embodiments. The embodiments are implemented based on the technical solution of the present invention. It should be understood that these embodiments are only used to illustrate the present invention and are not used to limit the scope of the present invention.

[0023] like Figures 1 to 3 As shown, the AC / DC universal, direct-insert chip dual-purpose LED lamp of the utility model mainly includes the following components: a lamp body 1, a first pin 2, a second pin 3, a first metal bracket 4, a second metal bracket 5, a chip 6, and a lampshade 7.

[0024] The number of pins can be adjusted as needed, with at least 2, 3 or 4 pins also possible. In this embodiment, preferably 2 pins are provided, and two pins with opposite polarities extend from the lamp body 1. The pins can be directly soldered on the circuit board or surface mounted on the circuit board.

[0025] like Figure 2 As shown, the two pins are respectively a first pin 2 and a second pin 3, which are respectively arranged on the sides of the lamp body 1. When the lamp body 1 is square, the two pins can be arranged on the same side, two opposite sides, or two adjacent sides of the lamp body 1. At this time, for the convenience of connection, it is only necessary to adaptably adjust the position and shape of the metal bracket in the lamp body 1.

[0026] The lamp body 1 is not limited to a square shape, and may be in various shapes such as a circle, an ellipse, or a rectangle.

[0027] like Figure 3 As shown, when two pins are arranged on opposite sides of the lamp body 1, their positions can also be changed as needed, and can be symmetrically arranged in the middle, on the sides, or staggered. At this time, for the convenience of connection, it is only necessary to adaptively adjust the position and shape of the metal bracket in the lamp body 1.

[0028] In order to achieve both direct plug welding and surface mount welding, the pins of this embodiment are arranged parallel to the bottom surface of the lamp body 1, and the lower surface of the pins is preferably flush with the lower surface of the lamp body. Since the pins have a certain thickness, a groove 11 can be set on the side of the lamp body 1, and the pins are embedded in the groove 11 to achieve that the lower surface of the pins is flush with the lower surface of the lamp body 1.

[0029] The pin can be a cylindrical metal wire or a flat long strip metal wire. In this embodiment, a flat long strip pin is used. The pin can be a whole metal wire with the same cross-sectional size. When soldering the chip, cut off the excess part, and the remaining small part close to the lamp body is used for soldering. When soldering directly, bend the pin downward by 90° and insert it into the soldering hole of the circuit board. Subtract the excess part before or after soldering.

[0030] As a preferred embodiment, in order to increase the contact area with the circuit board and facilitate soldering, the pin of this embodiment includes a patch portion 21 and a straight insertion portion 22, and the diameter or width of the patch portion 21 is slightly larger than the straight insertion portion 22. The patch portion 21 is arranged close to the lamp body 1, and the straight insertion portion 22 is connected to the side of the patch portion 21 away from the lamp body 1.

[0031] The patch portion 21 and the straight insertion portion 22 can be integrally formed to facilitate processing.

[0032] In order to facilitate the determination of where to bend, a bending mark line 23 is provided on the surface of the pin, which is convenient for the operator to operate and also avoids the bending lengths of the two pins being inconsistent.

[0033] A plurality of metal brackets are arranged in the lamp body 1 , the first metal bracket 4 is connected to the second pin 3 , and the second metal bracket 5 is connected to the first pin 2 .

[0034] The second metal bracket 5 is divided into two isolated parts: a second metal bracket A51 and a second metal bracket B52, a resistor R1 is connected between the second metal bracket A51 and the second metal bracket B52, and the first pin 2 is connected to the second metal bracket A51. The resistance value of the resistor R1 is selected to be 220 kΩ to 680 kΩ.

[0035] The chip 6 integrated with the light emitting diode is arranged on the first metal bracket 4, one end of the chip 6 is electrically connected to the first metal bracket 4, and the other end of the chip 6 is electrically connected to the second metal bracket B52. In this embodiment, two chips are arranged, namely chip A and chip B. The chip 6 is a commercially available product. The luminous color, power, etc. are selected according to the needs. The chip of Sanan or Qianzhao Optoelectronics can be used, and the models are 8AR, 918B, 912G, etc. The utility model does not improve the chip itself, and uses the existing commercially available chip.

[0036] A lampshade 7 is arranged on the lamp body 1, and can be an arc-shaped or flat-shaped lampshade. The arc-shaped lampshade can play a role of focusing light, while the flat-shaped lampshade only plays the role of shading and softening the light.

[0037] The present application realizes the universal use of AC and DC. When using AC power, the positive pole of the power supply is connected to chip 6 after passing through resistor R1. The AC power is a periodic positive and negative half-cycle. After passing through resistor R1, the positive half-cycle flows through chip A, and chip A is lit. The negative half-cycle passes through chip B, and the corresponding chip is lit.

[0038] When using direct current, it can support a voltage range of 0-380V. In most scenarios, it is used in the range of 50V to 380V. The chip does not distinguish between positive and negative poles. Therefore, when using direct current, the two pins can be connected to the positive or negative pole at will to light up the LED.

[0039] The above are only preferred implementations of the present invention. It should be pointed out that ordinary technicians in this technical field can make several improvements and modifications without departing from the principles of the present invention. These improvements and modifications should also be regarded as the protection scope of the present invention.

Claims

1. An AC / DC compatible, direct-insert chip dual-purpose LED lamp, characterized in that: The invention comprises a lamp body (1) and at least two pins with opposite polarities extending from the lamp body (1), wherein the pins realize both direct plug welding and surface mount welding; the pins comprise a surface mount portion (21) and a direct plug portion (22), wherein the surface mount portion (21) is arranged close to the lamp body (1), and the direct plug portion (22) is connected to a side of the surface mount portion (21) away from the lamp body (1).

2. The AC / DC compatible, direct-insert SMD dual-purpose LED lamp according to claim 1, characterized in that: The pins are provided with two pins, namely a first pin (2) and a second pin (3), which are respectively arranged on the side surfaces of the lamp body (1).

3. The AC / DC compatible, direct-insert SMD dual-purpose LED lamp according to claim 1, characterized in that: The width of the patch portion (21) is greater than the width of the straight insertion portion (22).

4. The AC / DC compatible, direct-insert SMD dual-purpose LED lamp according to claim 1, characterized in that: A plurality of metal brackets are arranged in the lamp body (1); the first metal bracket (4) is connected to the second pin (3); and the second metal bracket (5) is connected to the first pin (2).

5. The AC / DC compatible, direct-insert SMD dual-purpose LED lamp according to claim 2, characterized in that: The second metal support (5) is divided into two isolated parts: a second metal support A (51) and a second metal support B (52), and a resistor R1 is connected between the second metal support A (51) and the second metal support B (52).

6. The AC / DC compatible, direct-insert SMD dual-purpose LED lamp according to claim 4, characterized in that: A chip (6) integrated with a light emitting diode is arranged on the first metal support (4); one end of the chip (6) is electrically connected to the first metal support (4); and the other end of the chip (6) is electrically connected to the second metal support B (52).

7. The AC / DC compatible, direct-insert SMD dual-purpose LED lamp according to claim 6, characterized in that: Two chips (6) are provided.

8. The AC / DC compatible, direct-insert SMD dual-purpose LED lamp according to claim 1, characterized in that: A lampshade (7) is arranged on the lamp body (1).

9. The AC / DC compatible, direct-insert chip dual-purpose LED lamp according to claim 2, characterized in that: The two pins are arranged on the same side, two opposite sides, or two adjacent sides of the lamp body (1).

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