CN210601534U

CN210601534U - Terminal and color mixing lamp

Info

Publication number: CN210601534U
Application number: CN201920967851.1U
Authority: CN
Inventors: 周芃宇; 莫继上; 陈甜
Original assignee: Shenzhen Refond Optoelectronics Co Ltd
Current assignee: Shenzhen Refond Optoelectronics Co Ltd
Priority date: 2019-06-25
Filing date: 2019-06-25
Publication date: 2020-05-22
Anticipated expiration: 2029-06-25

Abstract

The utility model relates to a LED lighting technology field discloses a terminal and color mixing lamp. The terminal comprises a main body part and a connecting part, wherein the connecting part extends out of the main body part along the width direction of the terminal. The color mixing lamp comprises the terminal, a substrate and an LED device, wherein the LED device is positioned on the substrate, at least one end of the substrate is provided with at least two terminals distributed along the width direction of the substrate, the adjacent terminals are connected into a whole through the connecting part, and the two terminals positioned on the outermost side in the width direction of the substrate are fixedly connected with the substrate. The color mixing lamp can flexibly adjust parameters such as brightness and color temperature, the terminal fixing mode is simple and stable, and the terminal is not easy to fall off from the substrate.

Description

Terminal and color mixing lamp

Technical Field

The utility model relates to a LED lighting technology field especially relates to a terminal and color mixing lamp.

Background

The LED is called as a fourth generation illumination light source or a green light source, has the characteristics of energy conservation, environmental protection, long service life, small volume and the like, and is widely applied to the fields of various indications, display, decoration, backlight sources, common illumination, urban night scenes and the like. With the gradual development and maturity of LED technology, single-color LED lamps can not meet the requirements of people on light colors, and some multicolor LED lamps capable of dimming and mixing colors begin to appear on the market. Most of dimming and color-mixing lamps in the market are mainly divided into a sectional type lamp and a parallel type lamp, a plurality of filaments in the parallel type lamp share one terminal, parameters such as color temperature and the like cannot be adjusted, and the adjustment is not flexible; the sectional type is to bond and fix a plurality of groups of independent terminals, and the terminals are easy to fall off and have low stability due to unstable bonding.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of the prior art, the utility model provides a terminal and color mixing lamp, this color mixing lamp can carry out nimble regulation to luminance and colour temperature isoparametric, and the terminal fixed mode is simple and firm, and the terminal is difficult for coming off from the base plate.

The utility model provides a technical scheme that its technical problem adopted is:

there is provided a terminal including a main body portion and a connecting portion protruding from the main body portion in a width direction of the terminal.

The utility model provides a color mixing lamp, includes foretell terminal, still includes base plate and LED device, the LED device is located on the base plate, at least one end of base plate is equipped with two at least along the width direction distribution of base plate the terminal, adjacent pass through between the terminal connecting portion even as an organic whole, be located two of the outermost side in the width direction of base plate the terminal with base plate fixed connection.

As an improvement of the above technical solution, the connecting portions of the adjacent terminals are integrally connected by bonding.

As a further improvement of the above technical solution, the terminal further includes an elastic sleeve, and the elastic sleeve is sleeved on the connecting portion of the adjacent terminal.

As a further improvement of the technical scheme, the connecting parts of the adjacent terminals are connected into a whole through injection molding plastic.

As a further improvement of the above technical means, the two terminals located outermost in the width direction of the substrate are riveted, welded, or fixedly connected to the substrate by a screw fastener.

As a further improvement of the above technical solution, the end portions of the two terminals located at the outermost sides in the width direction of the substrate are folded down to the bottom of the substrate and then fixedly connected to the substrate.

As a further improvement of the above technical solution, the LED device is electrically connected to the main body portion of the terminal, and a fluorescent glue is fixed to a top portion of the LED device.

As a further improvement of the above technical solution, a metal circuit is disposed on the surface of the substrate, and the LED device is electrically connected to the terminal through the metal circuit.

As a further improvement of the above technical solution, the LED device is electrically connected to the terminal through a bonding wire.

The utility model has the advantages that: can carry out nimble regulation to parameters such as luminance and colour temperature, the terminal fixed mode is simple and firm, and the terminal is difficult for droing from the base plate.

Drawings

The invention will be further described with reference to the following figures and examples:

fig. 1 is a schematic front view of a color mixing lamp when an LED device is flipped over according to an embodiment of the present invention;

fig. 2 is a schematic front view of a color-mixing lamp when the LED device is mounted;

fig. 3 is a schematic view of a reverse structure of a color-mixing lamp according to an embodiment of the present invention.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which function is to supplement the description of the text part of the specification with figures, so that each technical feature and the whole technical solution of the present invention can be understood visually and vividly, but it cannot be understood as a limitation to the scope of the present invention.

In the description of the present invention, if an orientation description is referred to, for example, the directions or positional relationships indicated by "upper", "lower", "front", "rear", "left", "right", etc. are based on the directions or positional relationships shown in the drawings, only for convenience of description and simplification of description, and it is not intended to 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. When a feature is referred to as being "disposed," "secured," or "connected" to another feature, it can be directly disposed, secured, or connected to the other feature or be indirectly disposed, secured, or connected to the other feature.

In the description of the present invention, if "a plurality" is referred to, it means one or more, if "a plurality" is referred to, it means two or more, if "more than", "less than" or "more than" is referred to, it is understood that the number is not included, and if "more than", "less than" or "within" is referred to, it is understood that the number is included. If reference is made to "first" or "second", this should be understood to distinguish between features and not to indicate or imply relative importance or to implicitly indicate the number of indicated features or to implicitly indicate the precedence of the indicated features.

In addition, unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention.

Referring to fig. 1 to 2, schematic front structure diagrams of the color mixing lamp when the LED device is flip-chip mounted and upright mounted in an embodiment of the present invention are respectively shown. The color mixing lamp in the present embodiment includes a substrate 1, an LED device 2, a metal circuit 3 (or a bonding wire 4), and a terminal 5. The substrate 1 is made of an insulating material, and includes ceramic, sapphire, BT, and the like. The substrate 1 is used for connecting terminals 5 at both ends thereof, and carrying the LED device 2. Terminals 5 are provided at both ends of the substrate 1, and the terminals 5 are electrically connected to an external circuit.

The terminal 5 includes a body 51 and a connecting portion 52, and the connecting portion 52 extends from the body 51 in the width direction of the terminal.

As shown in fig. 1, when the LED device 2 is flip-chip mounted on the substrate 1, the metal circuit 3 is provided on the substrate 1, and the LED device 2 is soldered to a pad of the metal circuit 3. In the present embodiment, three rows of LED devices 2 are disposed on the substrate 1, and the three rows of LED devices 2 are arranged in parallel. The substrate 1 is provided with three terminals 5 arranged in the width direction of the substrate 1. Two ends of each row of LED devices 2 are electrically connected with corresponding terminals 5 through metal circuits 3, and the terminals 5 are connected into an external circuit, so that the LED devices 2 can be conducted to emit light.

As shown in fig. 2, when the LED device 2 is being mounted on the substrate 1, the LED device 2 is electrically connected to the terminals through bonding wires 4. In this embodiment, three rows of LED devices are disposed on the substrate 1, and the three rows of LED devices are arranged in parallel. The substrate 1 is provided with three terminals 5 arranged in the width direction of the substrate 1. Two ends of each row of LED devices 2 are electrically connected with corresponding terminals 5 through bonding wires 4, and the terminals 5 are connected into an external circuit, so that the LED devices 2 can be conducted to emit light.

The forward mounting and inverted mounting structure of the LED device belongs to the prior art, and will not be described herein.

The two terminals 5 located outermost in the width direction of the substrate 1 are fixedly connected to the substrate 1. As shown in fig. 3, a schematic view of a reverse structure of the color-mixing lamp in one embodiment of the present invention is shown. The end portions 53 of the two outermost terminals 5 are turned downward to the bottom of the substrate 1 and are fixedly connected with the bottom of the substrate 1, specifically, the fixed connection can be realized by riveting, welding or threaded fasteners.

The connecting portions 52 of the adjacent terminals 5 are integrally connected. In the present embodiment, the connecting portions 52 of the adjacent terminals 5 are integrally connected by the injection molding plastic 6. And injecting molten plastic between the adjacent terminals, and fixing the adjacent terminals together after the plastic is solidified. Of course, they may be connected together by other means, such as adhesion. The connecting portions of the adjacent terminals are overlapped and bonded. Alternatively, an elastic sleeve may be provided on the connecting portion of the adjacent terminals, and the connecting portions of the adjacent terminals may be sleeved together by the elastic sleeve.

The fixing mode has simple structure, and the terminal can be firmly fixed on the substrate and is not easy to fall off.

The LED devices at the left end and the right end of each row of LED devices are connected with the terminals at the corresponding positions, and the two adjacent rows of LED devices are connected in parallel. The top of three rows of LED devices is fixed with the fluorescent glue of different colours, and the fluorescent glue wraps up the LED device, and every row of LED device can send the light of the same colour with the fluorescent glue at top, and each other does not influence. In the present embodiment, the LED devices are three rows, and the number of terminals on each side is 3, but not limited thereto. In practice, it is only necessary that the number of terminals on each side of the substrate corresponds to the number of rows of LED devices on the substrate.

The color mixing lamp can adjust the color thereof as required, because each row of LED devices are connected in parallel and do not influence each other, the circuit of one or more rows of LED devices can be disconnected as required, so that the row of LED devices is extinguished, and the LED devices with other colors can emit light and mix colors to realize different light effects. In addition, the current in the circuit of each row of LED devices can be adjusted to change the brightness of the row of LED devices, so that different light effects can be mixed. The adjusting mode is flexible and changeable, and the color matching is convenient.

While the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the embodiments, and those skilled in the art can make various equivalent modifications and substitutions without departing from the spirit of the present invention. Furthermore, the embodiments of the present invention and features of the embodiments may be combined with each other without conflict.

Claims

1. A color mixing lamp is characterized by comprising a terminal, wherein the terminal comprises a main body part and a connecting part, and the connecting part extends out of the main body part along the width direction of the terminal;

the LED module comprises a substrate and LED devices, wherein the LED devices are located on the substrate, at least two terminals distributed in the width direction of the substrate are arranged at least one end of the substrate, the adjacent terminals are connected into a whole through a connecting part, and the two terminals located on the outermost side in the width direction of the substrate are fixedly connected with the substrate.

2. The color-mixing lamp according to claim 1, wherein the connecting portions of the adjacent terminals are integrally connected by adhesion.

3. The color mixing lamp as claimed in claim 1, further comprising an elastic sleeve sleeved on the connecting portion of the adjacent terminal.

4. The color mixing lamp as claimed in claim 1, wherein the connecting portions of the adjacent terminals are connected together by injection molding plastic.

5. The color-mixing lamp according to claim 1, wherein two of said terminals located outermost in the width direction of said substrate are riveted, welded or fixedly connected to said substrate by a threaded fastener.

6. The color mixing lamp according to claim 5, wherein the ends of the two terminals located outermost in the width direction of the substrate are folded down to the bottom of the substrate and then fixedly connected to the substrate.

7. The color mixing lamp according to claim 1, wherein the LED device is electrically connected to the main body portion of the terminal, and a fluorescent glue is fixed to a top portion of the LED device.

8. The color-mixing lamp of claim 7, wherein the substrate surface is provided with a metal circuit, and the LED device is electrically connected with the terminal through the metal circuit.

9. The color mixing lamp of claim 7, wherein the LED device is electrically connected to the terminals by bonding wires.