WO2019200988A1

WO2019200988A1 - Lighting guard device and led lighting module

Info

Publication number: WO2019200988A1
Application number: PCT/CN2019/071947
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: 2018-04-20
Filing date: 2019-01-16
Publication date: 2019-10-24
Also published as: CN208058588U

Abstract

A lighting guard device, comprising: a glass guard shield, a heat-radiating component, and a detachable ready-packaged component. The heat-radiating component is provided with a mounting position of an LED lighting component. The glass guard shield is engaged with the heat-radiating component by means of the detachable ready-packaged component. The LED lighting component is sealed between the glass guard shield and the heat-radiating component. The glass guard shield is connected to the heat-radiating component in an engagement manner by means of the detachable ready-packaged component so that the LED lighting component is sealed between the glass guard shield and the heat-radiating component. The glass guard shield can protect the LED lighting component well, and has advantages of dustproof, grease proof, and easy to clean. In addition, the engagement mode also facilitates assembling and disassembling between the glass guard shield and the heat-radiating component. Moreover, no auxiliary tool is required for the assembly and disassembly process. Furthermore, it is easy to perform spray paint by designing the heat-radiating component structure.

Description

Lighting protection device and LED lighting module

Technical field

The present invention relates to the field of lighting technologies, and in particular, to a lighting protection device and an LED lighting module.

Background technique

With the advancement of society, the design requirements of LED lighting devices are getting higher and higher. Due to the different locations of LED lighting devices, the structure of LED lighting devices has also changed. Generally, an LED illumination device amplifies and disperses light emitted from an illuminant of an LED lamp through an external lens, but after the LED illumination device is used in a normal period, it is preferably in a relatively poor application environment. After use, for example, the tunnel light, the use environment of the tunnel light is more complicated, the LED lighting device will generate oil, dust and other problems during use, thereby affecting the brightness of the LED lighting device, and even causing the line inside the LED lighting device to malfunction. , thereby increasing the failure rate of the LED lighting device.

Summary of the invention

In order to better protect the LED lighting device and facilitate assembly, the present application provides an illumination protection device and an LED lighting module.

According to a first aspect, an embodiment provides an illumination protection device including: a glass shield, a heat dissipation component, and a detachable quick assembly;

The heat dissipating component is provided with a mounting position of the LED lighting component, the glass shielding cover and the heat dissipating component are engaged by the detachable quick assembly, and the LED lighting component is sealed between the glass shielding cover and the heat dissipating component.

In one embodiment, the detachable quick-release component is a plurality of independent snap fasteners, and the edges of the glass shield and the heat-dissipating component are respectively marked with a latching position matched with the latching component, and the glass shield cover is disposed on the heat dissipating component. After the mounting position, the snap member is snapped into the latching position to seal the glass shield and the heat sink assembly.

In one embodiment, the open end of the glass shield has an extended edge for the snap fastener to snap.

In one embodiment, the circumference of the extended side is provided with a groove, and one end of the latching member contacting the extended side is provided with a protrusion that is engaged with the groove.

In one embodiment, one end of the latching member that contacts the card slot of the heat dissipating component is provided with a card protrusion, and the card protrusion and the card position are respectively provided with auxiliary bevels.

In one embodiment, the latching member has a U-shaped structure, wherein a side of the latching member contacting the glass shield and a side of the latching member contacting the heat dissipating component are not equal, specifically, the latching member and the glass shield The length of the contact side is the same as the length of the extended side of the glass shield, and the length of the side of the fastener contacting the heat dissipating component matches the card position of the heat dissipating component, and the width of the upper and lower sides of the U-shaped structure of the latching member is an extended side The height and the height of the edge of the heat dissipating component; by designing the length and width of the U-shaped structure of the snap member, the gap between the glass shield, the snap member and the heat dissipating component is not left, and the sealing is better effect.

In one embodiment, the glass shield has a cavity structure that is open at one end.

In one embodiment, the glass shield is an arcuate cavity structure that is open at one end.

In one embodiment, a sealing ring is further included, and the heat dissipating component is provided with a concave ring along an edge of the glass shield that is in contact therewith, and the sealing pressing ring is pressed into the concave ring.

In one embodiment, the heat dissipating component is provided with a plurality of limit tabs along the edge of the recess.

In one embodiment, the heat sink assembly includes a plurality of heat sink fins.

In one embodiment, the heat sink fins are provided with a notch.

According to a second aspect, an LED illumination module includes a lens group, a substrate, and an LED component, and further includes the illumination protection device of any one of the above, the illumination protection device includes a glass shield, The heat dissipating component and the detachable quick-installing component, the substrate is mounted on the mounting position of the heat dissipating component, the LED component is soldered on the substrate, the lens group and the LED component are respectively disposed on the LED component, and the glass protective cover and the heat dissipating component pass The quick-release assembly is snapped, and the lens group and the LED element are sealed between the glass shield and the heat dissipation component.

According to the illumination protection device of the above embodiment, the glass shield and the heat dissipation component are connected by a detachable quick-fit assembly in a snap-fit manner, so that the LED illumination component is sealed between the glass shield and the heat dissipation component. . The glass protective cover can not only protect the LED lighting component, but also has the advantages of dustproof, oilproof and easy to scrub. In addition, the assembly and disassembly between the glass protective cover and the heat dissipating component are facilitated by the snapping method. Moreover, no auxiliary tools are needed in the process of assembly and disassembly; further, by designing the structure of the heat dissipating component, it is easy to spray.

DRAWINGS

1 is a schematic view showing the overall structure of an illumination protection device;

Figure 2 is an exploded view of the lighting protection device;

Figure 3 is a schematic view showing the structure of a glass shield;

Figure 4 is a schematic structural view of a snap member;

Figure 5 is a cross-sectional view showing the manner in which the snap fastener is mounted;

Figure 6 is a partial enlarged view of the heat dissipating component;

7 is a schematic view showing a cooperation between a snap member and a heat dissipation component;

8 is a schematic structural view of an LED lighting module of Embodiment 2.

detailed description

The present invention will be further described in detail below with reference to the accompanying drawings.

In the embodiment of the present invention, the lighting protection device is designed to be easy to assemble and scrub, so that the lighting protection device can protect the LED lighting component from oil, dust, water and the like in an all-round way to improve the service life of the LED lighting component. light intensity.

Embodiment 1:

The present invention provides a lighting protection device, which is shown in FIG. 1 and includes a glass shield 1, a heat dissipating component 2 and a detachable quick assembly 3, wherein the heat dissipating component 2 is provided with a mounting position of the LED lighting component. The glass protective cover 1 and the heat dissipating component 2 are engaged by the disassembly and quick assembly 3, so that the LED lighting component is sealed between the glass protective cover 1 and the heat dissipating component 2, and the LED lighting component is protected from dust and oil by the glass protective cover 1. And other protection.

In order to embody the design features of the illumination protection device of the present example, the explosion protection diagram of the illumination protection device of this example is as shown in FIG. 2, and the detachable quick assembly 3 of the present example is preferably a plurality of independent fastening members. In order to cooperate with the fastening component, the edge of the glass protection cover 1 contacting the heat dissipation component 2 is respectively marked with a locking position matched with the fastening component, and the glass shielding cover 1 is disposed on the mounting position of the heat dissipation component 2, and is utilized. The latching member is engaged with the latching position to seal the glass shield 1 and the heat dissipating component 2.

Preferably, in order to facilitate the sealing and sealing of the glass shield 1 and the heat dissipating component 2, the open end of the glass shield 1 has an extended edge 11 for fastening the snap fastener. The specific structure of the glass shield 1 is as shown in FIG. The glass shield 1 of the present example is made of tempered glass and is formed by a hot bending process. The glass shield 1 has an arc-shaped cavity structure with an open end, and the arc-shaped cavity space structure is reserved for the LED lighting component mounted on the heat dissipation component 2. The space. In other embodiments, the glass shield 1 can also be fabricated into other shape cavity structures as long as a certain space is reserved for the LED lighting assembly.

In one solution, in order to enable the snap member to be firmly engaged with the glass shield 1, a groove may be provided on the circumference of the extended edge 11, and the groove may be independently disposed along the circumference of the extended edge 11, and the groove may also be It may be continuous and continuous along the circumference of the extended side 11 and designed as a recess. The end of the latching member contacting the extended side 11 is provided with a protrusion that is engaged with the groove.

In another solution, in order to ensure that the latching member and the heat dissipating component 2 can be firmly engaged, the end of the latching member that is in contact with the latching position 21 of the heat dissipating component 2 is designed as a latch 31, in order to make the latching of the latching component 31 can be smoothly engaged with the card position 21 of the heat dissipating component 2, and the card protrusion 31 and the card position 21 are respectively provided with auxiliary bevels, so that the carding operation can be smoothly completed between the card and the heat dissipating component 2 through the auxiliary bevel .

In practical applications, the matching design between the snap member and the glass shield 1 and the heat dissipating component 2 can be designed according to any one of the above two schemes or a combination of the two schemes according to actual needs.

In other embodiments, the connecting portion of the snap member, the glass shield 1 and the heat dissipating component 2 can also be deformed, and the sealing between the glass shield 1 and the heat dissipating component 2 can be realized in other forms than the specific structure of the present example. The snap-on, the sealing and snapping manner after the deformation is also within the scope of the present invention.

In this example, the latching member 31 is designed at one end of the latching member and the heat dissipating component 2, so that the latching member and the heat dissipating component 2 are engaged by the latching projection 31, and the latching member and the extended edge 11 of the glass shield 1 are The structure of the snap fastener of this example is shown in FIG. 4 directly through the surface-to-surface contact. In this connection mode, the detachable quick assembly 3 of the present example is composed of a plurality of independent fastening members, and the fastening member is a plastic member, and an independent injection molding process is used for independent injection molding, and the independent fastening member The flexible shielding between the glass shield 1 and the heat dissipating component 2 can be realized. For example, a plurality of latching members can be flexibly latched at various positions of the glass shield 1 , so that the glass shield 1 is placed on the heat dissipating component 2 . The positional requirements are lowered, that is, the glass shield 1 can be flexibly placed on the heat sink assembly 2. FIG. 5 is a cross-sectional view showing the mounting manner of the buckle of the present embodiment. The independent latching member is preferably U-shaped, and a side 32 of the latching member contacting the glass shield 1 and the latching member are in contact with the heat dissipating component 2. The length of the side 32 of the fastener member contacting the glass shield 1 is designed to be the length of the extended edge 11 of the glass shield 1 , and the length of the side 33 of the fastener member contacting the heat dissipation component 2 is designed to be heat-dissipating. The card position 21 of the component 2 is matched; the width between the upper and lower sides of the latching member is designed as the sum of the height of the extended edge 11 of the glass shield 1 and the height of the side of the heat dissipating component 2; the length and width of the latching member are designed for the purpose The glass shield and heat sink assembly are better sealed without gaps.

In a preferred embodiment, in order to sealably engage the glass shield 1 and the heat dissipating component 2, the present example further includes a sealing press ring 4, and the heat dissipating component 2 is provided with a recess 22 along the edge of the glass shield 1 in contact therewith. The sealing ring 4 is pressed into the recess 22.

It should be noted that, in addition to improving the sealing between the glass shield 1 and the heat dissipating component 2 by sealing the pressing ring 4, the present embodiment also selects the material of the glass shield 1 as tempered glass and a glass shield. 1 The card is fastened by the snap member between the heat dissipating component 2, and the sealing effect between the glass shield 1 and the heat dissipating component 2 is comprehensively improved for the following reasons.

The glass cover 1 is made of tempered glass, which is not easy to punch. Therefore, the detachable quick assembly 3 of the present example is a snap member, so that the glass cover 1 can be prevented from being punched, and thus the glass cover can be avoided. There will be no gaps on the 1st, so the sealing effect will not be affected. In addition, the snap-on seal can be removed by hand to avoid installation and maintenance by means of tools; when using a screw seal, the tool needs to be disassembled and the screw seal is used. A relative mounting hole is required between the glass shield 1 and the heat dissipating component 2, so that a gap is left, which affects the sealing effect.

A partially enlarged view of the heat dissipating component 2 of this example is shown in FIG. 6. In order to enhance the robustness of the glass shield 1 and the heat dissipating component 2 after being snapped, the heat dissipating component 2 of the present example has a plurality of limits along the edge of the recess 22. The tab 23 is configured to block the extended edge 11 of the glass shield 1 by the limiting tab 23. Preferably, the number of the limiting tabs 23 is four, and the four corners are disposed on the outer sides of the recess 22 respectively.

The heat dissipating component 2 further includes a plurality of heat dissipating fins 24, which are regularly distributed under the mounting position of the heat dissipating component 2. In other embodiments, the heat dissipating fins 24 may also be randomly distributed. The fins 24 are provided with a notch.

The matching connection diagram of the fastening component of the present example and the heat dissipating component 2 is as shown in FIG. 7 , wherein the card position 21 disposed under the mounting position of the heat dissipating component 2 is located between two adjacent cooling fins 24, when the fastening component is When the card protrusion 31 is connected to the card position 21, the side 33 of the card member contacting the heat dissipation component 2 is located between the two adjacent heat dissipation fins 24; while the glass shield 1 and the heat dissipation component 2 are sealed and sealed, In order to increase the heat dissipation effect, a large number of heat dissipation fins 24 are required, and the spacing between adjacent heat dissipation fins 24 is small. Therefore, in order to ensure the heat dissipation effect, in order to accommodate the small spacing between the adjacent heat dissipation fins 24, the buckle of the present example has a relatively small size, that is, the card of this example. The fastener has a small volume.

Preferably, the heat dissipation component 2 is further provided with heat dissipation fins 24 between the pair of opposite card positions 21 to improve the heat dissipation effect.

Through the illumination protection device provided in this example, the glass shield 1 and the heat dissipation assembly 2 are locked by a separate snap seal, which greatly facilitates the assembly between the glass shield 1 and the heat dissipation assembly 2. And the disassembly, and the glass protective cover 1 can well protect the LED lighting component mounted on the heat dissipating component 2 with protective oil, antifouling, etc. In addition, the glass protective cover 1 is also easy to scrub.

Embodiment 2:

Based on the first embodiment, the present embodiment provides an LED lighting module. The exploded view is as shown in FIG. 8 , and includes an illumination protection device and an LED illumination assembly. The illumination protection device includes a glass protection cover 1 , a heat dissipation component 2 , and a detachable component. The quick-fit assembly 3 and the sealing press ring 4, regarding the specific structural design, the mating connection relationship and the principle description of the glass shield 1, the heat dissipating component 2, the detachable quick-fit assembly 3 and the sealing press ring 4, refer to the first embodiment, this example Without further elaboration, the LED lighting assembly includes the lens group 5, the substrate 6 and the LED element 7. The specific working principle of the LED lighting assembly of this example is well known to those skilled in the art, and will not be described in this example.

In the following, this example mainly describes the matching installation mode of the LED lighting component and the lighting protection device, so that the lighting protection device can protect the LED lighting component from oil, dirt and dust.

Specifically, after the sealing press ring 4 is pressed into the recess 22 in the heat dissipating component 2, the substrate 6 is fixed to the mounting position of the heat dissipating component 2 by screws, wherein a plurality of LED components 7 are pre-selected and soldered on the substrate 6. The plurality of LED elements 7 are arranged according to a certain rule; the lens group 5 is in one-to-one correspondence with the LED elements 7 on the LED element 7; then, the glass cover 1 and the heat dissipation assembly 2 are passed through the detachable quick assembly 3 Finally, the waterproof wire 8 is connected to the heat dissipation assembly 2 through the threaded pipe 9.

Since the lens group 5 and the LED element 7 are sealed between the glass shield 1 and the heat dissipation component 2, the glass shield 1 can protect the LED lighting component from oil, dirt and the like.

The invention has been described above with reference to specific examples, which are merely intended to aid the understanding of the invention and are not intended to limit the invention. For the person skilled in the art to which the invention pertains, several simple derivations, variations or substitutions can be made in accordance with the inventive concept.

Claims

A lighting protection device, comprising: a glass shield, a heat dissipating component and a detachable quick assembly;

The heat dissipating component is provided with a mounting position of the LED lighting component, the glass shielding cover and the heat dissipating component are engaged by the detachable quick assembly, and the LED lighting component is sealed between the glass shielding cover and the heat dissipating component between.
The illuminating protection device of claim 1 , wherein the detachable quick-release assembly is a plurality of independent snap members, and the edges of the glass shield that are in contact with the heat dissipation assembly are respectively labeled and a latching portion of the latching member, after the glass shield is disposed on the mounting position of the heat dissipating component, the latching member is engaged with the latching position to seal the glass shield and the heat dissipating component Card access.
The lighting protection device according to claim 2, wherein the open end of the glass shield has an extended side for fastening the snap member.
The illumination protection device according to claim 3, wherein a circumference of the extended side is provided with a groove, and one end of the latching member contacting the extended side is provided with a convex portion that is engaged with the groove Start.
The illumination protection device according to claim 3 or 4, wherein one end of the latching member that is in contact with the latching portion of the heat dissipating component is provided with a card protrusion, and the card protrusion and the card position are respectively provided with auxiliary bevels. .
The illumination protection device of claim 1 wherein said glass shield has a cavity structure that is open at one end.
The illumination protection device of claim 6 wherein said glass shield is an arcuate cavity structure that is open at one end.
The illuminating protection device according to any one of claims 1 to 4, further comprising a sealing pressing ring, wherein the heat dissipating component is provided with a concave ring along an edge of the glass hood that is in contact therewith, the sealing pressure The ring is pressed into the recess.
The illumination protection device of claim 8 wherein said heat dissipating component is provided with a plurality of limit tabs along an edge of said recess.
The illumination protection device of claim 1 wherein said heat dissipation assembly comprises a plurality of heat dissipation fins.
The illumination protection device according to claim 10, wherein the heat dissipation fin is provided with a notch.
An LED lighting module comprising a lens group, a substrate and an LED component, characterized by further comprising the illumination protection device according to any one of claims 1 to 11, the illumination protection device comprising a glass shield and a heat dissipation component And a detachable quick assembly, the substrate is mounted on the mounting position of the heat dissipating component, the LED component is soldered to the substrate, and the lens group and the LED component are respectively disposed in a one-to-one correspondence On the LED component, the glass shield and the heat dissipation component are engaged by a detachable quick assembly, and the lens group and the LED component are sealed between the glass shield and the heat dissipation component.