WO2022165750A1

WO2022165750A1 - Led lighting fixture

Info

Publication number: WO2022165750A1
Application number: PCT/CN2021/075515
Authority: WO
Inventors: 王忠香
Original assignee: 中山市宏腾照明有限公司
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2022-08-11

Abstract

The present utility model relates to an LED lighting fixture, comprising an LED module, a fixing pad and a light-transmitting cover, wherein the LED module comprises a circuit board and several LED lamp beads connected to one side of the circuit board. The LED lamp beads are electrically connected to the circuit board. The fixing pad is connected to the side of the circuit board which is away from the LED lamp beads. The light-transmitting cover covers the side of the circuit board which is connected to the LED lamp beads. In the LED lighting lamp, the circuit board is connected by means of the fixing pad and is covered by the light-transmitting cover. The arrangement of a hardware back panel is not required, the lighting fixture structure is simplified, the assembling steps are optimized, and the installation and assembly are simpler for users. The LED lighting fixture is simple in structure and convenient to assemble, the production efficiency is improved, and the cost is reduced.

Description

LED lighting fixtures

technical field

The utility model relates to the technical field of lamps, in particular to an LED lighting lamp.

Background technique

With the advancement of science and technology and social development, indoor lighting fixtures powered by DC below 16V have gradually become popular. At present, lighting suppliers generally separate the LED module and the lighting hardware backplane into two components. When consumers use it, they need to fix the LED module and the lighting hardware backplane together by rivets, and then stamp the hardware backplane. The screws are fixed to the top of the ceiling, which is inconvenient to assemble.

Utility model content

Based on this, it is necessary to provide an LED lighting fixture with a simple structure and convenient assembly in order to solve the above problems.

An LED lighting fixture, comprising an LED module, a fixing pad and a light-emitting cover, the LED module comprises a circuit board and a plurality of LED lamp beads connected to one side of the circuit board, each of the LED lamp beads and the circuit board Electrically connected, the fixing pad is connected to the side of the circuit board away from the LED lamp bead, and the light emitting cover covers the side of the circuit board that is connected to the LED lamp bead.

In one embodiment, the fixing pad includes a pad and at least one bump connecting the pad, the circuit board is provided with at least one positioning hole for accommodating the bump, each of the bump is connected to each of the bumps. The positioning holes are in one-to-one correspondence.

In one embodiment, the number of the bumps is three, and the three bumps are evenly spaced on the spacer block; the number of the positioning holes is three, and the three positioning holes are evenly spaced on the spacer. circuit board.

In one embodiment, at least one fastener is further included, each of the fasteners is used to fix the circuit board and the fixing pad, and the fastener passes through the projection and the pad .

In one embodiment, the protrusion and the spacer are both threadedly connected to the fastener.

In one embodiment, the light-emitting cover includes a casing and a plurality of locking pieces connected to the inner side of the casing, each of the locking pieces is used to fix the casing and the circuit board, and the circuit board There are several limiting holes corresponding to the locking pieces.

In one embodiment, the locking member includes a vertical rod portion and a horizontal rod portion connected to one end of the vertical rod portion, and the horizontal rod portion is used for clamping the circuit board.

In one embodiment, the length of the crossbar portion is less than or equal to the length of the limiting hole, and the width of the crossbar portion is less than or equal to the width of the limiting hole.

In one embodiment, the locking member further includes an abutting portion, the abutting portion is protrudingly disposed on the side of the crossbar portion facing the circuit board, and the abutting portion is used for clamping the the circuit board.

In one embodiment, the light-emitting cover further includes a plurality of bearing blocks, each of which is arranged at intervals along the inner wall of the housing, and the distance between the bearing blocks and the abutting portion is smaller than that of the circuit board. Thickness, the distance between the bearing block and the cross bar is greater than or equal to the thickness of the circuit board.

Compared with the prior art, the beneficial effects of the present utility model are as follows:

The LED lighting fixture of the utility model is connected to the circuit board through the fixing pad, the light-emitting cover is provided with the circuit board, and no hardware back plate is required, which simplifies the structure of the fixture, optimizes the assembly steps, and makes the installation and assembly of consumers easier; the LED lighting fixture has a simple structure. , The assembly is convenient, the production efficiency is improved, and the cost is reduced.

Description of drawings

1 is a schematic diagram of an assembly structure of an LED lighting fixture according to a preferred embodiment of the present invention;

Fig. 2 is an exploded view of the LED lighting fixture shown in Fig. 1;

FIG. 3 is an enlarged view of the circle A in FIG. 2 .

Description of the attached drawings:

LED lighting fixtures 100;

LED module 10 , circuit board 11 , positioning hole 110 , limiting hole 111 , fixing pad 20 , pad 21 , through hole 210 , bump 22 , light-emitting cover 30 , housing 31 , locking member 32 , vertical rod portion 321 , the cross bar part 322 , the abutting part 323 , the bearing block 33 .

Detailed ways

In order to facilitate the understanding of the present invention, a more comprehensive description of the present invention will be given below. However, the present invention may be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that a thorough and complete understanding of the present disclosure is provided.

It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. When the number of an element is referred to as being "plural", it can be any number of two or more. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for the purpose of illustration only and do not represent the only embodiment.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Please refer to FIG. 1 to FIG. 3 , which is an LED lighting fixture 100 according to a preferred embodiment of the present invention, including an LED module 10 , a fixing pad 20 and a light-emitting cover 30 , and the LED module 10 includes a circuit board 11 and a connecting circuit board 11 Several LED lamp beads on one side (not shown), the fixing pad 20 is connected to the side of the circuit board 11 away from the LED lamp beads, and the light-emitting cover 30 covers the side of the circuit board 11 connected to the LED lamp beads. The LED lighting fixture 100 of the present invention is connected to the circuit board 11 through the fixing pad 20 , and the light-emitting cover 30 covers the circuit board 11 , without the need for a hardware backplane, which simplifies the structure of the fixture, optimizes the assembly steps, and makes installation and assembly easier for consumers.

As shown in FIG. 1 and FIG. 2 , in this embodiment, the LED module 10 includes a circuit board 11 and a plurality of LED lamp beads (not shown) connected to one side of the circuit board 11 , and each LED lamp bead is electrically connected to the circuit board 11 . For sexual connection, optionally, the circuit board 11 is provided with at least one positioning hole 110 and several limiting holes 111 . Further, there are three positioning holes 110 , and the three positioning holes 110 are evenly spaced on the circuit board 11 .

As shown in FIG. 2 , the fixing pad 20 is connected to the side of the circuit board 11 away from the LED lamp bead. The fixing pad 20 includes a pad 21 and at least one bump 22 connecting the pad 21 , and a positioning hole 110 of the circuit board 11 to accommodate the projection Block 22, each bump 22 corresponds to each positioning hole 110 one-to-one; optionally, the pad 21 is provided with a through hole 210 corresponding to the bump 22, the through hole 210 corresponds to the bump 22 one-to-one, and further, the bump 22 is tapered, the bumps 22 are connected with the circuit board 11 by interference, and the clamping is firm; the bumps 22 are three, and the three bumps 22 are evenly spaced on the spacer block 21; the fixing pad 20 is made of any material, and the through holes 220 The bumps 22 can be set at any position. In other embodiments, the fixing pad 20 is not provided with the spacer block 21 .

As shown in FIG. 2 and FIG. 3 , the light-emitting cover 30 covers the side of the circuit board 11 connected to the LED lamp beads. The light-emitting cover 30 includes the housing 31 and a plurality of locking pieces 32 connected to the inner side of the housing 31 . Each locking piece 32 For fixing the housing 31 and the circuit board 11 , the limiting holes 111 are in one-to-one correspondence with the locking pieces 32 , and the shape and size of the limiting holes 111 correspond to the locking pieces 32 , so that the locking pieces 32 can pass through. In one embodiment, the locking member 32 includes a vertical rod portion 321 and a horizontal rod portion 322 connecting one end of the vertical rod portion 321 , and the horizontal rod portion 322 is used for clamping the circuit board 11 . The length of the crossbar portion 322 is less than or equal to the length of the limiting hole 111 , and the width of the crossbar portion 322 is less than or equal to the width of the limiting hole 111 , so as to ensure that the crossbar portion 322 passes through the limiting hole 111 . The locking member 32 further includes an abutting portion 323 . The abutting portion 323 is protruded from the side of the crossbar portion 322 facing the circuit board 11 , and the abutting portion 323 is used for clamping the circuit board 11 . In one embodiment, the light-emitting cover 30 further includes a plurality of bearing blocks 33 , and the bearing blocks 33 are arranged at intervals along the inner wall of the housing 31 . The thickness is to accommodate the circuit board 11 , and the distance between the bearing block 33 and the abutting portion 323 is smaller than the thickness of the circuit board 11 to ensure that the abutting portion 323 is clamped to the circuit board 11 . Further, the light emitting cover 30 is a plastic cover.

The LED lighting fixture 100 further includes at least one fastener (not shown), each fastener is used to fix the circuit board 11 and the fixing pad 20 , and the fastener passes through the bump 22 and the pad 21 . Optionally, the fastener is a screw, and the protrusion 22 and the spacer 21 are both threadedly connected to the fastener.

In use, after the bumps 22 are accommodated in the positioning holes 110, the fasteners pass through the bumps 22 and the pads 21 to fix the circuit board 11 and the fixing pads 20 to an external support, such as a ceiling; The locking member 32 passes through the limiting hole 111 , and then the housing 31 is rotated so that the crossbar portion 322 is clamped to the circuit board 11 .

The LED lighting fixture 100 of the present invention is connected to the circuit board 11 through the fixing pad 20, the light-emitting cover 30 covers the circuit board 11, and no hardware back plate is required, which simplifies the structure of the fixture, optimizes the assembly steps, and makes installation and assembly easier for consumers; The LED lighting fixture 100 is simple in structure, convenient in assembly, improves production efficiency, and reduces costs.

The technical features of the above-described embodiments can be combined arbitrarily. For the sake of brevity, all possible combinations of the technical features in the above-described embodiments are not described. However, as long as there is no contradiction between the combinations of these technical features, All should be regarded as the scope described in this specification.

The above-mentioned embodiments only represent several embodiments of the present utility model, and the descriptions thereof are specific and detailed, but should not be construed as a limitation on the scope of the utility model patent. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present utility model, several modifications and improvements can be made, which all belong to the protection scope of the present utility model. Therefore, the protection scope of the patent for this utility model shall be subject to the appended claims.

Claims

An LED lighting fixture is characterized in that it includes an LED module, a fixing pad and a light-emitting cover, the LED module includes a circuit board and a plurality of LED lamp beads connected to one side of the circuit board, and each of the LED lamp beads is connected to the circuit board. The circuit board is electrically connected, the fixing pad is connected to a side of the circuit board away from the LED lamp bead, and the light emitting cover covers a side of the circuit board that is connected to the LED lamp bead.
The LED lighting fixture according to claim 1, wherein the fixing pad comprises a spacer block and at least one protrusion connecting the spacer block, and the circuit board is provided with at least one positioning hole to accommodate the protrusion block , each of the bumps corresponds to each of the positioning holes one-to-one.
The LED lighting fixture according to claim 2, wherein the number of the bumps is three, and the three bumps are evenly spaced on the spacer; the number of the positioning holes is three, and the three The positioning holes are evenly spaced on the circuit board.
The LED lighting fixture according to claim 2, further comprising at least one fastener, each of the fasteners is used to fix the circuit board and the fixing pad, and the fasteners pass through the the bump and the spacer.
The LED lighting fixture according to claim 4, wherein the protrusion and the spacer are both threadedly connected to the fastener.
The LED lighting fixture according to claim 1, wherein the light emitting cover comprises a casing and a plurality of locking pieces connected to the inner side of the casing, and each locking piece is used for fixing the casing and the The circuit board is provided with a number of limiting holes corresponding to the locking pieces.
The LED lighting fixture according to claim 6, wherein the locking member comprises a vertical rod portion and a horizontal rod portion connecting one end of the vertical rod portion, and the horizontal rod portion is used for clamping the circuit board .
The LED lighting fixture according to claim 7, wherein the length of the cross bar portion is less than or equal to the length of the limiting hole, and the width of the cross bar portion is less than or equal to the width of the limiting hole .
The LED lighting fixture according to claim 7, wherein the locking member further comprises an abutting portion, the abutting portion is protrudingly disposed on the side of the transverse rod portion facing the circuit board, the The abutting portion is used for clamping the circuit board.
The LED lighting fixture according to claim 9, wherein the light-emitting cover further comprises a plurality of bearing blocks, each of the bearing blocks is arranged at intervals along the inner wall of the housing, and the bearing blocks and the abutting portion The distance between the two is smaller than the thickness of the circuit board, and the distance between the bearing block and the cross bar is greater than or equal to the thickness of the circuit board.