CN102927480B - LED light source module and heat radiator thereof - Google Patents

Abstract

The invention provides an LED (Light Emitting Diode) light source module and a heat radiator thereof. The LED light source module comprises a wire, a heat radiator, an LED assembly, a pressure plate, a reflection cup, a light transmitting board and a surface cover, wherein the wire is connected to the LED assembly; the light transmitting board is mounted at the port part of the reflection cup and is mounted on the heat radiator through a surface cover; a wire fixing structure for fixing the wire is directly formed on the heat radiator by compression molding; the wire fixing structure is composed of a wiring channel, an aluminum brace, and a threaded hole; and the wire passes the wiring channel and is locked, extruded and fixed on the aluminum brace surface through bolts. The invention also provides the heat radiator on the LED light source module; the wire fixing structure for fixing the wire is directly formed on the heat radiator by compression molding; and the wire is connected to the LED assembly. Due to the adoption of the technical scheme, the wire fixing structure is directly formed on the heat radiator by compression molding; and the LED light source module and the heat radiator thereof have the advantages of novel structure, unique wire fixing mode and convenience for assembly.

Description

LED light source module and its radiator

technical field

The invention relates to a light source module using a semiconductor light-emitting diode (LED) as a light source, and belongs to the technical field of semiconductor lighting. the

Background technique

LED AR111, MR16, GU10, PAR16 light sources are installed in track lights, embedded grille spotlights, hanging wire grille spotlights, embedded ceiling lights, ceiling ceiling lights and other lamps, which are widely used in shopping malls and large supermarkets , offices, museums, exhibition halls, hotels, high-end residences, etc. are used as key lighting, which can not only brighten the environment, but also beautify the environment, adding color to life. Traditionally commonly used AR111, MR16, GU10, and PAR16 light sources are all halogen lamps, which have high power consumption, low luminous efficiency, high calorific value, short life, and serious pollution in the recycling process. The replacement of LED light source modules has long life (50,000 hours), high safety and reliability, low calorific value, high luminous efficiency, low carbon and environmental protection, and energy saving of more than 75%. the

At present, the LED AR111 light source on the market solves the shortcomings of the traditional halogen tungsten lamp. It is designed according to the structure and size of the traditional halogen tungsten lamp. The light spot cannot meet the needs of places with high optical requirements, and the electric parameters of the whole light cannot replace AR111 halogen lamps above 75W or MR16, GU10, PAR16 higher power halogen lamps above 35W due to the limitation of structure and driving power. In addition, in order to prevent the wires from loosening, the current LED light source module requires an additional power buckle, resulting in more accessories and assembly processes, and affecting the appearance of the entire lamp. the

Contents of the invention

In order to solve the disadvantages of the above-mentioned light source, the present invention proposes an LED light source module and its radiator with novel structure, good ventilation and heat dissipation, good optical effect, higher power and good ability to solve the existing problems. the

To achieve the above object, the present invention adopts the following technical solutions:

An LED light source module, including: wires, radiators, LED components, pressure plates, reflective cups, light-transmitting plates and face covers, the wires are connected to the LED components, the light-transmitting plates are installed at the ports of the reflective cups, and are installed through the face covers On the radiator, where the radiator is directly molded with a wire-fixing structure for fixing the wires. The wire-fixing structure is composed of wire slots, aluminum pillars, and threaded holes. The wires pass through the wire slots and are squeezed through screws. It is fixed by pressing on the surface of the aluminum pillar.

Further, the LED component is placed on the heat sink through the pressure plate and fastened by screws, and the phase-change thermal conductive glue is filled between the LED component and the heat sink. the

Further, the reflective cup is placed on a pressing plate made of PC. the

Further, the radiator is formed by die-casting, and vent holes are arranged on it. the

Further, the radiator is provided with threads or through holes as the installation interface for fixing the lamp. the

The present invention also provides a heat sink on the LED light source module, wherein the heat sink is directly molded with a wire fixing structure for fixing the wires, the wires are connected to the LED components, and the wire fixing structure consists of a wire slot, Composed of aluminum pillars and threaded holes, the threaded holes are set on the radiator, the wires pass through the wiring groove, and are fixed on the surface of the aluminum pillar through screw locking or extruded on the surface of the radiator. the

Further, the wiring groove is straight or curved. the

By adopting the above technical scheme, the present invention directly molds a fixed line structure on the radiator, which has a novel structure, a unique fixed line method, and is easy to assemble; it has no defects such as light distribution ghosting in the reflective cup, and the optical effect is good. The reflective cup and LED The PC material pressure plate is placed between the components, and the insulation safety is high. the

Description of drawings

Fig. 1 is the structural diagram of LED light source module AR111 of the present invention;

Fig. 2 shows the solid line structure diagram molded on the radiator;

Fig. 3 is a partial enlarged view showing the molded wire fixing structure on the radiator in Fig. 1;

Fig. 4 is a partially enlarged view of another molded wire fixing structure on the radiator.

Detailed ways

The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings. the

As shown in Figure 1, a light source module using LED as light source, such as AR111 light source module or MR16 light source module, includes: wire 1, heat sink 2, plastic screw 3, LED component 4, pressure plate 5, screw 6 , reflective cup 7, light-transmitting plate 8, and surface cover 9, wherein, the electric wire 1 is fixed on the corresponding fixed structure of the radiator 2 through the plastic screw 3, and the fixed structure is innovatively designed and molded on the radiator 2, which can save a wire The buckle can effectively prevent the wire from loosening due to external force. At the same time, the heat sink 2 is designed with a vent hole to ensure that the heat of the LED is quickly discharged through convection and balance the temperature difference between the inside and the outside; On the device 2 and fastened by screws 6, the phase-change thermal paste with high thermal conductivity is used to fill the space between the LED component 4 and the heat sink 2. The phase-change thermal paste has higher thermal conductivity and high temperature working stability than traditional thermal grease. ; The reflective cup 7 is placed on the LED pressure plate 5, since the material of the pressure plate 5 is PC, the insulation between the reflective cup 8 and the LED component 4 is guaranteed during work, and the working process is safer; the light-transmitting plate 8 is installed on the port of the reflective cup 7 , installed on the corresponding position of the radiator 2 through the pressing structure on the surface cover 9, the light-transmitting plate 8 can prevent dust or water vapor from entering the module cavity, and the light-transmitting plate can be selected from two materials: transparent and diffuse, as a light gathering or astigmatism Two effects are used. the

The heat sink 2 of the light source module is made by die-casting. At the same time, the lower part of the heat sink is provided with heat dissipation ribs. The heat dissipation ribs can be spiral, heliotropic, stepped, arc-shaped, strip-shaped or other shapes. Radiators have ventilation holes, which can be vertical, horizontal, oblique or otherwise. Radiator has the installation structure of fixing lamp, can be screw thread or through hole 24, can be used as the installation interface of lamps and lanterns such as downlight, ceiling lamp, track lamp, grille spotlight, wall lamp. the

Referring to Fig. 2 and Fig. 3, the corresponding fixing structure for fixing the electric wire 1 on the radiator 2 is composed of a wiring trough 22, an aluminum support 21 and a threaded hole 23. The electric wire 1 passes through the wiring trough 22 and is locked by the plastic screw 3. Tightly extruded on the surface of the aluminum pillar 21 and fixed. Its wiring groove can be straight or curved; Its aluminum support can be circular, polygonal or other shapes; The threaded hole 23 squeezes the electric wire 1 in a manner opposite to the aluminum support 21 . The fixing structure is directly die-cast as a feature of the heat sink. the

Referring to Fig. 4, in another embodiment, the only difference is that, in the fixed wire structure molded on the heat sink 2, the threaded hole 23 is directly opened on the aluminum support 21, and the wire 1 passes through the wiring groove 22 and passes through The plastic screw 3 passes through the threaded hole 23 and locks and extrudes the electric wire 1 on the surface of the radiator 2 to fix it. the

The polyhedral curve on the inner wall of the reflector cup 7 of the light source module has an anti-glare design, and the material can be metal, plastic or other materials, and different light emitting angles can be selected. the

The LED component 4 of the light source module can be a single or multiple LEDs, and different powers and color temperatures can be selected. In this embodiment, the LED light source component 4 adopts a high-power light source integrated in a COB package. the

Claims (7)

1. An LED light source module, including: wires, radiators, LED components, pressure plates, reflective cups, light-transmitting plates and cover, the wires are connected to the LED components, the light-transmitting plates are installed at the ports of the reflective cups, and pass through the surface The cover is installed on the radiator, and the feature is that: the radiator is directly molded with a wire-fixing structure for fixing the wires, and the wire-fixing structure is composed of wire slots, aluminum pillars, and threaded holes, and the wires pass through The wiring trough is fixed on the surface of the aluminum support by screw locking. 2. The LED light source module according to claim 1, characterized in that: the LED assembly is placed on the heat sink through the pressure plate and fastened by screws, and the phase-change heat-conducting adhesive is filled between the LED assembly and the heat sink. 3. The LED light source module according to claim 1, wherein the reflector is placed on a pressing plate made of PC. 4. The LED light source module according to claim 1, characterized in that: the heat sink is formed by die-casting, and there are ventilation holes on it. 5. The LED light source module according to claim 1, characterized in that: the heat sink is provided with a thread or a through hole as an interface for fixing a lamp. 6. A heat sink on an LED light source module, characterized in that: the heat sink is directly molded with a wire fixing structure for fixing the wires, the wires are connected to the LED assembly, and the wire fixing structure is formed by wiring It consists of slots, aluminum pillars, and threaded holes. The wires pass through the wiring grooves and are fixed on the surface of the aluminum pillars through screw locking or extruded on the surface of the radiator. 7. The heat sink according to claim 6, characterized in that: the wiring groove is straight or curved.