CN204005731U - A kind of LED lamp - Google Patents

Abstract

The utility model discloses a LED lamp, by supreme lamp holder structure, radiator, LED light source subassembly, the printing opacity cover of having connected gradually down. The lamp holder structure comprises a lamp holder nut and a lamp holder seat connected with the lamp holder nut, the radiator comprises a heat dissipation base and a light source mounting disc arranged at the upper end of the heat dissipation base, a light source cavity is formed in the center of the upper end face of the light source mounting disc, and the light-transmitting cover is fixedly mounted on the light source cavity. The utility model discloses LED lamp, its light source mounting disc side extends annular radiating ring outwards, is equipped with a plurality of heat dissipation through-holes on the radiating ring, and the through-hole dispels the heat fast through the mode of air current circulation, reaches the efficient radiating effect. The radiating fins are arranged on the outer side of the radiating base and downwards from the radiating through holes, so that the radiating area is increased, the long-term normal work of the LED light source is ensured, and the service life of the LED light source group is effectively prolonged. The LED lamp with the advantages of simple structure, good heat dissipation performance, attractive appearance and uniform light distribution is suitable for wide popularization and application, and is particularly suitable for occasions needing uninterrupted illumination.

Description

A kind of LED lamp

technical field

The utility model relates to the field of LED lighting, in particular to an LED lamp.

Background technique

LED is a semiconductor that can convert electrical energy into light energy. It changes the principle of tungsten filament luminescence of incandescent lamps and the three-based toner luminescence of energy-saving lamps, and uses electric field luminescence. The characteristics of LED are very obvious, such as long life, high luminous efficiency, low radiation and low power consumption. With the advancement of technology, this kind of high-power light-emitting diode is becoming more and more perfect as a decoration and lighting source and is widely used in the lighting field. However, the high-power LED chip itself will generate a lot of heat when it is working. If the heat dissipation performance of the device is poor, the heat will not be quickly dissipated, which will greatly affect its luminous effect and service life. As far as the current situation is concerned, the heat dissipation structure of high-power LED lamps is generally more complicated, the design is relatively rigid and single, and the heat dissipation effect is not ideal.

Therefore, how to realize an LED lamp with simple structure, good heat dissipation performance and beautiful appearance is a technical problem to be solved urgently in the industry.

Contents of the invention

The main purpose of the utility model is to provide an LED lamp, aiming at an LED lamp with simple structure, good heat dissipation performance, beautiful appearance, good light effect and uniform light distribution.

The utility model provides an LED lamp, which is sequentially connected with a lamp head structure, a heat sink, an LED light source assembly and a light transmission cover from bottom to top. The lamp holder structure includes a lamp holder nut and a lamp holder connected to the lamp holder nut. The radiator includes a heat dissipation base and a light source mounting plate arranged on the upper end of the heat dissipation base. There are outlet holes, and the side of the light source mounting plate extends outwards from the annular heat dissipation ring. There are a number of heat dissipation through holes on the heat dissipation ring, and the second heat dissipation fins extend downward from the heat dissipation through holes. The light transmission cover is fixed to the On the concave cavity of the light source.

Preferably, the lamp base structure includes a lamp base made of insulating material, and a lamp nut made of conductive material connected to the lower end of the lamp base in a screw connection structure.

Preferably, the lamp base and the heat dissipation base are connected by screw connection.

Preferably, the interior of the heat dissipation base is set as a hollow cavity and the outer wall is provided with a plurality of first heat dissipation fins.

Preferably, the heat dissipation base and the light source mounting plate are fixed through screw connection.

Preferably, the heat dissipation base and the light source mounting plate are made of heat-conducting metal, and the heat-conducting metal is selected from aluminum, copper or iron.

Preferably, the LED light source assembly includes a circuit board closely mounted on the bottom of the light source cavity, a number of LED lamp beads evenly arranged on the circuit board, and a driving device electrically connected to the LED lamp beads, and the driving device is placed in the hollow cavity of the heat dissipation base .

Preferably, the transparent cover is made of glass or plastic.

The utility model provides an LED lamp, which is sequentially connected with a lamp head structure, a heat sink, an LED light source assembly and a light transmission cover from bottom to top. The lamp holder structure includes a lamp holder nut and a lamp holder connected to the lamp holder nut. The radiator includes a heat dissipation base and a light source mounting plate arranged on the upper end of the heat dissipation base. There are outlet holes, the side of the light source mounting plate extends outwards an annular heat dissipation ring, the heat dissipation ring is provided with a number of heat dissipation through holes, and the heat dissipation through holes extend downward to dissipate the second heat dissipation fins, and the light transmission cover is installed and fixed by bonding onto the light source cavity. The LED lamp of the utility model fixes the heat dissipation base and the light source installation plate through screw connection, and both the heat dissipation base and the light source installation plate are made of heat-conducting metal, and have an integrated structure, which has fast heat dissipation and good heat conductivity. In particular, an annular heat dissipation ring extends outward from the side of the light source mounting plate, and a number of heat dissipation through holes are provided on the heat dissipation ring, so that the heat can be quickly dissipated through the airflow to achieve an efficient heat dissipation effect. At the same time, the outside of the heat dissipation base is provided with a number of first heat dissipation fins and second heat dissipation fins extending downward through the heat dissipation through holes, which increases the heat dissipation area in contact with the air and effectively dissipates the heat generated by the LED chip and the driving device when they are working. Distributed into the external air, thereby ensuring the long-term normal operation of the LED light source and effectively prolonging the service life of the LED light source group. The upper end surface of the light transmission cover is a smooth and smooth arc surface, which has good luminous effect, uniform light distribution and no dizziness. This LED lamp with simple structure, good heat dissipation performance, beautiful appearance, good light effect and uniform light distribution is suitable for wide popularization and application, especially suitable for occasions requiring uninterrupted lighting.

Description of drawings

Fig. 1 is a side view structural schematic diagram of an embodiment of an LED lamp of the present invention;

Fig. 2 is a schematic diagram of the three-dimensional structure of the radiator in an embodiment of an LED lamp of the present invention;

Fig. 3 is a structural diagram of a light source mounting plate viewed from above in an embodiment of an LED lamp of the present invention.

The realization of the purpose of the utility model, functional features and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

Detailed ways

It should be understood that the specific embodiments described here are only used to explain the utility model, and are not intended to limit the utility model.

Referring to FIG. 1 to FIG. 3 , an embodiment of an LED lamp of the present invention is proposed, in which a lamp cap structure, a heat sink, an LED light source assembly, and a light-transmitting cover 500 are sequentially connected from bottom to top. The lamp cap structure includes a lamp cap nut 100, a lamp cap seat 200 connected with the lamp cap nut 100, a heat sink includes a heat dissipation base 300, and a light source mounting plate 400 arranged on the upper end of the heat dissipation base 300, and the center of the upper end surface of the light source mounting plate 400 is provided with a light source cavity 403, the center of the light source concave cavity 403 is provided with an outlet hole 404, and the side of the light source mounting plate 400 extends outwards to form an annular heat dissipation ring. The heat dissipation ring is provided with a number of heat dissipation through holes 401, and the heat dissipation through holes 401 extend downward to form a second heat dissipation ring. The fins 402 and the light-transmitting cover 500 are installed and fixed on the light source cavity 403 by bonding.

The lower port of the lamp base 200 is connected with the lamp cap nut 100 made of conductive material with a screw connection structure, and the upper port of the lamp base 200 is connected with the heat dissipation base 300 in a screw connection mode, and the lamp base 200 is made of an insulating material. The effect of preventing the current from directly flowing from the lamp cap nut 100 to the heat dissipation base 300 improves the safety of the product, and at the same time, the appearance is more beautiful and generous.

The interior of the heat dissipation base 300 is set as a hollow cavity and the outer wall is provided with a plurality of first heat dissipation fins 301 , the first heat dissipation fins 301 increase the contact area between the heat dissipation base 300 and the outside air, greatly speeding up heat dissipation. The LED light source assembly includes a circuit board mounted close to the bottom of the light source cavity 403 , a number of LED lamp beads evenly arranged on the circuit board, and a driving device electrically connected to the LED lamp beads. The driving device is placed in the hollow cavity of the heat dissipation base 300 . The interior of the heat dissipation base 300 is set as a hollow cavity, so that the heat generated by the driving device has enough space to dissipate, the heat is not accumulated, and the heat dissipation is fast, which effectively ensures the long-term normal operation of the LED light source assembly and prolongs the service life of the LED light source assembly .

The heat dissipation base 300 and the light source mounting plate 400 are connected and fixed by screws to form an integral structure, and both the heat dissipation base 300 and the light source mounting plate 400 are made of heat-conducting metal, and the heat-conducting metal is selected from aluminum, copper or iron. The heat generated by the LED light source closely attached to the light source mounting plate 400 can be quickly transferred to various parts of the heat dissipation base 300 and the light source mounting plate 400, with fast heat dissipation and good thermal conductivity, further ensuring the long-term normal operation of the LED light source components Work, prolong the service life of LED light source components.

In particular, an annular heat dissipation ring extends outward from the side of the light source mounting plate 400 . The heat dissipation ring is provided with a plurality of heat dissipation through holes 401 , and a plurality of second heat dissipation fins 402 extend downward from the heat dissipation through holes 401 . The heat dissipation through hole 401 uses the natural law of air convection to exchange heat to achieve the purpose of rapid heat dissipation. At the same time, several second heat dissipation fins 402 extending downward from the heat dissipation through hole 401 not only greatly increase the heat dissipation area, but also effectively dissipate the heat generated by the LED chip and the driving device to the outside air quickly, ensuring that the LED The long-term normal operation of the light source component prolongs the service life of the LED light source component, and effectively utilizes the remaining material of the opening, which conforms to the concept of low-carbon energy saving and environmental protection, and has a simple structure, low production cost, and beautiful appearance. The perfect combination of heat dissipation ring, heat dissipation through hole 401 and second heat dissipation fin 402 overcomes the shortcomings of traditional high-power LED lamps such as complex heat dissipation structure, rigid and single design, and unsatisfactory heat dissipation effect.

The light-transmitting cover 500 is made of glass or plastic, and has a smooth and even curved surface. The light becomes uniform and soft after passing through the light-transmitting cover 500, the visual effect is excellent, light pollution is eliminated, the luminous effect is good, and no glare is generated to make people feel dizzy.

The above are only preferred embodiments of the present utility model, and are not therefore limiting the patent scope of the present utility model. All equivalent structural transformations made by using the utility model specification and accompanying drawings are directly or indirectly used in other related technologies. Fields are all included in the scope of patent protection of the utility model in the same way.

Claims (8)

1. a LED light fixture, be connected with from the bottom to top holder structure in turn, radiator, LED light source assembly, diffuser, it is characterized in that, holder structure comprises lamp holder nut, the bulb socket being connected with described lamp holder nut, described radiator comprises heat dissipation base, be located at the light source mounting disc of described heat dissipation base upper end, center, described light source mounting disc upper surface is provided with light source cavity, the center of described light source cavity is provided with wire hole, the described light source mounting disc side circular radiating ring that extends outwardly out, described heat dissipating ring is provided with some heat radiation through holes, described heat radiation through hole extends the second radiating fin down, described diffuser is installed and is fixed on described light source cavity by bonding way.

2. a kind of LED light fixture according to claim 1, is characterized in that, described holder structure comprises the bulb socket of being made by insulating materials, the lamp holder nut of being made by conductive material being connected with spiro connection structure with described bulb socket lower end.

3. a kind of LED light fixture according to claim 1 and 2, is characterized in that, described bulb socket is connected by screw mode with described heat dissipation base and is connected.

4. a kind of LED light fixture according to claim 3, is characterized in that, described heat dissipation base inside is set to hollow cavity and lateral wall is provided with some the first radiating fins.

5. a kind of LED light fixture according to claim 4, is characterized in that, described heat dissipation base and described light source mounting disc are connected by screw fixing.

6. a kind of LED light fixture according to claim 5, is characterized in that, described heat dissipation base and described light source mounting disc are made by heat-conducting metal, described heat-conducting metal aluminium, copper or iron.

7. a kind of LED light fixture according to claim 6, it is characterized in that, described LED light source assembly comprise be close to be installed on the circuit board of described light source cavity bottom, be evenly laid in some LED lamp pearls on described circuit board, with the drive unit that described LED lamp pearl is electrically connected to, described drive unit is placed in described heat dissipation base hollow cavity.

8. a kind of LED light fixture according to claim 7, is characterized in that, described diffuser is made by glass or plastics.