CN206555743U - A kind of LED spotlights - Google Patents

Abstract

The utility model discloses an LED spotlight, which comprises: a lamp cap, a radiator, a spotlight cup and a light source. The radiator is provided with an installation platform for installing the light source. The installation platform is arranged in the center of the radiator and protrudes upwards; The light source includes: a bracket, an LED chip, a threaded portion, and a probe protruding from the lower end of the threaded portion, the upper end of the probe is electrically connected to the LED chip, and multiple LED chips are arranged in multiple directions on the bracket; the focusing cup The lampshade is limitedly installed in the radiator, and the lampshade is integrally formed with a light blocking sheet corresponding to the directly above the light source. The utility model has the advantages of compact structure and convenient assembly. A mounting table for the light source is provided on the radiator, and the light source is threadedly installed in the mounting table, and the light source is stably installed through the support of the mounting table to the bracket; the LED chips on the light source are arranged in multiple directions, which can realize multi-angle and all-round The lighting effect is good, the brightness is high, and the characteristics of energy saving and environmental protection are realized.

Description

An LED spotlight

Technical field:

The utility model relates to the technical field of lighting fixtures, in particular to a high-brightness LED spotlight.

Background technique:

Light-emitting diode lamps, also known as LED lamps, are becoming the main product in the new generation of lighting market due to their high efficiency, energy saving, longevity, compactness and other technical characteristics, and they are powerfully driving the rapid development of the environmental protection and energy saving industry. In the global pursuit of health, environmental protection and energy crisis, LED lighting has been recognized by the world as a healthy, energy-saving and environmentally friendly lighting fixture. It is used for interior decoration lighting, gradually replacing the original small incandescent bulbs and fluorescent lamps. Compared with traditional incandescent bulbs and fluorescent lamps, LED lamps have the following advantages:

1. LED fluorescent lamps are unidirectional, without light diffusion, ensuring lighting efficiency;

2. The light source efficiency of LED has reached 90-110lm/W, and there is still a lot of room for development, with a theoretical value of 250lm/W;

3. The light color rendering of LED is much higher than that of traditional lighting;

4. The light decay of LED is small, and the light decay of one year is less than 3%, so that it has a long service life;

5. LED is a low-voltage device, and the voltage to drive a single LED is a safe voltage. The power of a single LED in the series products is mostly 1 watt, so it is a safer power supply than using a high-voltage power supply, especially suitable for public places;

6. The volume of each unit LED is relatively small, it can be prepared into devices of various shapes, and it is suitable for variable environments.

In the spotlights in the prior art, the LED chips are generally arranged on the circuit board, but the illumination angle of the LED chips is not comprehensive, and the illumination intensity is not enough.

Utility model content:

The purpose of the utility model is to overcome the deficiencies of the prior art and provide an LED spotlight.

In order to solve the above-mentioned technical problems, the utility model adopts the following technical solutions: an LED spotlight, comprising: a lamp cap, a radiator mounted on the lamp cap, a concentrating cup and a light source installed in the radiator, the radiator There is an installation platform for light source installation, the installation platform is set in the center of the radiator and protrudes upwards; the light source includes: a bracket, an LED chip packaged on the bracket, a threaded part arranged at the lower end of the bracket, and a protruding thread The probe at the lower end of the probe, the upper end of the probe is electrically connected to the LED chip, and there are multiple LED chips on the bracket in multiple directions; the condenser cup is installed in the radiator through a lampshade limit, and a corresponding lampshade is integrally formed on the lampshade. Light baffle directly above the light source.

Further, in the above technical solution, the heat sink is provided with a cup-shaped installation position for the installation of the focusing cup, and the focusing cup is supported and installed in the installation position; A threaded through hole, the light source is installed on the installation platform, the bracket is supported on the installation platform, and the threaded part is threaded and installed in the through hole.

Furthermore, in the above technical solution, heat dissipation holes are provided on the side wall of the radiator.

Furthermore, in the above technical solution, a polygonal boss is provided on the support, and the LED chip is packaged on the boss and electrically connected to the probe.

Furthermore, in the above technical solution, the lampshade has a ring-shaped body, and the light blocking sheet is arranged at the center of the body, and the light blocking sheet is connected to the body through a beam, so that the light blocking sheet is suspended from the center of the body. At the center; a heat dissipation port is opened on the ring-shaped body.

Furthermore, in the above technical solution, the bottom of the lampshade is provided with a clamping column inserted into the end surface of the radiator, and the end surface of the radiator is correspondingly formed with an insertion hole.

Furthermore, in the above technical solution, the lamp head includes: a casing, a driver installed in the casing, and an electrode arranged at the end of the casing.

Furthermore, in the above technical solution, the probes of the light source pass through the bottom of the heat sink and are electrically connected to the driver.

Furthermore, in the above technical solution, the upper end of the housing is sheathed on the bottom of the radiator, and the lower end of the housing is provided with a metal threaded barrel.

After adopting the above technical solution, the utility model has the following beneficial effects compared with the prior art:

1. The utility model has a compact structure and is easy to assemble. A mounting table for the light source is provided on the radiator, and the light source is threadedly installed in the mounting table, and the light source is stably installed through the support of the mounting table to the bracket;

2. The LED chips on the light source in the utility model are arranged in multiple directions, which can realize multi-angle and all-round illumination, good illumination effect, high brightness, and realize the characteristics of energy saving and environmental protection;

3. In the utility model, the heat dissipation holes of the radiator form air convection between the heat dissipation ports on the lampshade, which can accelerate heat dissipation and ensure the life of the light source;

4. The utility model is equipped with a light blocking sheet to prevent the light from the light source from being directly irradiated, avoiding glare and glare, and the inner surface of the light blocking part is a smooth surface, which can effectively reflect all the light back to the reflective cup. Then it is reflected by the reflector, which will not cause light loss and ensure the quality of light.

Description of drawings:

Fig. 1 is a perspective view of the utility model;

Fig. 2 is an exploded view of the utility model;

Fig. 3 is a sectional view of the utility model;

Fig. 4 is a partial enlarged view of A in Fig. 3 .

detailed description:

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

As shown in FIGS. 1-3 , an LED spotlight includes: a lamp cap 1 , a radiator 2 installed on the lamp cap 1 , a spotlight cup 3 installed in the radiator 2 , and a light source 4 .

The lamp holder 1 includes: a housing 11, a driver 12 installed in the housing 11, an electrode 13 arranged at the end of the housing 11, the upper end of the housing 11 is inserted into the bottom of the radiator 2, and the model of the lamp holder 1 in this embodiment For the E series, the lower end of the casing 11 is provided with a metal threaded barrel, and the electrode 13 is exposed outside the threaded barrel. The lamp holder 1 is installed in cooperation with the matching lamp holder to be powered on.

The radiator 2 is integrally formed of metal material or ceramic material, and the radiator 2 is cup-shaped as a whole, which facilitates the installation of the spotlight cup 3 . The interior of the radiator 2 is provided with a cup-shaped mounting position 20, and the center of the mounting position 20 is provided with a mounting platform 21, which protrudes upwards for the installation of the light source 4; the outer wall of the radiator 2 is provided with cooling holes 22, To facilitate the circulation of air.

As shown in FIG. 4 , the light source 4 includes: a bracket 41 , an LED chip 42 packaged on the bracket 41 , a threaded portion 43 arranged at the lower end of the bracket 41 , and a probe 44 protruding from the lower end of the threaded portion 43 . Specifically, a polygonal boss is provided on the bracket 41, and the LED chips 42 are packaged on the boss, and multiple LED chips 42 are arranged in multiple directions on the boss to ensure the illumination angle. The upper end of the probe 44 is electrically connected to the LED chip 42, and the bracket 41 is made of an insulating material; the bracket 41 is installed on the mounting table 21, and the mounting table 21 forms a stable support for the bracket 41, and the threaded part 43 is threadedly mounted on the mounting table 21. Inside the through hole 210 , internal threads are correspondingly arranged in the through hole 210 . The probe 44 passes through the through hole 210 and is connected to the driver 12 inside the lamp head to make the LED chip 42 conduct. It can be seen from FIG. 4 that the boss is rectangular, and there are at least two LED chips 42 on the four sides of the boss, and at least two LED chips 42 are arranged on each side. The two LED chips 42 are connected in series, which can reduce the current and heat generation. In addition, the outside of the LED chip 42 is encapsulated by the resin 40 , and the optical fibers of the LED chip 42 are diffused through the resin 40 .

The focusing cup 3 is installed in the installation position 20, the installation platform 21 is perforated from the center of the focusing cup 3, the LED chip 42 is arranged in the focusing cup 3, and the focusing cup 3 is limitedly installed by a lampshade 5 in radiator 2. The lampshade 5 has a ring-shaped body, and the inner edge of the lampshade 5 collides with the upper edge of the focusing cup 3 , so that the focusing cup 3 is limited in the radiator 2 . A light blocking sheet 51 corresponding to the top of the light source 4 is integrally formed on the lampshade 5 . The light-blocking sheet 51 is connected to the body through a beam 511, so that the light-blocking sheet 51 is suspended at the center of the body; a heat dissipation port 52 is provided on the annular body, and the heat dissipation port 52 cooperates with the heat dissipation hole 22 on the radiator 2 to allow the air to flow circulation to speed up heat dissipation. The bottom of the lampshade 5 is provided with a clamping post 53 inserted into the end surface of the radiator 2 , and the end surface of the radiator 2 is correspondingly formed with an insertion hole 23 . The upper edge of the radiator 2 is also formed with a groove, which is matched with the outer ring edge of the lampshade 5, and the outer ring edge is fastened in the groove, and then the lampshade 5 is stably installed through the cooperation of the clamp post 53 and the jack 23.

When assembling, firstly, the focusing cup 3 is installed on the installation position 20 of the radiator, then, the light source 4 is installed on the installation platform 21, and the light source 4 is stably installed by screwing, and then the radiator 2 is installed on the lamp holder 1 and lock it with threads. Finally, snap the lampshade 5 into the upper end of the radiator 2 and lock it with screws.

The lamp holder 1 in this embodiment adopts the E series lamp holder of the international standard, cooperates with the corresponding lamp holder, inserts the lamp holder 1 into the lamp holder, the driver 12 drives the LED chip 42 to emit light; the LED chip 42 emits light, and the light is reflected by the condenser cup 3 After divergence, the light blocking sheet 51 installed directly above the LED chip 42 is used to block the light of the LED chip 42, prevent the light of the LED chip 42 from being directly irradiated, and avoid glare and glare, and the inner surface of the light blocking sheet 51 It is a smooth surface, which can effectively reflect all the light back to the focusing cup 3, and then be reflected by the focusing cup 3, without causing light loss and ensuring the quality of light. Since the LED chips 42 are arranged in multiple directions, it can realize multi-angle and omnidirectional light emission and enhance the illumination.

Of course, the above descriptions are only specific embodiments of the utility model, and are not intended to limit the implementation scope of the utility model. Should be included in the utility model patent scope.

Claims (9)

1. a kind of LED spotlights, including：Lamp holder (1), the radiator (2) being installed on lamp holder (1), it is installed in radiator (2) Prefocus cup (3) and light source (4), it is characterised in that：

The erecting bed (21) installed for light source (4) is provided with described radiator (2), erecting bed (21) is arranged at radiator (2) center simultaneously raises up；Described light source (4) includes：Support (41), the LED chip (42) being packaged on support (41), It is arranged at the threaded portion (43) of support (41) lower end and stretches out the probe (44) of threaded portion (43) lower end, the upper end of probe (44) Electrically connected with LED chip (42), LED chip (42) on support (41) it is multi-faceted be provided with it is multiple；Described prefocus cup (3) leads to Cross a lampshade (5) to be mounted in radiator (2), integrally formed with a gear corresponded to directly over light source (4) on lampshade (5) Mating plate (51).

2. a kind of LED spotlights according to claim 1, it is characterised in that：Being provided with described radiator (2) is used for The installation position (20) for the cup type that prefocus cup (3) is installed, prefocus cup (3) support is installed in the installation position (20)；Described installation Tapped through hole (210) is provided with platform (21), described light source (4) is installed on erecting bed (21), support (41) branch Support on erecting bed (21), threaded portion (43) screw thread is installed in through hole (210).

3. a kind of LED spotlights according to claim 1, it is characterised in that：It is provided with described radiator (2) side wall Heat emission hole (22).

4. a kind of LED spotlights according to claim 1, it is characterised in that：It is provided with described support (41) more than one The boss of side shape, described LED chip (42) is packaged on the boss, and is electrically connected with probe (44).

5. a kind of LED spotlights according to claim 1, it is characterised in that：Described lampshade (5) has the sheet of an annular Body, described light barrier (51) is provided with the circle centre position of body, and light barrier (51) is connected to body by crossbeam (511), made Light barrier (51) hangs on the center of body；In annular body on offer thermovent (52).

6. a kind of LED spotlights according to claim 1, it is characterised in that：Described lampshade (5) bottom is provided with insertion Correspondence forms jack (23) on the card column (53) of radiator (2) end face, the end face of radiator (2).

7. a kind of LED spotlights according to claim 1, it is characterised in that：Described lamp holder (1) includes：Shell (11), The driver (12) that is installed in shell (11), the electrode (13) for being arranged at shell (11) end.

8. a kind of LED spotlights according to claim 7, it is characterised in that：The probe (44) of described light source (4) from dissipate Hot device (2) bottom passes and electrically connected with driver (12).

9. a kind of LED spotlights according to claim 7, it is characterised in that：Described shell (11) upper end is sheathed on scattered The bottom of hot device (2), shell (11) lower end is provided with the thread barrel of metal.