CN102042546A - Screw-in type LED courtyard lamp - Google Patents

Abstract

The invention relates to a screw-in type LED courtyard lamp, which is a large LED bulb with the diameter more than 18 centimeters and can be fixed by screwing the LED courtyard lamp on a lamp holder like a bulb, and comprises a bulb joint, a connecting seat, a heat dissipation module and an LED module, wherein the bulb joint is connected to the bottom of the connecting seat, the heat dissipation module is arranged at the top end of the connecting seat and comprises a heat dissipation base and a plurality of heat dissipation fins, the heat dissipation fins are tightly clamped on the side wall of the heat dissipation base in an annular arrangement manner, and the LED module is arranged on the heat dissipation module.

Description

Screw-in LED patio lights

Technical field

The invention relates to a screw-in LED patio light, especially a large LED light bulb with a diameter greater than 18 cm that can be screwed into a lamp holder like a light bulb to be fixed, and can be used in a wide range of lighting environments.

Background technique

Lighting fixtures (commonly known as patio lights) used in industrial plants, warehouses, station halls or large-scale lighting environments, usually with a power consumption greater than about 400 watts, and the types of light fixtures are generally mercury lamps (or some sodium lamps). .

As generally shown in Figure 9, the basic structure of a traditional mercury patio light is a lamp holder (80) containing a power cord, a reflector lampshade (81) fixed on the lamp holder (80) and a mercury bulb (82). As long as the mercury bulb (82) is installed, it can be completed by being screwed into the lamp holder (80), and it is very convenient to install. However, mercury lamps have many disadvantages. For example, mercury is a heavy metal poisonous substance, which will cause poisoning and pollution to the environment. Mercury lamps have high decay and short service life, requiring frequent use of overhead cranes for maintenance, and poor color rendering, which will cause color distortion.

Please refer to Figure 10, in order to improve the shortcomings of traditional mercury patio lights, many LED manufacturers have also developed traditional LED patio lights (90), but because traditional LED patio lights use multiple LEDs (91), these LEDs need The heat sink assists heat dissipation, and the general heat sink is made of aluminum extrusion molding and has a heavy weight. In order to achieve the brightness of the traditional mercury patio light, the traditional LED industry must make the traditional LED patio light very large. Of course, the weight is very heavy, so generally When fixing, use long screws to go through the fixing holes (92) and fix it on the ceiling. Although such a traditional LED patio light improves the lack of traditional mercury patio lights, it causes another serious disadvantage, that is, it needs to be reinstalled, and because of the traditional LED patio lights are heavy, making installation difficult or expensive.

Therefore, the technical focus of this invention's research and improvement lies in how to provide a lamp with low pollution, low light decay, long service life and good color rendering for a wide range of lighting needs to replace traditional mercury patio lights; and provide light weight , and can continue to use the lamps of the traditional mercury patio lamp holder to solve the problems of heavy weight and inconvenient installation of the traditional LED patio lamp.

Contents of the invention

From the above description, it can be seen that the mercury lamps used in industrial plants or large-scale lighting environments not only have the concern of polluting the environment, but also have the disadvantages of short service life due to large light decay.

In view of this, the main purpose of the present invention is to provide a screw-in LED patio light, which is larger than 18 cm in diameter and uses light-weight thin aluminum sheets as heat dissipation fins, so that the present invention can be screwed into the light bulb like a light bulb. It is a large LED bulb that can be fixed on the lamp holder and can be used in a wide range of lighting environments, and has many advantages such as low pollution, low light decay, long service life and good color rendering.

To achieve the above purpose, the technical means used in the present invention is to make the screw-in LED sky light include:

A light bulb connector is a connector with a diameter greater than 3.6 cm, which has a conductive screw-in part, and a conductive bottom insulated at the bottom of the conductive screw-in part;

A connection seat, the connection seat has a top end and a bottom end, the light bulb connector is arranged at the bottom end of the connection seat;

A heat dissipation module, which is a radiator with a diameter greater than 18 cm, is arranged on the top of the connecting base and includes a heat dissipation base and a plurality of heat dissipation fins, and these heat dissipation fins are arranged in a ring shape on the heat dissipation base on the side wall;

An LED module includes a substrate and a plurality of high-power LEDs, the substrate is arranged on the heat dissipation module, the high-power LEDs are arranged on the substrate, and the substrate is provided with at least two electrodes;

A power module, the power module is set in the accommodation space formed by the connection base and the cooling module, the power module has at least two input electrodes and at least two output electrodes, the two input electrodes of the power module are electrically separated Connects to conductive screw-in and conductive bottom of bulb connector. The two output electrodes of the power module are respectively electrically connected to the two electrodes of the substrate of the LED module.

In order to reduce the weight of the LED patio light, the present invention moves the power supply module to the outside of the lamp, so another technical means used is to make the screw-in LED patio light include:

A light bulb connector is a connector with a diameter greater than 3.6 cm, which has a conductive screw-in part, and a conductive bottom insulated at the bottom of the conductive screw-in part;

A connection seat, the connection seat has a top end and a bottom end, the light bulb connector is arranged at the bottom end of the connection seat;

A heat dissipation module, which is a radiator with a diameter greater than 18 cm, is arranged on the top of the connecting base and includes a heat dissipation base and a plurality of heat dissipation fins, and these heat dissipation fins are arranged in a ring shape on the heat dissipation base on the side wall;

An LED module includes a substrate and a plurality of high-power LEDs, the substrate is arranged on the heat dissipation module, the high-power LEDs are arranged on the substrate, the substrate is provided with at least two electrodes, and the two electrodes are respectively Electrically connected to the conductive screw-in portion and the conductive bottom of the light bulb connector.

The structure design of the screw-in LED patio light of the present invention is not only larger than 18 cm in diameter, but also can be fixed by screwing into the lamp holder like a light bulb, and can be applied to a wide range of lighting environments. On the other hand, the present invention The heat dissipation module is composed of LED modules and light and thin aluminum sheets. The LED modules use high-power LEDs as light sources, so they have the advantages of low light attenuation, long service life and high luminous efficiency, and there is no mercury pollution problem.

Description of drawings

Fig. 1 is a perspective view of the appearance of a preferred embodiment of the present invention.

Fig. 2 is a three-dimensional exploded view of a preferred embodiment of the present invention.

Fig. 3 is a perspective view of the assembly of the heat dissipation base and heat dissipation fins of the present invention.

Fig. 4 is a side sectional view of a preferred embodiment of the present invention.

Fig. 5 is a side sectional view of another preferred embodiment of the present invention.

Fig. 6 is a side view of a preferred embodiment of the present invention connected to an external lamp holder.

Fig. 7 is an enlarged side view of a preferred embodiment of the present invention connected to an external lamp holder.

Fig. 8 is a side view of another preferred embodiment of the present invention connected with an external lamp holder.

Figure 9 Traditional mercury patio lights.

Figure 10 Traditional LED patio lights.

Explanation of main component symbols

(10) connecting seat (100) wire

(11) Top (13) Suspension

(20) Cooling module (21) Cooling base

(210) socket (211) fixing hole

(22) cooling fins (220) are connected to the side

(221) Top (222) Curved Sides

(223) Suspension part (224) Flat part

(225) Vent hole (226) Fixing hole

(30) LED module (31) Substrate

(32) High Power LEDs

(40) Power module (401) Input electrode

(402) output electrode (41) positioning frame

(50) reflection ring (51) light-transmitting body

(52) Fixed frame

(60) lamp holder (61) safety sling

(70) bulb connector (71) conductive screw-in part

(72) Conductive Bottom

(80) lamp holder (81) reflector lampshade

(82)Mercury Bulbs

(90) Traditional LED Highway Lights (91) LED Modules

(92) Fixing hole

Detailed ways

Please refer to Fig. 1 and Fig. 2 for specific embodiments of the present invention. The screw-in LED patio light system of the present invention includes a bulb connector (70), a connecting seat (10), a heat dissipation module (20) and an LED module (30), or further includes a power supply module (40).

The aforementioned bulb connector (70) is a connector with a diameter greater than 3.6 centimeters, which has a conductive screw-in portion (71) and a conductive bottom (72) insulated at the bottom of the conductive screw-in portion (71). The bulb connector has a diameter greater than 3.6 cm, the commonly used specifications can be E39 or E40, compared with the general household bulb diameter of 2.7 cm (called E27 lamp base), the purpose is to increase the lifting capacity of the lamp base, the general diameter of E27 household bulbs with a diameter of 2.7 cm has a lifting capacity of about The experimental data of the lifting capacity of the E39 or E40 lamp cap with a diameter greater than 3.6 cm can reach 30 kg. However, the actual weight of the present invention is about 3 kg, which is only one tenth of the capacity of the lamp cap with a diameter greater than 3.6 cm. One, the diameter of the bulb connector is designed to be greater than 3.6 cm in order to increase its lifting capacity and follow the industrial norms of traditional mercury patio lights in this screw-in LED patio light.

The aforementioned connection base (10), the connection base has a top end (11) and a bottom end, and the light bulb connector (70) is arranged at the bottom end of the connection base (10).

The aforementioned heat dissipation module (20) is a radiator with a diameter greater than 18 centimeters. The heat dissipation module (20) is located on the top of the connection seat (10) and includes a heat dissipation base (21) and a plurality of heat dissipation fins (22). Some cooling fins (22) are arranged on the side wall of the cooling base (21) in an annular arrangement.

Further referring to Fig. 3, in this embodiment, the aforementioned heat dissipation base (21) further has a plurality of slots (210), and these slots (210) are arranged longitudinally on the side wall of the heat dissipation base (21) On, these cooling fins (22) respectively have a connecting side part (220) corresponding to the aforementioned slot (210), and tightly fitted in the aforementioned slot (210); in addition, these cooling fins ( 22) has a top (221), and the top (221) is partially bent to have a flat portion (224), and the flat portion (224) of these cooling fins (22) is connected to the heat dissipation base (21) The top surface forms a plane to jointly carry the LED module (30), and the flat part (224) is further provided with at least one fixing hole (226), and at least one fixing hole ( 211), for the LED module (30) to be tightly fixed on the flat portion (224) of the heat dissipation fin (22) and the top surface of the heat dissipation base (21); these heat dissipation fins (22) can also be further A plurality of ventilation holes (225) are set (as shown in Figures 3, 4, and 5).

The aforementioned LED module (30) comprises a substrate (31) and a plurality of high-power LEDs (32), the substrate (31) is provided with at least two electrodes, and the high-power LEDs (32) are arranged on the substrate (31) , and the substrate (31) is assembled on the heat dissipation module (20). In this embodiment, the LED module (30) uses the substrate (31) as the flat part of the heat dissipation fins (22) ( 224) and the plane of the top surface of the cooling base (21) are jointly carried, and the substrate (31) can be passed through the substrate (31) by screws and then screwed in the fixing hole (226) on the flat portion (224) to achieve Tightly fixed, the purpose is that after the heat generated by multiple high-power LEDs (32) is transferred to the LED substrate (31), it can dissipate heat through two paths, one path is to transfer heat to the heat dissipation fins through the heat dissipation base (21) The connecting side portion (220) of (22) extends to the body of the heat dissipation fin (22) again. Another path is through the flat part (224) of the heat dissipation fin (22), and then extends to the body of the heat dissipation fin (22). And because the substrate (31) of the LED module (30) has a large area, if the assembly is uneven, air gaps will be caused, which will lead to poor heat dissipation, so a fixing hole is added on the flat part (224) of the heat dissipation fin (22) (226), so that, for example, the screws are closely matched to fix the LED substrate (31) and the heat dissipation fins (22), so as to reduce the air gap and improve the heat dissipation effect.

As shown in FIG. 5 , the two electrodes of the substrate ( 31 ) are respectively electrically connected to the conductive screw-in portion ( 71 ) and the conductive bottom ( 72 ) of the light bulb connector ( 70 ) by a wire ( 100 ).

With reference to Fig. 4, the aforementioned power module (40) is set in the accommodation space formed by the connection base (10) and the heat dissipation module (20), and the power module (40) has at least two input electrodes (401 ) and at least two output electrodes (402), the two input electrodes (401) of the power module (40) are respectively electrically connected to the conductive screw-in part (71) and the conductive bottom (72) of the light bulb connector (70), the power supply The two output electrodes (402) of the module (40) are respectively electrically connected to the two electrodes of the substrate (31) of the LED module (30). In this embodiment, the power module (40) can be connected by a positioning frame (41) The assembly is fixed in the aforesaid accommodating space.

As shown in Figures 1 and 2, the screw-in LED skylight can also include a fixed frame (52), which is ring-shaped and framed on the top of these cooling fins (22) peripheral.

As shown in Figures 1 and 2, the screw-in LED patio light of the present invention may further include a reflective ring (50), which is arranged on the flat portion (224) of the cooling fins (22) ) to surround the aforementioned LED module (30), and the reflective ring (50) is close to the inner side of the LED module (30), and has a reflective surface for reflecting the light emitted by these high-power LEDs (32) light; in addition, the screw-in LED patio light can further include a light-transmitting body (51), and the light-transmitting body (51) can be selected from a plane lens, a convex lens, a concave lens, a fog mirror, a plurality of convex lenses, and a plurality of concave lenses At least one of them, and the light-transmitting body (51) is arranged at the front end of the LED module (30), so that the light emitted by the high-power LED can be emitted through the light-transmitting body (51).

Further referring to Fig. 6, Fig. 7 and Fig. 8, the present invention is assembled on an external lamp holder (60) through the bulb joint (70) at the bottom end of the connecting seat (10), because the present invention usually uses its cast The light side is facing downwards, therefore, the screw-in LED sky light of the present invention is further provided with a suspension part (223) (13), which is used to provide a safety rope (61) connected to the suspension part (223) (13) and the lamp holder (60). As shown in Figures 6 and 7, the present invention is provided with a suspension part (223) on the arc-shaped side part (222) of each cooling fin (22), which can make the safety hanging part (223) located on the lamp holder (60) One end of the rope (61) is further passed through the suspension portion (223) of the arc-shaped side (222) of the cooling fin (22). Can reach 30 kilograms, but the actual weight of the present invention is only about 1/10 and is about 3 kilograms, can not need safety rope (61) in theory, yet falls for avoiding being dropped by strong earthquake, or joint rust is rotten to drop, causes Public security event, still design safety hanging rope (61) to use together in conjunction with the present invention.

Further referring to FIG. 8 , in addition to the above-mentioned way of making the arc-shaped side (222) of the cooling fin (22) be provided with the suspension part (223), it is also possible to use Suspension part (13) that is provided with on the side wall is connected with safety suspension rope (61), can reach the purpose of Fig. 6 and Fig. 7 equally. Similarly, the suspension part can also be arranged on the fixed frame (52) (not shown in the figure).

In the screw-in LED patio light of the present invention, the heat dissipation method can further enable the plurality of heat dissipation fins (22) to be installed on the heat dissipation base (21) in a tightly fitted manner, and then the heat dissipation base (21) ) and the plurality of heat dissipation fins (22) are in direct contact with the LED module (30) for heat conduction. As far as the heat dissipation base (21) and the heat dissipation fins (22) are made of the same metal material, the heat conduction coefficients therebetween are the same. It will have excellent heat dissipation characteristics. Therefore, the present invention installs the plurality of heat dissipation fins (22) on the heat dissipation base (21) in a tightly matched manner, and then cooperates with the LED module (30) to generate heat that can be directly transmitted through a short heat conduction path. Conducted to the heat dissipation base (21) and the plurality of heat dissipation fins (22) around it, by shortening the heat conduction path, improving its heat dissipation performance, so the present invention can provide better LED module (30) groups heat radiation.

The LED module (30) of the present invention uses a plurality of high-power LEDs (32) as a light source, so it can provide a wide and bright lighting range like a common high hanging light in an industrial factory building. Furthermore, since the development of high-power LED components has the advantages of low light attenuation, long service life, high luminous efficiency and good color rendering, the screw-in LED bay light of the present invention can still be used for more than one year. It can maintain more than 90% of the original brightness and set the power consumption at 100 watt hours. The screw-in LED patio light of the present invention can relatively replace the mercury lamp with a power consumption of 400 watts, and there is no mercury pollution problem.

To sum up, the present invention has significantly improved efficacy and meets the patent requirements, and an application is filed according to the law. Although the present invention has been disclosed in the foregoing embodiments, it is not limited to the content mentioned in the foregoing embodiments. Any changes and modifications made without departing from the principle and scope of the present invention belong to the protection scope of the present invention .

Claims (12)

1. A screw-in LED patio light, comprising: A light bulb connector is a connector with a diameter greater than 3.6 cm, which has a conductive screw-in part, and a conductive bottom insulated at the bottom of the conductive screw-in part; A connection seat, the connection seat has a top end and a bottom end, the light bulb connector is arranged at the bottom end of the connection seat; A heat dissipation module, which is a radiator with a diameter greater than 18 cm, is arranged on the top of the connecting base and includes a heat dissipation base and a plurality of heat dissipation fins, and these heat dissipation fins are arranged in a ring shape on the heat dissipation base on the side wall; An LED module includes a substrate and a plurality of high-power LEDs, the substrate is arranged on the heat dissipation module, the high-power LEDs are arranged on the substrate, and the substrate is provided with at least two electrodes; A power supply module is arranged in the accommodating space formed by the connection base and the cooling module, the power supply module has at least two input electrodes and at least two output electrodes, and the two input electrodes of the power supply module are respectively electrically connected to the light bulb The conductive screw-in part and the conductive bottom of the connector, and the two output electrodes of the power module are respectively electrically connected to the two electrodes of the substrate of the LED module. 2. The screw-in LED sky light as claimed in claim 1, wherein: the heat dissipation base further has a plurality of slots, and the slots are arranged longitudinally on the side wall of the heat dissipation base, and the heat dissipation Each of the fins has a connecting side corresponding to the above-mentioned slot, and is closely fitted and clamped in the above-mentioned slot. 3. The screw-in LED sky light as claimed in claim 1, wherein: the heat dissipation fins have a top, and the top is partially bent to have a flat portion, and the flat portion of the heat dissipation fins is A plane is formed with the top surface of the heat dissipation base to jointly carry the substrate of the LED module, and the flat part is further provided with at least one fixing hole for the substrate of the LED module to be tightly fixed on the flat part of the heat dissipation fin. 4. The screw-in LED skylight according to claim 1, wherein a plurality of ventilation holes are arranged on the heat dissipation fins. 5. The screw-in LED bay light according to claim 1, wherein a suspension part is provided on the screw-in LED bay light. 6. The screw-in LED bay light according to claim 5, wherein the screw-in LED bay light is provided with the suspension part on each cooling fin. 7. The screw-in LED bay light according to claim 5, wherein the screw-in LED bay light is provided with the suspension part on the peripheral side wall of the connecting seat. 8. The screw-in LED skylight according to any one of claims 1 to 7, further comprising a reflective ring, which is set on the plane formed by the flat parts of the cooling fins and surrounds In the aforementioned LED module, the reflective ring is close to the inner side of the LED module and has a reflective surface. 9. The screw-in LED skylight according to any one of claims 1 to 7, characterized in that it further comprises a light-transmitting body, and the light-transmitting body is arranged at the front end of the LED module. 10. The screw-in LED patio light according to claim 9, wherein the light-transmitting body can be selected from at least one of a plane lens, a convex lens, a concave lens, a fog mirror, a plurality of convex lenses, and a plurality of concave lenses. 11. A screw-in LED patio light, comprising: A light bulb connector is a connector with a diameter greater than 3.6 cm, which has a conductive screw-in part, and a conductive bottom insulated at the bottom of the conductive screw-in part; a connection seat, the connection seat has a top end and a bottom end, and the light bulb connector is arranged at the bottom end of the connection seat; A heat dissipation module, which is a radiator with a diameter greater than 18 cm, is arranged on the top of the connecting base and includes a heat dissipation base and a plurality of heat dissipation fins, and these heat dissipation fins are arranged in a ring shape on the heat dissipation base on the side wall; An LED module includes a substrate and a plurality of high-power LEDs, the substrate is arranged on the heat dissipation module, the high-power LEDs are arranged on the substrate, the substrate is provided with at least two electrodes, and the two electrodes are respectively Electrically connected to the conductive screw-in portion and the conductive bottom of the light bulb connector. 12. The screw-in LED patio light according to claim 11, wherein the heat dissipation base further has a plurality of slots, and these slots are arranged longitudinally on the side wall of the heat dissipation base, and the heat dissipation bases Each of the fins has a connecting side corresponding to the above-mentioned slot, and is closely fitted and clamped in the above-mentioned slot.

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