WO2018133510A1

WO2018133510A1 - Led lighting fixture

Info

Publication number: WO2018133510A1
Application number: PCT/CN2017/110381
Authority: WO
Inventors: 陈凯; 黄建明
Original assignee: 杭州华普永明光电股份有限公司
Priority date: 2017-01-23
Filing date: 2017-11-10
Publication date: 2018-07-26
Also published as: BR212019011742U2; CN206488206U

Abstract

An LED lighting fixture comprises a housing main body (1). A power supply assembly installation portion is provided at the housing main body (1). An upper cover (2) is provided at and covers the power supply assembly installation portion to form a sealed power supply cavity accommodating a power supply assembly. The power supply assembly installation portion is provided with an enclosure wall extending toward an inner side of the upper cover (2). A seal structure is tightly pressed between an outer bottom portion of the enclosure wall and a lower end of the upper cover (2), and between a top portion of the enclosure wall and an inner top portion and/or an inner side wall of the upper cover (2). The present invention employs a two-layered seal structure to seal the power supply cavity, thereby significantly improving sealing performance.

Description

LED lighting fixture

Technical field

The utility model relates to the technical field of lighting device design, and more particularly to an LED (Light Emitting Diode) lighting fixture.

Background technique

The LED lighting device has the advantages of energy saving, long service life, good applicability, short response time and environmental protection, and has a good application prospect.

Since the performance of components such as LEDs and power supplies in lighting fixtures is highly susceptible to humidity, temperature and mechanical vibration, in order to make the lamps work normally during the service life, LED lighting devices are required to have good waterproof performance and heat dissipation performance. And protection against mechanical vibration.

Utility model content

The purpose of the utility model is to provide an LED lighting fixture to solve the problems of sealing performance and poor waterproof performance of the existing LED lighting device.

An LED lighting fixture includes a lamp housing body, the lamp housing body is provided with a power component mounting portion, and the upper cover of the power component mounting portion is provided with an upper cover to form a sealed power supply cavity for accommodating the power component; The power component mounting portion is provided with a surrounding wall extending toward the inner side of the upper cover, between the outer bottom of the surrounding wall and the lower end of the upper cover, the top of the surrounding wall and the inner top of the upper cover and/or A sealing structure is tightly pressed between the inner side walls of the upper cover.

Preferably, the surrounding wall includes four side walls, wherein two opposite side walls extend to the inner side of the upper cover, and the other two opposite side walls extend to the inner side wall of the upper cover.

Preferably, the sealing structure is a sealing ring.

Preferably, the upper cover is fixed to the lamp housing body by screws.

Preferably, the lamp housing body is further provided with an inner recess to form a light-emitting component mounting portion, the light-emitting component comprises an LED module and a lens component, and the LED module is mounted in the inner recess, the lens component cover A closed light source cavity is formed on the inner concave portion.

Preferably, the lens assembly includes a lens and a pressure frame, and the periphery of the lens passes through the pressure frame It is fixed on the lamp housing body.

Preferably, a sealing structure is further disposed between the lens and the lamp housing body, and the sealing structure includes a sealing ring and a sealant disposed on one side of the sealing ring.

Preferably, the light emitting component mounting portion is disposed on a front surface of the lamp housing body, and the power component mounting portion is disposed on a back surface of the lamp housing body.

Preferably, the front surface of the lamp housing body is further arranged with a lamp post mounting hole.

Preferably, the power supply cavity is arranged with a terminal block and a module wiring structure, the connection terminal is disposed at a position opposite to the position of the lamp post mounting hole, and the arrangement position of the module wiring structure and the light source cavity Relative position.

Preferably, a power source and a lightning protection device are disposed in the power supply chamber, and the lightning protection device is disposed under the power source.

Compared with the prior art, the utility model has the following advantages:

1. The LED lighting fixture provided by the utility model realizes double-layer sealing by providing a sealing structure between the outer bottom of the surrounding wall and the lower end of the upper cover, the top of the surrounding wall and the inner top of the upper cover and/or the inner side wall of the upper cover. The sealing effect of the power supply cavity is further enhanced, and the waterproof performance is improved;

2. In the LED lighting fixture provided by the utility model, the power chamber and the light source chamber are two independent chambers which are respectively two independent chambers, which are beneficial to improve sealing performance and waterproof performance; meanwhile, the power chamber is located in the lamp housing body. The opposite side, the light source cavity and the lamp post mounting hole are located on the front side of the lamp housing body, so the terminal block and the module wiring structure in the power supply cavity can directly pass through the lamp housing main body, respectively, and the light pole in the sealed lamp post mounting hole The connection is connected with the LED module in the sealed light source cavity, thereby greatly improving the waterproof effect of the whole lamp.

DRAWINGS

1 is a schematic perspective view showing the structure of an LED lighting fixture provided by the present invention;

2 is a schematic diagram of splitting of an LED lighting fixture provided by the present invention;

3 is a schematic structural view of the LED lighting fixture provided when the upper cover is opened;

4 is a cross-sectional view of an LED lighting fixture provided by the present invention.

detailed description

Referring to the drawings showing embodiments of the invention, the invention will be described in more detail below. However, the invention may be embodied in many different forms and should not be construed as being limited to the embodiments set forth herein. Rather, these embodiments are presented so that this disclosure will be thorough and complete, and the scope of the invention is fully understood by those skilled in the art. In the drawings, the size and relative dimensions of layers and regions may be exaggerated for clarity.

1-4, the present invention provides an LED lighting fixture, comprising a lamp housing body 1 , the lamp housing body 1 is provided with a power component mounting portion, and the power module mounting portion upper cover is provided with an upper cover 2 to form a capacity a sealed power supply cavity of the power supply assembly; the power supply assembly mounting portion is provided with a surrounding wall extending upward from the upper cover 2, between the outer bottom of the surrounding wall and the lower end of the upper cover 2, the top of the surrounding wall and the inner top of the upper cover 2 and/or upper A sealing structure is pressed between the inner sidewalls of the cover.

The utility model realizes double-layer sealing by providing a sealing structure between the outer bottom of the surrounding wall and the lower end of the upper cover, the top of the surrounding wall and the inner top of the upper cover and/or the inner side wall of the upper cover, thereby further strengthening the sealing effect of the power supply cavity. , improved waterproof performance.

Referring to FIGS. 2-4, in the present embodiment, the upper cover 2 is composed of a top portion and four side walls, and the left and right side walls are inclined; the surrounding wall 101 on the power module mounting portion is configured according to the specific structure of the upper cover 2. Specifically, the specific surrounding wall 101 includes four side walls, wherein two opposite side walls extend to the inner side of the upper cover 2 with a sealing structure interposed therebetween, and the other two opposite side walls extend to the inner side of the upper cover 2 A sealing structure is pressed against the wall and pressed between them. Of course, in other embodiments, the structural form of the surrounding wall 101 is not limited to the above, and may be adjusted according to the structural form of the upper cover 2, and is not limited herein.

Further, the sealing structure is a sealing ring, and a sealing ring 9 is pressed around the top of the surrounding wall 101 and a ring inside the upper cover 2, and a sealing ring 11 is pressed between the outer bottom of the surrounding wall 101 and the upper end of the upper cover 2. .

In this embodiment, the upper cover 2 is directly fixed to the lamp housing main body 1 by screws. This connection method can better solve the cost, and only needs to provide a threaded hole in the upper cover 2 and the lamp housing main body 1, that is, Screw mounting is possible to save space.

In this embodiment, the lamp housing body 1 is further provided with an inner recessed portion 102 to form a light-emitting component mounting portion. The light-emitting component includes an LED module 301 and a lens assembly, and the LED module 301 is closely attached to the bottom of the inner recessed portion 102 ( To facilitate heat dissipation, the lens assembly is disposed on the inner recess 102 to form a sealed light source cavity.

Further, the lens assembly includes a lens 302 and a pressing frame 303. The pressing frame 303 is pressed on one turn of the lens 302, and the pressing frame 303 is fixed to the lamp housing main body 1 of the inner concave portion 102 by screws. The utility model provides The lens is fixed in a stable manner and is easy to install. A sealing structure is further disposed between the lens 302 and the lamp housing body 1 of the inner recess 102. The sealing structure includes a sealing ring and a sealant disposed on one side of the sealing ring, thereby ensuring a sealing effect of the light source cavity.

In the present embodiment, the lamp housing body 1 is further provided with a lamp post mounting hole 4, and the lamp post mounting hole 4 can be integrally formed with the lamp housing main body 1 without limitation. In this embodiment, the lamp post mounting hole 4 is a transverse hole. Of course, in other embodiments, it may be a vertical hole, which is not limited herein.

In this embodiment, the light emitting component mounting portion is disposed on the front surface (ie, the light emitting surface) of the lamp housing body, and the power component mounting portion is disposed on the back surface of the lamp housing body; that is, the power supply cavity and the light source cavity are respectively disposed on the opposite side of the lamp housing body and On the front side, the lamp post mounting hole 4 is also mounted on the front side of the lamp housing main body. The power supply cavity is provided with a terminal 8 and a module wiring structure 10, and the arrangement position of the terminal 8 is opposite to the position of the lamp mounting hole 4, and the arrangement position of the module wiring structure 10 is opposite to the position of the light source cavity; the terminal 8 is used for The power source 6 and the power source in the lamp pole are connected to charge the power source 6. The module wiring structure 10 is used to connect the power source 6 and the LED module in the light-emitting component to supply power thereto.

The power supply cavity and the light source cavity of the utility model are two independent chambers which are respectively two independent chambers, which are beneficial to improve sealing performance and waterproof performance; meanwhile, the power supply cavity is located on the opposite side of the lamp housing main body 1, the light source cavity and the light pole The mounting hole is located on the front surface of the lamp housing main body 1. Therefore, the terminal 8 and the module wiring structure 10 in the power supply cavity can directly pass through the lamp housing main body 1 and are respectively connected to the lamp post in the sealed lamp post mounting hole 4, and The LED modules in the sealed light source cavity are connected, thereby greatly improving the waterproof effect of the whole lamp.

In this embodiment, in addition to the power source 6, the power supply chamber is provided with a lightning protection device; a stud is arranged in the power supply cavity for the power supply, and in order to save power supply cavity space, the lightning protection device is arranged under the power supply 6 Between the columns.

Those skilled in the art will appreciate that the invention can be embodied in many other specific forms without departing from the spirit or scope. While the embodiments of the present invention have been described, it is understood that the invention is not to be construed as being limited to the embodiments, and those skilled in the art can make changes and modifications within the spirit and scope of the invention as defined by the appended claims. .

Claims

An LED lighting fixture, comprising: a lamp housing main body, wherein the lamp housing body is provided with a power component mounting portion, and the upper cover of the power component mounting portion is provided with an upper cover to receive the sealing of the power component a power supply chamber; the power supply assembly mounting portion is provided with a surrounding wall extending toward the inner side of the upper cover, between the outer bottom portion of the surrounding wall and the lower end of the upper cover, the top of the surrounding wall and the inner side of the upper cover A sealing structure is pressed between the top and/or the inner side wall of the upper cover.
The LED lighting fixture of claim 1 wherein said surrounding wall comprises four side walls, wherein two opposing side walls extend to the inside of said upper cover and the other two opposing side walls extend To the inner side wall of the upper cover.
The LED lighting fixture of claim 1 or 2, wherein the sealing structure is a sealing ring.
The LED lighting fixture of claim 1 wherein said upper cover is secured to said lamp housing body by screws.
The LED lighting fixture of claim 1 , wherein the lamp housing body further comprises an inner recess to form a light-emitting component mounting portion, the light-emitting component comprises an LED module and a lens component, and the LED module is mounted on In the inner recess, the lens assembly is disposed on the inner recess to form a sealed light source cavity.
The LED lighting fixture of claim 5, wherein the lens assembly comprises a lens and a pressure frame, and the periphery of the lens is fixed to the lamp housing body by the pressing frame.
The LED lighting fixture of claim 6, wherein a sealing structure is further disposed between the lens and the lamp housing body, the sealing structure comprising a sealing ring and a sealant disposed on a side of the sealing ring .
The LED lighting fixture according to claim 5, wherein the light emitting component mounting portion is provided on a front surface of the lamp housing main body, and the power source component mounting portion is disposed on a rear surface of the lamp housing main body.
The LED lighting fixture of claim 8, wherein the front side of the lamp housing body is further provided with a lamp post mounting hole.
The LED lighting fixture of claim 9 wherein said power supply chamber is arranged There is a terminal block and a module wiring structure, and the arrangement position of the terminal is opposite to the position of the lamp post mounting hole, and the arrangement position of the module wiring structure is opposite to the position of the light source cavity.
The LED lighting fixture of claim 1 wherein a power source and a lightning arrester are disposed within the power supply chamber, the lightning arrester being disposed below the power source.