CN203797461U - Waterproof LED lamp - Google Patents

Abstract

The utility model relates to a waterproof LED lamp. The waterproof LED lamp comprises a base and a shell installed on the base. A printing circuit board is fixed inside the shell. One side, dead against the shell, of the printing circuit board is provided with at least one LED lamp bead, and the space between one face, away from the shell, of the printing circuit board and the base is filled with resin adhesive. The shell is of an integrated structure. The waterproof LED lamp has the advantages that the shell above the printing circuit board is of the integrated structure, the space below the printing circuit board is filled with the resin adhesive, and therefore a good waterproof effect is guaranteed. The resin adhesive will not make direct contact with the LED lamp bead, weaken the light intensity of the LED lamp bead and affect normal heat dissipation of the LED lamp bead, so that the service life of the LED lighting lamp is effectively prolonged, and the illumination effect is effectively improved; the production technology is simplified, production efficiency is improved, and the waterproof LED lamp has good application prospects and is convenient to apply and popularize on a large-scale.

Description

A waterproof LED lamp

technical field

The invention relates to a waterproof LED lamp.

Background technique

With the development of economy and society and the improvement of LED technology, LED lamps have been more and more widely used in people's daily life, LED lighting equipment has been more and more used in various outdoor occasions, such as outdoor landscape lighting lighting, lighting and large building lighting, etc. In order to solve the problem that outdoor LED lighting fixtures are easily damaged by rainwater, in the prior art, the lamps are generally sealed and packaged, that is, resin glue is poured into both sides of the printed circuit board (PCB) on which the LED lamp beads are installed, so that the water droplets Do not directly contact with LED lamp beads and circuit boards to achieve waterproof effect. However, due to the low thermal conductivity of the resin glue, the heat emitted by the LED lamp beads cannot be dissipated in time, resulting in a large light decay of the LED lamp beads and a short service life; in addition, because the LED lamp beads are completely covered by the resin glue Cover, after a certain period of use, the resin glue is easy to be contaminated with dust, the light transmittance is weakened, and the brightness of the entire LED lamp will also weaken a lot.

Contents of the invention

The purpose of the utility model is to provide a waterproof LED lamp to solve the technical problems existing in the prior art such as poor heat dissipation, severely weakened light intensity, and short service life of LED lamp beads. the

For realizing above-mentioned purpose of the invention, the utility model adopts following technical scheme:

A waterproof LED lamp, comprising a base and a housing mounted on the base, a printed circuit board is fixed inside the housing, and at least one LED lamp is provided on the side of the printed circuit board facing the housing Beads, resin glue is filled between the side of the printed circuit board away from the housing and the base, and the housing is an integrated structure.

The shape and size of the connection between the printed circuit board and the housing are the same as or corresponding to those of the printed circuit board.

A sealing ring is provided at the connection between the printed circuit board and the housing.

The printed circuit board is fixed on the casing by at least two screw rods or screws.

The housing is fixed on the base by at least two screw rods or screws.

The base is provided with at least one line of card slots.

The waterproof LED lamp also includes at least a cable with a wire card, the wire card is fixed on the wire card groove, and the cable is electrically connected to the printed circuit board through the wire card.

One end of the cable is connected to the line card, and the other end is connected to a wiring plug.

The connecting plug is a pin female connector or a jack male connector.

A lampshade is fixed above the housing.

The utility model has the advantage that the shell above the printed circuit board is an integrated structure, and the resin glue is poured under the printed circuit board to ensure good waterproof effect; the resin glue will not directly contact with the LED lamp beads, and will not weaken the LED lamp beads The light intensity will not affect the normal heat dissipation of LED lamp beads, which effectively prolongs the service life and lighting effect of LED lighting fixtures, simplifies the production process, improves production efficiency, has good application prospects, and is convenient for large-scale promotion and application .

Description of drawings

Fig. 1 is the exploded view of the structure of the base and the shell part of the utility model embodiment 1;

Fig. 2 is a cross-sectional view of the structure of the base and the housing part of Embodiment 1 of the utility model;

Fig. 3 is an exploded view of the overall structure of the utility model embodiment 1;

Fig. 4 is the overall structure schematic diagram of the utility model embodiment 1;

Fig. 5 is an exploded view of the structure of the base and the shell part of Embodiment 2 of the utility model;

Fig. 6 is the overall structure schematic diagram of the utility model embodiment 2;

The numbers in the figure are as follows: 1. Base; 2. Shell; 3. Printed circuit board; 4. LED lamp bead; 5. Sealing ring; 6. Resin glue; 7. Lampshade; 11. Line card slot; Slot; 21, line card; 22, line card; 31, cable; 32, cable; 41, pin female connector; 42, jack male connector.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail.

Example 1

As shown in Figure 1, Figure 2, Figure 3, and Figure 4, the utility model provides a waterproof LED lamp, which includes a base 1 and a housing 2 installed on the base 1, the housing 2 is connected by at least two screws or The screws are fixed on the base 1 to ensure a good fixing effect between the base 1 and the housing 2 . The shell 2 is made of acrylic transparent material, which is easy to process and low in cost, ensuring that the light transmission effect is good enough; the shell 2 is an integrated structure, which can ensure that the lampshade part will not enter water in rainy days.

A printed circuit board 3 is fixed inside the housing 2, and the shape and size of the connection between the printed circuit board 3 and the housing 2 are the same as or corresponding to those of the printed circuit board. The printed circuit board 3 is fixed on the housing by at least two screws or screws, so as to ensure a good fixing effect of the printed circuit board 2 .

The side of the printed circuit board 3 facing the housing 2 is provided with at least one LED lamp bead 4 , and the LED lamp bead 4 can emit light normally after the power is turned on. There is no resin glue around the LED lamp bead 4, and the heat dissipation is good, and the light intensity will not be weakened due to dust contamination after a period of use.

The printed circuit board 3 is provided with a power supply module to provide power for the LED lamp bead 4 to emit light; the printed circuit board 3 is provided with a control circuit module to control the LED lamp bead 4 to emit light, the power supply module, the control circuit module and the LED The lamp beads 4 can be arranged on the same side or the opposite side of the printed circuit board 3 .

The connection between the printed circuit board and the housing is provided with a sealing ring 5, the sealing ring 5 is an elastic rubber ring, which ensures that the printed circuit board 3 and the housing 2 form a closed space, and ensures that the printed circuit board 2 and the housing The junction of body 2 will not enter water.

The space between the side of the printed circuit board 3 away from the housing 2 and the base 1 is filled with resin glue 6 . A glue filling hole (not shown) is provided on the housing 2. During the processing of the utility model, resin glue 6 is poured into the space surrounded by the printed circuit board 3 and the base 1 through the glue filling hole to ensure that the printed circuit board 3 does not One side with the LED lamp bead 4 is sealed by resin glue to prevent the electronic components or circuits on the printed circuit board 3 from getting wet and causing the utility model to be damaged.

The base 1 is provided with at least one line card slot, preferably two, which are the line card slot 11 and the line card slot 12 respectively. The utility model also includes at least one cable with a line card, preferably two cables, which are respectively a cable 31 and a cable 32; two corresponding line cards are respectively a line card 21 and a line card 22; the line card 21 is fixed On the line card slot 11 , the line card 22 is fixed on the line card slot 12 .

The two cables 31 and 32 are electrically connected to the printed circuit board 3 through the line card 21 and the line card 22 respectively; one end of one cable 31 is connected to the line card 21, and the other end is connected to a pin female connector 41 ; One end of another cable 32 is connected to the line card 22, and the other end is connected to a jack male connector 42; the pin female connector 41 and the jack male connector 42 are all wiring plugs. The external power supply is electrically connected to the power supply module of the printed circuit board 3 through the cables 31, 32, and is used to supply power for the utility model; the control circuit is electrically connected to the control module of the printed circuit board 3 through the cables 31, 32, It is used to provide remote control signals for the utility model.

Example 2

As shown in Figure 5 and Figure 6, most of the technical solutions of this embodiment are the same as those of Embodiment 1, and the difference is that a lampshade 7 can be fixed on the top of the housing 2, and the lampshade 7 is an integrated structure and is also made of transparent material Made to ensure that the light transmission effect is good enough; the lampshade 7 can be spherical or hemispherical, so that the lamp of the present utility model emits light more uniformly; the joint between the lampshade 7 and the housing 2 is well sealed, which can further improve the waterproof performance of the present utility model.

The above is only a preferred embodiment of the utility model, so that those skilled in the art can more clearly understand how to practice the utility model, although the utility model has been described in conjunction with its preferred specific embodiments, these embodiments are just illustrations, Rather than limiting the scope of the present utility model. For those skilled in the art, without departing from the principle of the utility model, some improvements and modifications can also be made, and these improvements and modifications should also be regarded as the protection scope of the utility model. the

Claims (10)

1. a waterproof LED lamp, comprise a base and be arranged on the housing on described base, it is characterized in that, in described housing, be fixed with a printed circuit board (PCB), described printed circuit board (PCB) is provided with at least one LED lamp pearl over against the one side of described housing, described printed circuit board (PCB) is away from the full resin glue of perfusion between the one side of described housing and described base, and described housing is integrated.

2. waterproof LED lamp as claimed in claim 1, is characterized in that, the shape of shape, size and the described printed circuit board (PCB) of described printed circuit board (PCB) and described housing junction, measure-alike or corresponding.

3. waterproof LED lamp as claimed in claim 1, is characterized in that, described printed circuit board (PCB) and described housing junction are provided with a sealing ring.

4. waterproof LED lamp as claimed in claim 1, is characterized in that, described printed circuit board (PCB) is fixed on described housing by least two screw rods or screw.

5. waterproof LED lamp as claimed in claim 1, is characterized in that, described housing is fixed on described base by least two screw rods or screw.

6. waterproof LED lamp as claimed in claim 1, is characterized in that, described base is provided with at least one line card groove.

7. waterproof LED lamp as claimed in claim 6, is characterized in that, also comprises at least one cable with line card, and described line card is fixed on described line card groove, and described cable is electrically connected to described printed circuit board (PCB) by line card.

8. waterproof LED lamp as claimed in claim 7, is characterized in that, described cable one end is connected on line card, and its other end is connected with a connection plug.

9. waterproof LED lamp as claimed in claim 8, is characterized in that, described connection plug is contact pin female joint or jack male joint.

10. waterproof LED lamp as claimed in claim 1, is characterized in that, described housing top is fixed with a lampshade.