CN202082680U - Combined heat-dissipating LED downlight light source engine - Google Patents

Abstract

The utility model discloses a modular LED down lamp light source engine that easily dispels heat belongs to LED lighting technology field, and its technical essential includes the radiator, wherein the radiator be the bowl shape, be equipped with the reflector layer at the radiator internal surface, be equipped with at least one through-hole on the radiator, be equipped with LED light source module in the through-hole, LED light source module mainly by the heat conductor, set up at the LED light source of heat conductor lower surface, set up secondary optics diffusion cover or secondary optical lens on the heat conductor of LED light source periphery and set up the power module on the heat conductor upper surface and constitute; the utility model aims to provide a combined easy-to-dissipate LED down lamp light source engine which has good heat dissipation effect, can be independently disassembled and assembled for each main part of the lamp and is easy to maintain; the LED lamp is used for indoor and outdoor illumination.

Description

Combined heat-dissipating LED downlight light source engine

technical field

The utility model relates to an LED lamp, in particular to a combined heat-dissipating LED downlight light source engine.

Background technique

Light-emitting diodes use the light-rotating properties of semiconductors to emit light after being energized, and have the advantages of low power consumption and long service life; at present, lighting lamps that use light-emitting diode combinations are becoming more and more common, but the use of such lamps first needs to solve other problems. The problem of large heat dissipation, although the existing LED lamps are equipped with various aluminum alloy heat sinks, but in an environment where the indoor air is not circulated, the heat dissipation of the aluminum alloy heat sink can only rely on natural convection heat dissipation, which cannot achieve the ideal heat dissipation. Due to the heat dissipation effect, the light decay of the LED lamp is too fast due to the high temperature, which greatly shortens the service life of the LED lamp, making it impossible to clearly reflect the advantages of the ordinary energy-saving lamp; and the existing LED lamps are generally connected by screws or These connection methods have the following disadvantages: (1) they are connected by screws, which makes the appearance unattractive and inconvenient to disassemble; (2) using bonding or one-time molding, when lamps When a problem occurs, it must be replaced as a whole, and the failure of the LED lamp is generally a failure of the LED light source module or the power module, and other radiators and diffusion covers are intact, resulting in an increase in the cost of use.

Utility model content

The purpose of the utility model is to provide a combined heat-dissipating LED downlight light source engine with good heat dissipation effect, independent disassembly and assembly of main components of the lamp, and easy maintenance.

The technical scheme of the utility model is achieved in the following way: a combined heat-dissipating LED downlight light source engine includes a heat sink, wherein the heat sink is in the shape of a reflector, and a reflective layer is arranged on the surface of the heat sink, and There is at least one through hole on the top, and an LED light source module is arranged in the through hole. The LED light source module is mainly composed of a heat conductor, an LED light source arranged on the lower surface of the heat conductor, and a secondary heat conductor arranged on the periphery of the LED light source. It is composed of an optical diffusion cover or a secondary optical lens and a power module arranged on the upper surface of the heat conductor; the heat conductor is in close contact with the radiator.

In the above combined heat-dissipating LED downlight light source engine, a positioning ring with internal threads is provided on one side of the radiator around the through hole; an external thread corresponding to the internal thread is provided on the outside of the heat conductor. Teeth, the positioning ring is threaded with the heat conductor.

In the above-mentioned combined heat-dissipating LED downlight light source engine, a positioning ring is provided on one side of the radiator around the through hole, and a screw through hole is provided on the side wall of the positioning ring; the outer wall of the heat conductor is provided with a screw. The screw holes corresponding to the through holes, the positioning ring and the heat conductor are connected by screws.

In the above-mentioned combined heat-dissipating LED downlight light source engine, the connection circuit between the power module and the LED light source is provided with a power connector, and the power connector is composed of a corresponding plug connector and a socket , the plug connector and the socket socket are respectively arranged at the ends of the connection circuit of the power module and the LED light source.

In the above-mentioned combined heat-dissipating LED downlight light source engine, a heat-conducting adhesive layer is provided at the contact portion between the heat-conducting body and the heat-dissipating body.

In the above-mentioned combined heat-dissipating LED downlight light source engine, the upper part of the secondary optical diffusion cover or the secondary optical lens is provided with a lower pressure ring, and the lower pressure ring is screwed to the heat conductor.

In the above-mentioned combined heat-dissipating LED downlight light source engine, the secondary optical diffusion cover or the secondary optical lens is screwed to the heat conductor.

In the above-mentioned combined heat-dissipating LED downlight light source engine, an upper pressure ring is provided on the periphery of the lower part of the power module, and the upper pressure ring is screwed to the heat conductor.

In the above-mentioned combined heat-dissipating LED downlight light source engine, the contact portion between the power module and the heat conductor is provided with a waterproof rubber ring.

In the above-mentioned combined heat-dissipating LED downlight light source engine, the power module and the heat conductor are fixedly connected by screws.

After the utility model adopts the above-mentioned structure, the radiator and the LED light source module are connected through threads, so that when the LED light source module fails or needs to be adjusted in power, it can be easily replaced; at the same time, the LED light source module It is also a combined connection, so that when a certain part of it fails, it can be replaced separately without wasting other useful parts, which greatly saves the use cost of the lamp, and also makes the production of the lamp more standardized and large-scale. It can be freely assembled according to actual needs, making the lamps more diverse and humanized. The utility model can be applied to the existing related traditional downlight lamp bracket, as long as the combined type easy-to-heat-dissipation LED downlight light source engine of the corresponding size is installed on the lamp bracket, it can be used to replace the traditional light source without consuming a large amount of mold money In addition, the utility model can be used as an LED patio light by adding a hanging wire to the upper part of the LED downlight source engine, such as related applications, which are numerous, and the utility model can be used for indoor and outdoor lighting.

Description of drawings

The utility model will be further described in detail below in conjunction with the embodiments in the accompanying drawings, but it does not constitute any limitation to the utility model.

Fig. 1 is the structural representation of the specific embodiment 1 of the utility model;

Fig. 2 is a partially enlarged schematic diagram of place A in Fig. 1;

Fig. 3 is the structural representation of the specific embodiment 2 of the utility model;

Fig. 4 is the structural representation of the specific embodiment 3 of the utility model;

Fig. 5 is the structural representation of the specific embodiment 4 of the utility model;

FIG. 6 is a bottom view of FIG. 5 .

In the figure: radiator 1, reflective layer 1a, positioning ring 1b, heat conductor 2, LED light source 3, secondary optical diffusion cover or secondary optical lens 4, lower pressure ring 4a, power module 5, upper pressure ring 5a, power supply Connector 6, plug joint 6a, socket socket 6b, thermal conductive adhesive layer 7, waterproof rubber ring 8.

Detailed ways

Example 1

Referring to Figures 1 and 2, a combined heat-dissipating LED downlight light source engine of the present invention includes a heat sink 1 in the shape of a reflector, and the heat sink 1 is made of aluminum alloy. A reflective layer 1a is provided, and the reflective layer 1a can be a coating layer or an electroplating layer of a reflective material, or it can be a reflective plate or other reflective sheet materials that are pasted, depending on the specific circumstances, the reflective layer 1a in this embodiment The ultra-fine foamed light reflector MCPET of the total reflector is adopted, and its light reflectivity can reach more than 99%, among which the diffuse reflectivity is 96%, and the specular reflectivity is 3%. There is an LED light source module inside, and the LED light source module is mainly composed of a heat conductor 2, an LED light source 3 arranged on the lower surface of the heat conductor 2, a secondary optical diffusion cover or a secondary The optical lens 4 and the power supply module 5 arranged on the upper surface of the heat conductor 2 are composed; The heat on the heat sink can be evenly transferred to the heat sink 1; in order to facilitate the disassembly and assembly of the entire light source engine, a positioning ring 1b with internal threads is provided on the outside of the heat sink 1 around the through hole; The inner thread corresponds to the outer thread, and the positioning ring 1b is screwed to the heat conductor 2. This structure makes the entire LED light source module easy to disassemble from the heat sink 1; between the power module 5 and the LED light source 3 The connecting circuit is provided with a power connector 6, and the power connector 6 is composed of a corresponding plug connector 6a and a socket socket 6b, and the plug connector 6a and the socket socket 6b are respectively arranged on the power module 5 and the LED light source 3 and an upper pressure ring 5a is provided on the periphery of the lower part of the power module 5, and the upper pressure ring 5a is screwed to the heat conductor (2), so that when the power module 5 breaks down, it can be easily removed from the light source engine It is also very convenient to replace. In order to prevent external rainwater or dust from entering the interior of the lamp, a waterproof rubber ring 8 is provided at the contact part between the power module 5 and the heat conductor 1; the secondary optical diffusion cover or the secondary optical lens 4 and the heat conductor 2 threaded connection to facilitate its disassembly and assembly, and the secondary optical diffusion cover or secondary optical lens 4 can make the light emitted by the LED light source more uniform, and at the same time avoid the glare phenomenon, and cooperate with the reflective layer 1a, so that the light can be irradiated in a concentrated manner . With the above structure, each part of the whole light source engine can be disassembled and replaced independently, which greatly improves the use efficiency of the lamp.

Example 2

Referring to Fig. 3, a combined heat-dissipating LED downlight light source engine of the present invention has basically the same structure as that of Embodiment 1, except that the positioning ring 1b is arranged inside the heat sink 1, and is connected with the heat sink. 1 Integral integral structure, the upper part of the secondary optical diffusion cover or the secondary optical lens 4 is provided with a lower pressure ring 4a, and the lower pressure ring 4a is screwed to the heat conductor 2; the secondary optical diffusion cover or the secondary optical lens 4 Pressing the LED light source 3 on the heat conductor 2 at the lower end can fix the LED light source 3 and improve the heat transfer effect; the use effect is basically the same as that of the first embodiment.

Example 3

Referring to Fig. 4, a combined heat-dissipating LED downlight light source engine of the present invention has basically the same structure as that of Embodiment 1, the difference being that a positioning ring 1b is provided on one side of the cooling body 1 on the periphery of the through hole , a screw hole is provided on the side wall of the positioning ring 1b; a screw hole corresponding to the screw through hole is provided on the outer wall of the heat conductor 2, and the positioning ring 1b and the heat conductor 2 are connected by screws; at the same time, the power module 5 and the heat conductor 2 is also fixedly connected by screws. Its use effect is basically the same as embodiment 1.

Example 4

Referring to Fig. 5 and Fig. 6, a combined heat-dissipating LED downlight light source engine of the present invention is basically the same in structure as that of Example 1, the difference is that seven vents are arranged on the radiator 1. Holes, LED light source modules are arranged in each through hole, and its use effect is basically the same as that of Embodiment 1.

Claims (10)

1. A combined heat-dissipating LED downlight light source engine, comprising a heat sink (1), is characterized in that, the heat sink (1) is in the shape of a reflector, and a light-reflecting layer is provided on the heat sink (1) inner surface (1a), at least one through hole is provided on the radiator (1), and an LED light source module is arranged in the through hole. The LED light source module is mainly composed of a heat conductor (2), and is arranged on the lower surface of the heat conductor (2). The LED light source (3), the secondary optical diffusion cover or secondary optical lens (4) arranged on the heat conductor (2) around the LED light source (3), and the power supply module ( 5) Composition; the heat conductor (2) is in close contact with the radiator (1). 2. The combined heat-dissipating LED downlight light source engine according to claim 1, wherein a positioning ring (1b) with internal threads is provided on one side of the radiator (1) on the periphery of the through hole; The heat conductor (2) is externally provided with external threads corresponding to the internal threads, and the positioning ring (1b) is threadedly connected with the heat conductor (2). 3. The combined heat-dissipating LED downlight light source engine according to claim 1, characterized in that a positioning ring (1b) is provided on one side of the radiator (1) on the periphery of the through hole, and a positioning ring (1b) The side wall is provided with screw through holes; the outer wall of the heat conductor (2) is provided with screw holes corresponding to the screw through holes, and the positioning ring (1b) and the heat conductor (2) are connected by screws. 4. The combined heat-dissipating LED downlight light source engine according to claim 1, characterized in that a power connector (6) is provided on the connection circuit between the power module (5) and the LED light source (3). ), the power connector (6) is composed of corresponding plug connectors (6a) and socket sockets (6b), and the plug connectors (6a) and socket sockets (6b) are respectively arranged on the power module (5) and the socket socket (6b). The connection circuit end of the LED light source (3). 5. The combined heat-dissipating LED downlight light source engine light according to any one of claims 1 to 4, characterized in that, the contact portion between the heat conductor (2) and the heat sink (1) is provided with a heat conduction adhesive layer (7). 6. The combined heat-dissipating LED downlight light source engine according to claim 5, characterized in that, the upper part of the secondary optical diffusion cover or the secondary optical lens (4) is provided with a lower pressing ring (4a), and the lower The pressure ring (4a) is threadedly connected with the heat conductor (2). 7. The combined heat-dissipating LED downlight light source engine according to claim 5, characterized in that, the secondary optical diffusion cover or secondary optical lens (4) is screwed to the heat conductor (2). 8. The combined heat-dissipating LED downlight light source engine according to claim 6, characterized in that an upper pressure ring (5a) is arranged on the lower periphery of the power module (5), and the upper pressure ring (5a) is connected with the heat conduction Body (2) threaded connection. 9. The combined heat-dissipating LED downlight light source engine according to claim 8, characterized in that a waterproof rubber ring (8) is provided at the contact portion between the power module (5) and the heat conductor (1). 10. The combined heat-dissipating LED downlight light source engine according to any one of claims 1 to 4, characterized in that the power module (5) and the heat conductor (2) are fixedly connected by screws.

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