CN219493949U - DOB assembly with SMD patch light source - Google Patents

Abstract

DOB subassembly with SMD paster light source belongs to LED lighting technology field. The utility model has simple and reasonable structure and easy production and manufacture; the utility model adopts DOB mode, and the volume of the lamp is obviously reduced; the SMD patch light source is directly adhered to the PCB substrate and is completed by the whole patch of the machine, the production period is short, the yield is high, and the manufacturing cost is low; the 4 Pad designs of the high-voltage patch light source are benefited, and the method can be applied to countries and regions with different commercial powers only by changing the connection mode of the light source Pad, so that the method has wide application prospect.

Description

DOB assembly with SMD patch light source

Technical Field

The utility model relates to a DOB assembly with an SMD patch light source, and belongs to the technical field of LED illumination.

Background

The LED lamp is gradually becoming the main stream in the field of illumination markets due to the advantages of energy conservation, environmental protection, high efficiency, long service life and the like, and is accepted and approved by consumers. Different from traditional LED light source, current DOB form combines light source and circuit together, often DOB form's light source and circuit need carry out the combination installation again after producing respectively, lead to production cycle long, inefficiency, the yield is low.

In addition, there are two general voltages used by civil electricity consumption sites in countries around the world, namely: 100-130V and 220-240V; the former is mainly focused on safety, such as the United states and Japan; the latter are mainly focused on economic efficiency in China and Europe. Therefore, the same lamp needs to be produced respectively according to the commercial power standards of different countries and regions, and is time-consuming and labor-consuming. There is a need for an LED luminaire that can be adapted to different countries and regions of mains supply.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art, provides a DOB assembly with an SMD patch light source, and can solve the problems that the existing LED lamp is large in appearance volume, long in production period and incapable of adapting to different commercial power standards.

The technical scheme of the utility model is as follows:

the DOB component is characterized by comprising a substrate, an SMD patch light source and a driving module thereof, wherein the SMD patch light source and the driving module are fixedly connected to the substrate, and the driving module is a constant-current IC.

By adopting the scheme, the light source and the drive are integrated on the substrate to form the DOB structure, so that the size of the lamp is greatly reduced, the structure is simpler, the use is more convenient and the application is wider. When the circuit is produced, the SMD patch type light source is directly attached to the substrate, the production period is shortened, the yield is high, the manufacturing cost is low, the automation is easy to realize, the production efficiency is improved, the assembly density is high, the product size is small, and the weight is light.

Further, when the SMD surface mounted light source is a single LED, the SMD surface mounted light source is a high-voltage light source, and the DOB is matched with the high-voltage LED, so that the service life of the driving power supply can be prolonged, the circuit is simplified, the cost is reduced, and the power density is improved.

Further, when the SMD patch light source is internally provided with a plurality of LEDs, the SMD patch light source should include a first LED bead (at least one LED bead) and a second LED bead (at least one LED bead). The first LED lamp beads and the second LED lamp beads are connected in series or in parallel. Specific:

four pads consisting of two positive electrodes and two negative electrodes are arranged on the back surface of the SMD patch type light source, wherein the two pads correspond to the first LED lamp beads and the second LED lamp beads respectively; if the commercial power is 100-130V, connecting two positive electrode pads in parallel, and connecting two negative electrode pads in parallel; if 220-240V is adopted as the commercial power, the positive electrode Pad of one group is connected with the negative electrode Pad of the other group in series, and the first LED lamp beads and the second LED lamp beads are connected in series to adapt to 220-240V commercial power standards.

Further, DOB subassembly is installed in lamps and lanterns, adopts the form that SMD paster light source and DOB combine, is favorable to reducing the volume of lamps and lanterns greatly, and the appearance design and the installation of lamps and lanterns of being convenient for, and production degree of automation is high, and production cycle is short, can adapt to different commercial power standards, can satisfy lamps and lanterns such as down lamp, shot-light, ceiling lamp, track lamp, bank lamp and the increasingly larger demand.

The utility model has simple and reasonable structure and easy production and manufacture; the utility model adopts DOB mode, and the volume of the lamp is obviously reduced; the SMD patch light source is directly adhered to the PCB substrate and is completed by the whole patch of the machine, the production period is short, the yield is high, and the manufacturing cost is low; the 4 Pad designs of the high-voltage patch light source are benefited, and the method can be applied to countries and regions with different commercial powers only by changing the connection mode of the light source Pad, so that the method has wide application prospect.

Drawings

Fig. 1 is a schematic diagram of a DOB module with an SMD patch light source in embodiment 1;

fig. 2 is a schematic diagram of a back Pad of an SMD patch light source in embodiments 2 and 3;

fig. 3 is a schematic diagram of SMD patch light source Pad connection in embodiment 2;

fig. 4 and 5 are schematic diagrams of SMD patch light source Pad connection in embodiment 3;

in the figure: 1. a substrate; 2. SMD paster type light source; 3. and a driving module.

Detailed Description

Example 1

The DOB component with the SMD patch light source comprises a substrate 1, the SMD patch light source 2 and a driving module 3 thereof, wherein the SMD patch light source and the driving module are fixedly connected on the substrate to form a DOB structure, the driving module adopts a constant current IC, and the SMD patch light source is a high-voltage light source when the SMD patch light source adopts a single LED as shown in fig. 1. By the design, the volume of the lamp is greatly reduced, the production period is short, and automation is easy to realize.

Example 2

Unlike embodiment 1, when the SMD patch light source is a plurality of LEDs, the inside thereof is composed of a first LED lamp bead (at least one LED lamp bead), a second LED lamp bead (at least one LED lamp bead).

As shown in fig. 2, the back of the SMD patch light source is provided with four Pad groups, each of which is composed of two positive electrodes (1 and 2 in the figure) and two negative electrodes (3 and 4 in the figure), and each of the two Pad groups corresponds to a first LED lamp bead and a second LED lamp bead.

If the commercial power is input at 100-130V, four Pad connection methods are adopted: as shown in fig. 3, two positive electrode pads on the back surface of the SMD patch light source are connected in parallel (1) and (2) in the figure), and two negative electrode pads are connected in parallel (3) and (4) in the figure) by a circuit structure preset on the substrate.

Example 3

Unlike example 2, if the mains input is 220-240V, four Pad connections: and (3) connecting the positive electrode Pad of one group with the negative electrode Pad of the other group in series in the two groups of pads on the back surface of the SMD patch type light source through a preset circuit structure on the substrate (namely, connecting (1) and (4) in the figure in series as shown in figure 4 or (2) and (3) in the figure as shown in figure 5), and connecting the first LED lamp beads and the second LED lamp beads in series to adapt to 220-240V mains supply standard.

Example 4

Based on examples 1, 2 or 3, the DOB assembly was built into the luminaire housing, resulting in a smaller luminaire volume.

Claims (5)

1. The DOB component is characterized by comprising a substrate, an SMD patch light source and a driving module thereof, wherein the SMD patch light source and the driving module are fixedly connected to the substrate;

the SMD patch type light source comprises a first LED lamp bead and a second LED lamp bead, and the first LED lamp bead and the second LED lamp bead are connected in series or in parallel;

the first LED lamp bead at least comprises one LED lamp bead, and the second LED lamp bead at least comprises one LED lamp bead;

the back of SMD paster type light source is equipped with four pads that two positive poles, two negative poles are constituteed, and two sets of pads correspond with first LED lamp pearl, second LED lamp pearl respectively.

2. The DOB assembly with SMD patch light source of claim 1, wherein two positive pole pads are connected in parallel and two negative pole pads are connected in parallel.

3. The DOB assembly with SMD patch light source of claim 1, wherein the positive electrode Pad of one of the two sets of pads is connected in series with the negative electrode Pad of the other set.

4. The DOB assembly with SMD patch light source of claim 1, wherein said drive module is a constant current IC.

5. The DOB assembly with SMD patch light source of any of claims 1-4, wherein said DOB assembly is mounted in a luminaire.