CN205655158U - Throw LED lamp - Google Patents

Abstract

The utility model provides a throw LED lamp, including printing opacity glass lid, multiunit LED light source, power pack, main body cover and supporting base frame, the integrative injection molding in main body cover front side has the light source for cavity of being convenient for install the LED light source, and the integrative injection molding of main body cover rear side has heat radiation fins, side light is provided with the heat conduction bar on holding the bottom surface in chamber before the main body cover, installs multiunit and the electric LED light source of being connected of power pack on the plane of heat conduction bar, be equipped with in the light source for cavity and cooperate respectively and directly follow the small -size reflector that printing opacity glass lid reflects away with the light that the every LED of group light source produced with the every LED of group light source, through with the small -size reflector of the every LED of group light source complex, can be effectual reflect farther distance with the LED light source, increase the searchlighting distance of lamp, improve the illuminating effect.

Description

A projection LED light

【Technical field】

The utility model relates to semiconductor lighting technology, in particular to a projection LED lamp.

【Background technique】

Most of the traditional floodlights use tungsten filament bulbs, mercury lamps, iodine-tungsten lamps or high-pressure sodium lamps with a power of about 400-2000W as the light source. Pollution is serious, and the color effect is unsatisfactory. At present, with the development of science and technology, LED light sources are considered as the fourth generation of lighting sources. LED light sources have been widely used in various lighting fields due to their advantages such as high luminous efficiency, low power consumption, no need for high voltage, and high safety. In the application of street lamps, it has become an indispensable lighting tool for urban nightlife. Generally, street lamps need to work for a long time, even in severe weather such as storms, rain, and snow. There are clear requirements, the LED light source meets the above requirements, but the higher the power to the LED light source, the greater the calorific value, especially due to the lack of heat dissipation of the LED light source, the LED light source often works at a temperature of 80 ° C, and the luminous efficiency is often only 70 % to 80%, working for a long time will easily cause the color decay of the LED light source; in severe cases, the temperature inside the LED light source will be too high, causing the circuit board, lighting chip or other electronic components to be burned, and the working life of the LED light source will be seriously shortened.

In addition, although the brightness of the current LED lamps has been mentioned, the irradiation distance is generally not far.

【Content of utility model】

The utility model provides a projection LED lamp with simple structure, fast heat dissipation, low hot spot temperature, effectively delaying LED light decay time, long irradiation distance and long-distance ejection function.

In order to realize above-mentioned utility model purpose, the technical scheme that the utility model adopts is:

A projection LED lamp, including a light-transmitting glass cover, multiple groups of LED light sources, a power supply box, a main body shell and a support frame. The main body shell is integrally die-casted with aluminum profiles, and the front side of the main body shell is integrally die-casted to facilitate the installation of LED light sources. The light source housing cavity, the edge of the main housing around the light source housing cavity is integrally die-casted with an assembly groove for sealing and fixing with the light-transmitting glass cover, and the rear side of the main housing is integrally die-casted with a wave shape to facilitate the rapid dissipation of heat generated by the LED light source heat-dissipating fins; the bottom surface of the light source housing cavity on the front side of the main body shell is provided with a heat-conducting sheet seat, and multiple groups of LED light sources electrically connected to the power supply box are installed on the plane of the heat-conducting sheet seat; the rear side of the transparent glass cover The light source housing cavity of the light source is equipped with a small reflector that cooperates with each group of LED light sources and directly reflects the light generated by each group of LED light sources from the transparent glass cover. The transparent glass cover is provided with each small reflector The cover fits the transmissive surface separately.

Preferably, the bottom surface of the heat-conducting sheet seat is press-contacted with a heat-conducting body or a heat-conducting film that is press-embedded on the main body shell on the bottom surface of the light source accommodating cavity for quickly exporting the heat generated by the LED light source to various parts of the heat-dissipating fins.

Preferably, a positioning seat for fixing a small reflector is installed at each group of LED light sources of the heat-conducting sheet seat, and a convex lens is located on the front side of each group of LED light sources inside the small reflector and serves as a concentrator extending upward from the positioning seat.

Preferably, the bottom surface of the light source accommodating cavity of the main body shell is integrally die-casted with at least one slot that is convenient for press-fitting and installing a heat conductor or laying a heat-conducting film. The grooves are arranged in at least two nests, and the heat conductor or the heat conduction film is filled with the inside of the "eight" shaped groove.

Preferably, the heat conductor is a copper heat pipe, and the copper heat pipe is also filled with a heat conduction agent that facilitates the heat generated by the LED light source to be quickly exported to various parts of the heat dissipation fins.

Preferably, the heat conduction film is a graphite heat dissipation film.

Preferably, the assembly groove on the edge of the main body shell is also provided with a waterproof rubber ring that cooperates with the light-transmitting glass cover to facilitate sealing and fixing.

The beneficial effects of the utility model are:

The utility model adopts the integral die-casting molding of the main body shell, the LED light source installation cavity and the heat dissipation structure, which have high structural strength and good sealing effect, thereby saving raw materials and effectively reducing product production costs; The one-piece die-casting molding has slots that are convenient for pressing and installing heat conductors or heat-conducting films, and multiple slots are arranged in a "eight" shape, which can efficiently and quickly export the heat generated by the LED light source to each of the external cooling fins on the lower side of the main shell. Partly, the heat dissipation fins adopt a wave-shaped structure, and there are several channels for ventilation in the direction of the vertical fins, which is conducive to natural heat dissipation and air convection, and accelerates the heat dissipation effect, which greatly reduces the working temperature of the LED light source and makes the working temperature of the LED light source long. Keep the working temperature below 50°C for a long time, increase the luminous efficiency to more than 95%, greatly enhance the floodlight effect, and can be used in various occasions. safety performance and overall service life.

At the same time, the light source housing chamber is equipped with a small reflector that cooperates with each group of LED light sources and directly reflects the light generated by each group of LED light sources from the transparent glass cover; through the cooperation of the small reflector with each group of LED light sources, it can effectively It can reflect the LED light source to a farther distance, increase the search distance of the lamp, and improve the lighting effect of the lamp.

【Description of drawings】

Fig. 1 is the explosion structure schematic diagram of the present utility model;

Fig. 2 is a three-dimensional enlarged schematic diagram of the assembly relationship of the small reflector, the positioning seat and the heat conducting sheet seat of the utility model;

Fig. 3 is a cross-sectional enlarged schematic diagram of the connection relationship between a group of small reflectors and the positioning seat of the present invention.

【detailed description】

A projection LED lamp, as shown in Figures 1 to 3, includes a light-transmitting glass cover 1, multiple groups of LED light sources 3, a power supply box 4, a main body shell 5 and a U-shaped support frame 7, and the main body shell 5 is made of aluminum The profile is integrally die-casted, and the front side of the main body shell is integrally die-casted with a light source accommodation cavity 50 that is convenient for installing multiple groups of LED light sources 3 that are uniformly arranged horizontally and vertically. The assembly groove 51 that is sealed and fixedly installed, wherein, the assembly groove 51 is a double-groove structure, and the waterproof rubber ring 6 that facilitates the sealing connection with the light-transmitting glass cover 1 is also installed in the assembly groove 51 of the main body shell 5; the power box 4 It is installed in the light source accommodation chamber 50 of the main body shell. When the LED light source uses relatively high power, the power supply box 4 is arranged on the rear side of the main body shell to facilitate better heat dissipation.

As shown in FIG. 1 , in the light source accommodation cavity 50 on the rear side of the transparent glass cover 1 , there is a light source that cooperates with each group of LED light sources 3 and directly reflects the light generated by each group of LED light sources 3 from the transparent glass cover 1 . The small reflector 2 corresponds to the translucent glass cover 1 and is provided with a transmissive surface 20 that cooperates with each small reflector 2 to project light respectively. On the rear side of the main body shell 5, there are integral die-casting fins 52 that are wave-shaped to facilitate the rapid dissipation of the heat generated by the LED light source 3; on the bottom surface of the light source accommodation cavity 50 on the front side of the main body shell 5, a heat conducting sheet seat 8 is arranged. There are multiple sets of LED light sources 3 that are evenly arranged horizontally and vertically and electrically connected to the power box on the plane of the heat conducting sheet seat 8; The heat generated by the light source is quickly exported to the heat conductor 9 or the heat conduction film of each part of the heat dissipation fin 52, wherein the heat conduction film is a graphite heat dissipation film, and the heat conductor 9 is a copper heat conduction tube. The heat is quickly exported to the liquid mixed heat conduction agent in each part of the cooling fins 52 .

Continuing as shown in Figure 1, on the bottom surface of the light source housing cavity 50 of the main body shell 5, there are two slots 53 which are convenient for press-fitting and installing heat conductors or laying heat-conducting films. The two slots 53 are stacked in an "eight" shape. Layout, the corresponding heat conductor 9 (or heat conduction film) is covered in the embedded groove 53,

As shown in Figure 2 and Figure 3, a positioning seat 10 for fixing the small reflector 2 is also installed at each group of LED light sources of the heat conducting sheet seat 8, and the positioning seat 10 extends upwards to each group of LEDs located inside the small reflector 2. The front side of the light source 3 is a single-sided convex lens 100 for concentrating light, and a hollow support rib is formed between the single-sided convex lens 100 and the bottom of the positioning seat 10 .

The main body shell 5 of the present utility model adopts the integral molding of the LED light source installation cavity and the heat dissipation structure, which effectively improves the sealing effect, saves raw materials at the same time, and effectively reduces the production cost of the product; The slots of the heat conductors are press-fitted, and the heat conductors are covered with slots of different shapes, which can efficiently and quickly export the heat generated by the LED light source to each part of the heat dissipation fins with a wave-shaped structure outside the lower side of the main shell, and dissipate heat at the same time There are several channels for ventilation in the vertical direction of the fins, which greatly facilitates natural heat dissipation and air convection, accelerates the heat dissipation effect, greatly reduces the working temperature of the LED light source, and keeps the working temperature of the LED light source below 50°C for a long time The working temperature is higher than 95%, and the luminous efficiency is increased to more than 95%, which greatly enhances the floodlight effect and can be used in a variety of occasions. life.

At the same time, the light source housing chamber 50 is provided with a small reflector 2 that cooperates with each group of LED light sources 3 and directly reflects the light generated by each group of LED light sources 3 from the transparent glass cover 1; through the small reflector 2 and each group The cooperation of the LED light source 3 can effectively reflect the LED light source to a farther distance, increase the search distance of the lamp, and improve the lighting effect of the lamp.

The above-described embodiment is only a preferred embodiment of the present utility model, and is not intended to limit the scope of implementation of the present utility model. The shape of the groove is except the situation enumerated in the specific embodiment; The equivalent changes made by the principle should all be covered within the protection scope of the present utility model.

Claims (7)

1. a projection LED, including transparent glass lid, organizes LED light source, power pack, main body cover more And support saddle frame, it is characterised in that:

Described main body cover uses aluminium section bar integrated die-casting molding, and main body cover front side integral die cast has to be easy to The light source installing LED light source accommodates chamber, and light source accommodates the main body cover edge integrated die-casting of chamber periphery and forms Being easy to seal hard-wired fitting recess with transparent glass lid, on rear side of main body cover, integrated die-casting forms in wave Shape is easy to the radiating fin that the heat of LED light source generation quickly disperses；

It is provided with heat conduction bar, in the plane of heat conduction bar on the bottom surface in light source receiving chamber on front side of described main body cover It is provided with and organizes the LED light source electrically connected with power pack more；

Light source receiving intracavity on rear side of described transparent glass lid is provided with and is respectively cooperating with often group LED light source and will be often The small size back light shield that the light that group LED light source produces directly reflects away from transparent glass lid, described printing opacity glass Glass lid is provided with the transmission plane being respectively cooperating with each small size back light shield.

A kind of projection LED the most according to claim 1, it is characterised in that described conducting strip seat bottom Face pressure is touched to connect has pressure to be embedded on the main body cover of light source receiving bottom surface, chamber for the heat produced by LED light source Quickly derive the heat carrier to radiating fin various piece or heat conducting film.

A kind of projection LED the most according to claim 1 and 2, it is characterised in that described conducting strip Being provided with the positioning seat for fixing small size back light shield at the often group LED light source of seat, positioning seat has upwardly extended One convex lens being positioned at the LED light source front optically focused effect of often organizing within small size back light shield.

A kind of projection LED the most according to claim 2, it is characterised in that described main body cover Light source receiving bottom surface, chamber integrated die-casting forms at least one and is easy to press embedding installation heat carrier or lay heat conducting film Caulking groove, described caulking groove is that "eight" shape is laid, and the caulking groove that " eight " shape is laid uses the nestable laying of at least two, Described heat carrier or heat conducting film are covered with the interior of "eight" shape caulking groove.

A kind of projection LED the most according to claim 4, it is characterised in that described heat carrier is copper Matter heat pipe, be also perfused with in copper heat pipe be easy to LED light source produce heat quickly derive to heat radiating fin The thermal conducting agent of sheet various piece.

A kind of projection LED the most according to claim 4, it is characterised in that described heat conducting film is stone Ink heat dissipation film.

A kind of projection LED the most according to claim 1, it is characterised in that described main body cover limit The fitting recess of edge is additionally provided with to coordinate with transparent glass lid to be easy to seal fixing waterproof apron.