CN202791490U - A LED lamp with fan radiator - Google Patents

Abstract

The utility model discloses a LED lamp with a fan radiator, which comprises a shell, a circuit board with an LED light source and a driving device, wherein the circuit board and the driving device are arranged in the shell, a plurality of radiating fins are derived from the rear end surface of the shell, the rear end surface of the shell is averagely divided into a plurality of included angle track groups which extend to the edge of the shell by taking the central position as the circle center, the included angle track groups are arranged at equal intervals, and the radiating fins are distributed along the included angle track groups and are arranged perpendicular to the; the fan radiator is arranged at the center of the radiating fin and made of waterproof materials and comprises a fan protection box provided with an air inlet, a waterproof fan arranged in the fan protection box and a fan driving power supply. The radiating fins are designed according to the trend of air flow when the fan radiator works, and can quickly and effectively transfer heat out along with the air flow generated by the waterproof fan, so that a good radiating effect is achieved. The fan radiator has a good waterproof effect, is suitable for outdoor environment, and is simple in structure and convenient to assemble.

Description

A LED lamp with fan radiator

technical field

The utility model relates to an LED lamp, in particular to an LED lamp with a fan radiator.

Background technique

With the continuous breakthrough of LED technology, especially the successful development of high-power and high-efficiency LEDs, it has become a reality to widely use LEDs in various lighting fields, especially in outdoor lighting, LED lamps can be used in tunnel lighting, stage lighting, Field construction lighting, advertising lighting, exterior wall lighting, road lighting, landscape lighting, etc. Both energy saving and lighting effects are quite ideal, but at the same time, LED light sources generate a lot of heat, which can easily cause the temperature of LED light sources to be too high, causing damage to LED lamps, affecting the light efficiency of LED lamps and shortening their service life. Existing LED lamps are generally equipped with radiators, but most of the radiators are large in size and complex in structure, do not have waterproof effect, and cannot adapt to outdoor environments.

Therefore, how to realize an LED lamp with good heat dissipation effect, simple structure and waterproof effect 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 with a fan radiator, aiming to realize an LED lamp with good heat dissipation effect, simple structure and waterproof effect.

The utility model proposes an LED lamp with a fan radiator, which includes a housing, a circuit board arranged in the housing, a plurality of LED light sources arranged on the circuit board, a driving device arranged in the housing and electrically connected to the LED light source , a number of heat sinks are derived from the rear end surface of the shell, and the rear end surface of the shell is divided into a number of angle track groups extending to the edge of the shell evenly with the center position as the center of the circle. The group is distributed and arranged perpendicular to the rear end of the shell; a fan radiator made of waterproof material is installed at the end of the center of the heat sink. The waterproof fan and the fan driving power are installed in the fan protection box, and the fan protection box is provided with air intake holes.

Preferably, a fixed box is provided inside the fan protection box for placing the fan drive power supply. The fan drive power supply is connected to the waterproof fan and placed in the fixed box, and then the fixed box is subjected to injection molding and filling waterproof treatment.

Preferably, the air intake holes are provided on the rear end surface and side surfaces of the fan protection box.

Preferably, the angle setting range of the angle trajectory group is 60 degrees to 120 degrees.

Preferably, several screw holes are provided at the edge of the front surface of the fan protection box, and fixing studs are provided at the corresponding positions of the screw holes on the rear surface of the housing, and the housing and the fan protection box are fixed by screws.

Preferably, the fan protection box and the fixing box are integrally formed, and the waterproof fan, the fan protection box, and the fixing box are all made of waterproof plastic.

Preferably, the housing and the cooling fins provided on the rear end surface of the housing are integrally formed and made of heat-conducting materials such as aluminum, copper or iron.

Preferably, it also includes a set of reflective cups arranged at the front end of the housing, and the front end of the reflective cups is provided with a light-transmitting cover.

Preferably, a support frame for installing and fixing the LED lamp is also included, and the support frame is hinged on both sides of the casing.

Preferably, the total power of the LED light source ranges from 50W to 150W.

The utility model relates to an LED lamp with a fan radiator, comprising a casing, a circuit board arranged in the casing, a plurality of LED light sources arranged on the circuit board, a driving device arranged in the casing and electrically connected to the LED light source, A number of cooling fins are derived from the rear end surface of the housing, and the rear end surface of the housing is divided into a number of angle track groups extending to the edge of the housing evenly with the center position as the center of the circle. Distributed and set perpendicular to the rear end of the shell; a fan radiator made of waterproof material is installed at the end of the center of the heat sink. The fan radiator includes a fan protection box with an open front surface and close to the heat sink The waterproof fan and the fan drive power supply in the fan protection box, and the fan protection box is provided with air intake holes. The unique design of the heat sink is designed according to the direction of the airflow when the fan radiator is working. Under the action of the fan radiator, this structural design can quickly and effectively dissipate the heat generated by the LED light source and the driving device along with the airflow generated by the waterproof fan. It is transmitted to the outside of the lamp to achieve a good heat dissipation effect. In addition, when the LED lamp is installed outdoors, the fan radiator has a good waterproof effect to protect it from rain erosion, effectively protect the LED light source, and prolong the service life of the LED lamp. At the same time, the fan radiator has a simple structure and small volume, easy assembly, and easy production and processing.

Description of drawings

Fig. 1 is the three-dimensional structural schematic diagram of an embodiment of an LED lamp with fan radiator of the present invention;

Fig. 2 is a top view of an embodiment of an LED lamp with a fan radiator of the present invention;

Fig. 3 is a bottom view of an embodiment of an LED lamp with a fan radiator of the present invention;

Fig. 4 is a side view of an embodiment of an LED lamp with a fan radiator of the present invention;

Fig. 5 is an enlarged view of the structure of the front end of the fan protection box in an embodiment of an LED lamp with a fan radiator of the present invention;

Fig. 6 is an enlarged view of the structure of the back of the fan protection box in an embodiment of an LED lamp with a fan radiator of the present invention;

Fig. 7 is an enlarged view of the structure of a waterproof fan in an embodiment of an LED lamp with a fan radiator according to the present invention.

The realization of the purpose of the utility model, functional characteristics 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. 7, an embodiment of a LED lamp with a fan radiator of the present invention is proposed, including a housing 100, a circuit board disposed in the housing 100, and several LED light sources disposed on the circuit board 200 . A driving device disposed in the casing 100 and electrically connected to the LED light source 200 . The casing 100 is provided with a groove adapted to the driving device, and the circuit board is disposed in the groove, which is effectively waterproof and can prevent rainwater from eroding the driving device in an outdoor environment. A number of cooling fins 101 are derived from the rear end of the housing 100. The housing 100 and the cooling fins 101 are integrally formed and made of heat-conducting materials such as aluminum, copper or iron, which can transfer the heat generated by the LED light source 200 to the entire housing in a timely manner. Body 100, heat does not accumulate, ensure the long-term normal operation of the LED light source 200, and prolong the service life.

A fan radiator made of waterproof material is installed at the end of the heat sink 101. The fan radiator includes a fan protection box 302, a waterproof fan 301 fixedly installed in the fan protection box 302, connected with the waterproof fan 301 and used to drive the waterproof fan 301 fan drive power supply. The front surface of the fan protection box 302 is open and close to the heat sink 101, so that the airflow generated by the waterproof fan 301 can flow from the opening to the channel between the heat sink 101 and finally to the outside of the lamp body. The inside of the fan protection box 302 is provided with a fixed box 303 for placing the fan drive power supply. After the fan drive power supply is placed in the fixed box 303, the fixed box 303 is subjected to injection molding and filling waterproof treatment. The fan protection box 302 is provided with an air inlet 304. The air intake hole 304 is provided on the rear end surface and the side surface of the fan protection box 302 . When the waterproof fan 301 is turned on, the colder air from the outside enters the fan protection box 302 through the air inlet 304 and circulates between the channels of the heat sink 101. After sufficient heat exchange, the hotter air can pass through the front end of the fan protection box 302 The open surface flows into the space between the cooling fins 101, and finally discharges to the outside of the lamp body. The fan protection box 302 and the fixing box 303 are integrally formed, and the waterproof fan 301, the fan protection box 302, and the fixing box 303 are all made of waterproof plastic. One-piece molding does not require adhesives, and the waterproof effect is good, so that the fan radiator can resist rainwater and is very suitable for outdoor environments.

The rear end surface of the housing 100 is divided into a number of angle track groups extending to the edge of the housing 100 with the center position as the center of the circle, and the angle track groups are equidistantly arranged. The end faces are set vertically. The arrangement of the cooling fins 101 is designed in this way, which is beneficial for the airflow blown out by the waterproof fan 301 to exchange with the heat on the cooling fins 101 evenly and quickly, and transfer it to the outside of the lamp body. The included angle setting range of the included angle trajectory group is 60 degrees to 120 degrees. Considering the contact area between the heat sink 101 and the air and the air flow velocity, the optimal angle is 90 degrees, and the heat dissipation speed is the fastest under the angle of 90 degrees. The unique design of the heat sink 101 is designed according to the direction of the airflow when the fan radiator is working. Under the action of the fan radiator, this structural design can quickly and effectively dissipate the heat generated by the LED light source 200 and the driving device along with the waterproof fan 301. The generated air flow is transmitted to the outside of the lamp to achieve a good heat dissipation effect. Problems such as serious light decay of the LED light source 200 due to excessive temperature are well resolved.

The fan protection box 302 is arranged at the center position of the rear end surface of the housing 100. The fan protection box 302 is provided with a number of screw holes 305. The rear end surface of the housing 100 is provided with a number of fixing studs 102 at the positions corresponding to the screw holes 305. The body 100 and the fan protection box 302 are fixed by screws. Because the waterproof fan 301 is fixed at the center position of the rear end face of the housing 100, like this, the airflow blown by the waterproof fan 301 can evenly blow to all the cooling fins 101, and the hot air formed can quickly pass through the spaced channels between the cooling fins 101 Circulating to the outside of the LED lamp, the heat transferred from the LED light source 200 to the heat sink 101 through the aluminum substrate can be quickly transferred to the outside of the lamp body through the waterproof fan 301 , the structure is simple, and the heat dissipation effect is ideal.

The utility model also includes a set of reflective cup 400 arranged at the front end of the housing 100, and the front end of the reflective cup 400 is provided with a light-transmitting cover. The reflective cup 400 and the transparent cover can concentrate and reflect the light of the LED light source 200 , and can effectively protect the LED light source 200 and the circuit board from being eroded by external environmental factors. In addition, the LED lamp of the present invention also includes a support frame 500 for installing and fixing the LED lamp. The support frame 500 is hinged on both sides of the housing 100 , and the LED lamp can be installed in various places through the support frame 500 . The total power of the LED light source 200 ranges from 50W to 150W.

The housing 100 of the present invention and the heat sink 101 derived from the rear end face are integrally formed, and are made of aluminum, copper or iron with good thermal conductivity. In addition, the unique design of the heat sink 101 is designed according to the direction of the airflow when the fan radiator is working. The heat sink 101 is arranged in an orderly manner, which is conducive to air circulation and has a large contact area with the air. Under the action of the fan radiator, the heat generated by the LED light source 200 and the driving device can be quickly and effectively transferred to the outside of the lamp along with the airflow generated by the waterproof fan 301, achieving a good heat dissipation effect. Problems such as serious light decay of the LED light source 200 due to excessive temperature are well resolved.

The heat generated by the LED light source 200 can be transmitted to the whole housing 100 through the circuit board in time. Because the contact area between the heat sink 101 and the air is large, most of the heat is transferred from the heat sink 101 to the air, and the fan radiator is arranged on the shell. The center position of the rear end face of the body 100 is the best solution, so that the colder air from the outside enters the fan protection box 302 through the air inlet 304 of the fan protection box 302, and the colder airflow blown by the waterproof fan 301 can evenly blow to all heat dissipation The fins 101, the colder air and the heat sink 101 fully exchange heat, and then the formed hot air can quickly circulate to the outside of the LED lamp through the interval channels between the heat sinks 101, the structure is simple, and the heat dissipation effect is ideal. After repeated tests, the temperatures of the housing 100 and the LED light source 200 are both lower than 25 degrees Celsius. Therefore, the utility model has a very good heat dissipation effect and prolongs the service life of the lamp.

The waterproof fan 301 and the fan protection box 302 in the fan radiator of the present utility model are all made of waterproof materials, such as plastics, and the fan drive power supply of the waterproof fan 301 is then safely located in the fixed box 303 in the fan protection box 302 , and the fixed box 303 is waterproofed by injection molding filling. When the LED lamps are installed outdoors, the waterproof fan 301 and the fan protection box 302 are exposed to the outdoor environment. With the above-mentioned waterproof design, while ensuring the heat dissipation effect, the waterproof fan 301, the fan protection box 302 and the fan driving power can all be obtained. Fully protected from outdoor rainwater erosion, the fan radiator has a good waterproof effect, effectively protects the LED light source 200, prolongs the service life of the LED light source 200, and has a very simple structure and small size, easy assembly, and convenient production and processing , truly realizing an LED lamp with good heat dissipation effect, simple structure and waterproof effect.

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 (10)

1. An LED lamp with a fan radiator, comprising a housing, a circuit board arranged in the housing, a number of LED light sources arranged on the circuit board, arranged in the housing and connected to the LED light source An electrically connected drive device, the rear end surface of the housing derives a number of heat sinks, and the feature is that the rear end surface of the housing is divided into a number of angled trajectory groups extending to the edge of the housing with the center position as the center of the circle , the angle track groups are equidistantly arranged, the heat sinks are distributed along the angle track groups and arranged vertically to the rear end face of the housing; a waterproof material is installed at the end of the center position of the heat sink The fan radiator made, the fan radiator includes a fan protection box with an open front end and is close to the heat sink, a waterproof fan and a fan drive power supply arranged in the fan protection box, the fan protection box There are air intake holes on it. 2. The LED lamp with a fan radiator according to claim 1, wherein a fixed box for placing the fan drive power supply is arranged inside the fan protection box, and the fan drive power supply is connected to the fan drive power supply. After the waterproof fan is connected and put into the fixed box, the fixed box is injected and filled with waterproof treatment. 3 . The LED lamp with a fan radiator according to claim 1 , wherein the air intake hole is arranged on the rear end surface and the side surface of the fan protection box. 4 . 4 . The LED lamp with a fan radiator according to claim 1 , wherein the angle setting range of the angle trajectory group is 60° to 120°. 5. The LED lamp with a fan radiator according to claim 1, wherein a number of screw holes are provided on the edge of the front surface of the fan protection box, and the rear end surface of the housing is located at the edge of the screw holes. Fixing studs are provided at the corresponding positions, and the casing and the fan protection box are fixedly connected by screws. 6. The LED lamp with a fan radiator according to claim 2, wherein the fan protection box and the fixing box are integrally formed, and the waterproof fan, the fan protection box and the fixing box are all made of Made of waterproof plastic. 7. The LED lamp with fan radiator according to claim 1, characterized in that, the housing and the heat sink provided on the rear end surface of the housing are integrally formed, and are made of heat-conducting material Made of aluminium, copper or iron. 8 . The LED lamp with fan radiator according to claim 1 , further comprising a set of reflective cups arranged at the front end of the housing, and the front end of the reflective cups is provided with a light-transmitting cover. 9. The LED lamp with a fan radiator according to claim 1, further comprising a support frame for installing and fixing the LED lamp, the support frame is hinged on both sides of the housing superior. 10. The LED lamp with fan radiator according to claim 1, wherein the total power of the LED light source ranges from 50W to 150W.

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