CN208011673U - A kind of liquid silica gel LED illumination waterproof structure - Google Patents

Abstract

The utility model relates to a new waterproof structure of liquid silica gel LED lighting, which comprises an aluminum alloy shell, an LED lamp board and a light distribution lens. The housing is provided with an accommodating chamber, and the LED lamp board and the light distribution lens are fixed in the accommodating chamber. There is heat-conducting silica gel between the LED lamp board and the shell, the LED lamp board is provided with conductive wires, the bottom surface of the accommodating cavity is provided with conductive wire perforations, and the edge of the light distribution lens is provided with a first sealing groove for accommodating liquid silica gel and a housing The second sealing groove of the sealing ring, the light distribution lens and the housing form a double sealing structure. Due to the good fluidity of liquid silicone, good combination with the light distribution lens and the surface of the housing, the sealing performance is guaranteed, and the conductive wire perforation on the bottom of the chamber is also provided with a waterproof plug, so the sealing performance of the entire structure is further improved, and can be used in industrial and mining applications. , outdoor and other harsh environments. Good sealing performance will inevitably affect heat dissipation. There is thermal silica gel between the LED light board and the shell, which can quickly dissipate heat with the help of the aluminum alloy shell.

Description

A new waterproof structure of liquid silicone LED lighting

technical field

The utility model relates to the technical field of LED lighting, in particular to a novel waterproof structure of liquid silicone LED lighting.

Background technique

LED lighting fixtures have the advantages of energy saving, environmental protection, long service life, etc., and have been more and more widely used. LED lighting fixtures generally include housings, power supplies, LED light panels and light distribution lenses. When used for lighting in harsh environments, sealed Sex and waterproof performance are issues that must be considered, especially for outdoor lighting or industrial and mining lights. The existing technology generally sets a sealing ring between the light distribution lens and the housing. Although it can play a certain sealing effect, there are still room for improvement.

Utility model content

The purpose of the utility model is to provide a new waterproof structure of liquid silicone LED lighting with better sealing effect.

The utility model is realized in the following way: a new waterproof structure of liquid silicone LED lighting, including an aluminum alloy shell, an LED lamp board and a light distribution lens, the housing is provided with an accommodation cavity, and the LED lamp board and the light distribution lens are fixed on the In the accommodating cavity, the light distribution lens covers the LED lamp board, and heat-conducting silica gel is provided between the LED lamp board and the shell, and conductive wires are provided on the LED lamp board, and conductive wire perforations are provided on the bottom surface of the accommodating chamber, and the conductive wires are There is a waterproof plug between the conductive wire and the perforation. The edge of the light distribution lens is provided with a first sealing groove and a second sealing groove. The first sealing groove is used to accommodate liquid silicone, and the second sealing groove is used to accommodate the sealing ring. , the light distribution lens and the housing form a double sealing structure.

Wherein, a glue overflow groove is also provided outside the first sealing groove.

Wherein, the front of the housing is further provided with cooling fins, and the cooling fins and the housing are integrally formed by die-casting.

Wherein, the LED lamp board is fixed on the shell by screws, and the light distribution lens is fastened on the shell by buckles.

Wherein, the shell is strip-shaped, and a T-shaped fixing slot is provided on the back of the shell, and at least two sliders are slidably arranged in the T-shaped fixing slot.

Wherein, the waterproof structure further includes an external power supply, the external power supply is electrically connected to the LED light board through conductive wires, and the power supply is slidably arranged on the T-shaped fixing slot.

The beneficial effect of the utility model is that: the aluminum alloy shell is provided with an accommodation cavity, the LED lamp board and the light distribution lens are fixed in the accommodation cavity, and the edge of the light distribution lens is provided with a first sealing groove and a second sealing groove , the first sealing groove is used to accommodate the liquid silica gel, and the second sealing groove is used to accommodate the sealing ring. The light distribution lens and the housing form a double sealing structure. Due to the good fluidity of the liquid silica gel, it is combined with the light distribution lens and the surface of the housing Good performance and guaranteed sealing performance, waterproof plugs are also provided at the perforations of the conductive wires on the bottom of the housing chamber, so the sealing performance of the entire structure is further improved, and can be applied in harsh environments such as industrial mining and outdoors. Good sealing performance will inevitably affect heat dissipation. There is thermal silica gel between the LED light board and the shell, which can quickly dissipate heat with the help of the aluminum alloy shell.

Description of drawings

Fig. 1 is a perspective view of Embodiment 1 of the new waterproof structure of liquid silicone LED lighting described in the utility model;

Fig. 2 is a front view of Embodiment 1 of the new waterproof structure of liquid silicone LED lighting described in the utility model;

Fig. 3 is a cross-sectional view of Embodiment 1 of the liquid silicone LED lighting novel waterproof structure described in the utility model;

Figure 4 is an enlarged view of A in Figure 3;

Fig. 5 is a cross-sectional view of Embodiment 2 of the liquid silicone LED lighting new waterproof structure of the utility model.

Among them, 1. Shell; 11. Accommodating cavity; 12. Conductive wire perforation; 13. Heat dissipation fin; 14. T-shaped fixing slot; 2. LED light board; 1 sealing groove; 32, the second sealing groove; 33, overflow glue groove; 4, thermal silica gel; 5, waterproof plug; 6, liquid silica gel; 7, sealing ring; 8, slider; 9, power supply.

Detailed ways

In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

As the first embodiment of the new waterproof structure of liquid silicone LED lighting in the utility model, as shown in Fig. The housing cavity 11, the LED lamp board 2 and the light distribution lens 3 are fixed in the housing chamber 11, the light distribution lens 3 covers the LED lamp board 2, and a heat-conducting silica gel 4 is arranged between the LED lamp board 2 and the housing 1, and the Conductive wires 21 are provided on the LED lamp board 2, conductive wire perforations 12 are provided on the bottom surface of the accommodating cavity 11, a waterproof plug 5 is provided between the conductive wires 21 and the conductive wire perforations 12, and a second edge of the light distribution lens 3 is provided. A sealing groove 31 and a second sealing groove 32, the first sealing groove 31 is used to accommodate the liquid silicone 6, the second sealing groove 32 is used to accommodate the sealing ring 7, and the light distribution lens 3 and the housing 1 form a double sealing structure .

The light distribution lens 3 and the housing 1 form a double-sealed structure. Because the liquid silicone 6 has good fluidity, it has a good combination with the surface of the light distribution lens 3 and the housing 1, and the sealing performance is guaranteed. The conductive wires on the bottom surface of the housing chamber 11 are perforated at 12 places A waterproof plug 5 is also provided, so the sealing performance of the whole structure is further improved, and can be applied in harsh environments such as industrial mining and outdoors. Good sealing performance will inevitably affect heat dissipation. There is a heat-conducting silica gel 4 between the LED light board 2 and the casing 1, which can quickly dissipate heat with the help of the aluminum alloy casing 1.

In this embodiment, a glue overflow groove 33 is provided outside the first sealing groove 31 , which can effectively prevent glue overflow during installation and has good sealing performance.

In the prior art, heat dissipation fins are generally arranged on the back of the housing, but this will increase the thickness of the lamp, making it difficult to make large and thin products. In this embodiment, the front of the housing 1 is also provided with heat dissipation fins 13, the heat dissipation fins 13 and the housing 1 are integrally die-cast, the heat dissipation area can be made larger, the heat dissipation performance is guaranteed, and the thickness can be effectively reduced. Thin.

In this embodiment, the LED lamp board 2 is fixed on the casing 1 by screws, and the light distribution lens 3 is fastened on the casing 1 by buckles.

As the second embodiment of the new waterproof structure of the liquid silicone LED lighting described in the present invention, as shown in Figure 5, the difference from the first embodiment is that the outer shell 1 is elongated (the length is several times the width), and the outer shell 1 A T-shaped fixing groove 14 is provided on the back side of the body, and at least two sliders 8 are slidably arranged in the T-shaped fixing groove 14 . When the light fixture is hoisted, the two sliders 8 are respectively connected with two external fixed ropes, and the angle of the fixed ropes can be adjusted through the sliders 8, which is convenient and reliable to adjust.

In this embodiment, an external power supply 9 is also included, the external power supply 9 is electrically connected to the LED light board 2 through a conductive wire 21, and the power supply 9 is slidably arranged on the T-shaped fixing slot 14, which can be used for complex installation Adjust the position according to the environment.

The above descriptions are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the present utility model shall be included in this utility model. within the scope of protection of utility models.

Claims (6)

1. a kind of liquid silica gel LED illumination waterproof structure, including aluminum alloy casing, LED lamp panel and light-distribution lens, feature It is, the shell is equipped with accommodating chamber, and LED lamp panel and light-distribution lens are each attached in the accommodating chamber, light-distribution lens covering LED lamp panel is equipped with heat conductive silica gel between LED lamp panel and shell, the LED lamp panel is equipped with conductor wire, and accommodating chamber bottom surface is equipped with Conductor wire is perforated, and waterproof plug is equipped between the conductor wire and conductor wire perforation, and the light-distribution lens edge is equipped with the first sealing Slot and the second seal groove, the first seal groove is for housing liquid silica gel, and for the second seal groove for housing sealing ring, the light distribution is saturating Mirror forms double sealing structure with shell.

2. waterproof structure according to claim 1, which is characterized in that be additionally provided with excessive glue on the outside of first seal groove Slot.

3. waterproof structure according to claim 1, which is characterized in that the outer casing frontispiece is additionally provided with radiating fin, The radiating fin is molded with shell integrated die-casting.

4. waterproof structure according to claim 1, which is characterized in that the LED lamp panel is fixed by screws in outer On shell, light-distribution lens are by buckling clamping on the shell.

5. waterproof structure according to claim 1, which is characterized in that the shell is strip, the back side of shell Equipped with T shape fixing grooves, at least two sliding blocks are slidably arranged in T shape fixing grooves.

6. waterproof structure according to claim 5, which is characterized in that further include external power supply, the external power supply It is electrically connected with LED lamp panel by conductor wire, the power supply is slidably arranged in T shape fixing grooves.