CN205208249U - Power is LED projecting lamp of 120W to 200W - Google Patents

Abstract

The utility model discloses a LED projection lamp with power of 120W to 200W, which comprises a shell, a surface cover, an LED light source structure, a reflector, a light transmitting sheet and a driving device with sealing and waterproof functions, wherein the driving device is arranged at the back of the shell; the reflecting shade is arranged around the LED lamp bead in a trapezoidal shape, a plurality of optical curved surfaces which are arc convex surfaces and can improve the reflecting rate are distributed on the inner side wall of the reflecting shade, and a mirror surface reflecting layer which can improve the reflecting rate is coated on the inner surface of the reflecting shade; the back of the shell extends outwards to form a plurality of radiation fins which are in a step shape and can increase the contact area with the outside air; a plurality of ventilation and heat dissipation holes capable of improving heat dissipation efficiency are correspondingly distributed on the four side frames of the face cover and the shell; the side wall of the rear end of the shell is provided with a plurality of waterproof ventilation valves which are communicated with the inside of the shell and have waterproof and ventilation functions.

Description

A LED flood light with a power of 120W to 200W

technical field

The utility model relates to the technical field of LED floodlights, in particular to an LED floodlight with a power of 120W to 200W.

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, such as LED floodlights, which can be used for tunnel lighting, stage lighting, and field construction lighting , Advertising lighting, exterior wall lighting, road lighting, landscape lighting and storage lighting, etc., LED floodlights are widely used. In order to make the driving device have a good waterproof and sealing effect, the LED floodlights on the market now often have a driving device box that plays a waterproof and sealing role on the outer casing of the driving device. In this way, additional production and configuration of the driving device box is required. Raw materials are consumed, the processing procedures are cumbersome and complicated, and it is difficult to reduce production costs, resulting in a large volume of the whole lamp and inconvenient transportation and installation. In addition, the reflection rate of the reflector of the existing LED floodlight is generally about 60%, the light reflection rate is low, the light utilization rate is low, the light efficiency is low, and the light output effect is not ideal. In addition, heat dissipation performance and waterproof sealing performance have always been problems to be solved for existing LED floodlights.

Therefore, how to realize an LED floodlight with reasonable structural design, high light reflectivity, high light utilization rate, good light output effect, high heat dissipation efficiency, strong waterproof sealing, effectively reducing production costs, and effectively reducing the volume of the entire lamp is an important issue in the industry. urgent technical issues to be resolved.

Contents of the invention

The main purpose of this utility model is to provide a LED floodlight with a power of 120W to 200W. It is an LED flood light with strong performance, which can effectively reduce the production cost and effectively reduce the volume of the whole lamp.

The utility model proposes an LED projection lamp with a power of 120W to 200W, which includes a housing, a cover fixed at the front end of the housing, an LED light source structure at the bottom of the housing, embedded in the housing and surrounded by The reflector around the LED light source structure, the light-transmitting sheet fixed between the surface cover and the reflector, and a driving device with a sealing and waterproof function arranged on the back of the housing and electrically connected to the LED light source structure. The driving device is equipped with A wire hole for the wire to pass through, and a waterproof rubber ring is embedded between the wire hole and the wire; a fixed bracket for positioning and fixing the LED light source structure is fixed between the LED light source structure and the reflector; the LED light source structure includes a fixed The substrate on the inner bottom of the shell, the LED lamp beads arranged on the substrate, the power of the LED lamp beads is 120W to 200W; The wall is covered with a number of arc-shaped convex optical surfaces that can increase the reflectivity, and the inner surface of the reflector is coated with a specular reflective layer that can increase the reflectivity; The heat dissipation fins in the contact area of the external air; the surface cover and the four sides of the casing are correspondingly equipped with a number of ventilation and cooling holes that can improve the heat dissipation efficiency; the casing is made of heat-conducting metal and has an integrated structure; The bottom is thickened in the longitudinal direction to form a longitudinal thickened layer, and the outer bottom of the rear end of the housing is thickened in the transverse direction to form a horizontally thickened layer. Thick layer; on the side wall of the rear end of the casing, there are several waterproof and breathable valves connected to the inside of the casing and having waterproof and breathable functions.

Preferably, the casing of the driving device is made of heat-conducting metal.

Preferably, the driving device is installed and fixed on the back of the casing by screws.

Preferably, the face cover and the housing are screwed and fixed.

Preferably, the LED floodlight further includes installation and adjustment frames arranged on both sides of the casing.

Preferably, the number of LED lamp beads is set to three.

The LED floodlight of the utility model includes a driving device with a sealing and waterproof function arranged on the back of the housing. The driving device is provided with a wire hole for the wire to pass through, and a waterproof rubber ring is embedded between the wire hole and the wire. The drive unit is mounted and fixed on the back of the housing by screws. Now LED floodlights on the market, in order to make the driving device have a good waterproof sealing effect, the driving device box is often provided with a waterproof sealing effect on the outer casing of the driving device, and the driving device of the utility model LED floodlight itself There is a driving device casing with a waterproof sealing effect, and a driving circuit board is arranged in the casing. The casing has an excellent waterproof sealing effect, which can protect the driving circuit board sufficiently, so that the driving circuit board can be used normally for a long time. It does not need to be additionally provided with a driving device box for protection, which greatly saves raw materials, saves processing procedures, effectively reduces production costs, helps reduce the volume of the whole lamp, and is very convenient for transportation and installation. Moreover, the casing of the driving device is made of heat-conducting metal, which greatly improves the heat dissipation efficiency of the driving device. The driving device can be exposed to the outside air, which not only has good sealing and waterproof protection, but also can transfer and dissipate heat in time to Ensure the service life of the driver circuit board. In addition, a waterproof rubber ring is embedded between the wire hole of the driving device and the wire, and the waterproof rubber ring can effectively improve the sealing and waterproof performance of the driving device and ensure the normal operation and service life of the driving device. In addition, the reflector is set around the LED lamp beads, and the reflector is set in the shape of a terrace. The inner wall of the reflector is covered with a number of arc-shaped convex optical surfaces that can improve the reflectivity. The specular reflective layer that improves the reflectivity; the light shines on the reflector, and is repeatedly reflected by various optical surfaces that can increase the reflectivity, and finally shines outward. The light reflectivity is very high. The existing LED floodlights The reflective rate of the traditional reflector is generally about 60%, while the reflective rate of the reflector with optical curved surface can reach 80%-90%, the reflective rate is very high, the light utilization rate is extremely high, the light is uniform and not dazzling, High efficiency, ideal light effect. In addition, a number of stepped heat dissipation fins extending outward from the back of the housing can increase the contact area with the outside air; correspondingly, a number of ventilation and heat dissipation holes are arranged on the front cover and the four sides of the housing to improve heat dissipation efficiency; The shell is made of heat-conducting metal and has an integrated structure; in this way, the heat generated by the LED lamp beads can be quickly and quickly spread throughout the entire shell and dissipated into the outside air, with high heat dissipation efficiency; and the setting of heat dissipation fins increases The contact area with the external air, especially the stepped heat dissipation fins, further increases the contact area with the external air and greatly improves the heat dissipation efficiency; in addition, the air can be convectively circulated through the ventilation and heat dissipation holes, and the flowing air It can quickly take away the heat on the shell, and further improve the heat dissipation efficiency, so that the entire LED floodlight has a good heat dissipation effect and does not accumulate heat, ensuring its long-term normal operation and effectively extending its service life. In addition, a number of waterproof and breathable valves are provided on the side wall of the rear end of the shell, which are connected to the inside of the shell and have waterproof and breathable functions. The waterproof and breathable valve is connected to the inside of the shell, and also has the functions of waterproof and breathable. That is to say, it is difficult for external rainwater to enter the shell through the waterproof and breathable valve, which will not affect the normal operation of the LED light source structure. At the same time, the hot air inside the body It can flow from the waterproof and breathable valve to the outside air and perform heat exchange, effectively improving the heat dissipation efficiency. The waterproof and breathable valve is the respirator of this LED floodlight. In addition, the inner bottom of the front end of the housing is thickened in the longitudinal direction to form a longitudinally thickened layer, and the outer bottom of the rear end of the housing is thickened in the transverse direction to form a transversely thickened layer. The thickened layer of the LED light source structure conducts heat and dissipates heat, and the LED light source structure is closely attached to the inner side of the thickened layer. In this way, the heat conduction rate of the thickened layer is greatly improved, and the heat generated by the LED light source structure can pass through the thickened layer in time and quickly. Spread throughout the entire shell and quickly dissipate into the outside air, high heat dissipation efficiency, so that the heat in the structure of the LED light source does not accumulate, effectively prolonging the service life of the LED lamp bead. The utility model realizes an LED projection lamp with reasonable structural design, high light reflectivity, high light utilization rate, good light output effect, high heat dissipation efficiency, strong waterproof sealing, effectively reducing production cost, and effectively reducing the overall lamp volume.

Description of drawings

Fig. 1 is a schematic view of the front structure of an embodiment of an LED floodlight with a power of 120W to 200W according to the present invention;

Fig. 2 is a schematic diagram of the rear structure of an embodiment of an LED floodlight with a power of 120W to 200W according to the present invention;

Fig. 3 is a three-dimensional structural diagram of an embodiment of an LED floodlight with a power of 120W to 200W according to 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 description

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 a LED floodlight with a power of 120W to 200W of the present utility model is proposed, which includes a housing 100, a cover 200 fixed at the front end of the housing 100, and a The LED light source structure at the inner bottom of 100 , the reflector 400 embedded in the casing 100 and surrounding the LED light source structure, and the light-transmitting sheet fixed between the surface cover 200 and the reflector 400 .

The LED floodlight also includes installation and adjustment frames 500 arranged on both sides of the casing 100 .

The face cover 200 is screwed and fixed to the casing 100 .

The LED floodlight also includes a sealing and waterproof driving device 600 which is located on the back of the housing 100 and is electrically connected to the LED light source structure. The driving device 600 is provided with a wire hole for the wire to pass through. Embedded with a waterproof rubber ring. The driving device 600 is installed and fixed on the back of the housing 100 by screws. In order to make the driving device have a good waterproof and sealing effect, the LED floodlights on the market now often have a driving device box that plays a waterproof and sealing effect on the outer casing of the driving device, and the driving device 600 of the utility model LED floodlight It has a casing of the driving device 600 which plays a waterproof sealing role, and a driving circuit board is arranged inside the casing. It can work normally without the need for an additional driver box for protection, which greatly saves raw materials, saves processing procedures, effectively reduces production costs, helps reduce the volume of the whole lamp, and is very convenient for transportation and installation. Moreover, the casing of the driving device 600 is made of heat-conducting metal, which greatly improves the heat dissipation efficiency of the driving device 600. The driving device 600 can be exposed to the outside air, has good sealing and waterproof protection, and can be transmitted in time and outwards. Dissipates heat to ensure the life of the driver board. In addition, a waterproof rubber ring is embedded between the wire hole of the driving device 600 and the wires. The waterproof rubber ring can effectively improve the sealing and waterproof performance of the driving device 600 and ensure the normal operation and service life of the driving device 600 .

A fixing bracket 700 for positioning and fixing the LED light source structure is fixed between the LED light source structure and the reflector 400 .

The LED light source structure includes a substrate 301 fixed on the inner bottom of the housing 100 , and LED lamp beads 302 arranged on the substrate 301 . The power range of the LED lamp beads 302 is 120W to 200W. In this embodiment, the number of LED lamp beads 302 is set to three.

The reflector 400 is arranged around the periphery of the LED lamp bead 302, and the reflector 400 is set in the shape of a terrace. It is coated with a specular reflective layer that can increase the reflectivity; the light is irradiated on the reflector 400, and is repeatedly reflected by each optical curved surface 401 that can improve the reflectivity, and finally shines outward, and the light reflectivity is very high. Now The reflective rate of the reflector of some LED floodlights is generally about 60%, while the reflective rate of this reflector 400 with the optical curved surface 401 can reach 80%-90%, the reflective rate is very high, and the light utilization rate is extremely high , Uniform luminescence without glare, high luminous efficiency, and ideal light output effect.

The back of the casing 100 extends outwards a number of stepped heat dissipation fins 101 that can increase the contact area with the outside air; the front cover 200 and the four sides of the casing 100 are correspondingly equipped with a number of ventilation and heat dissipation fins that can improve the heat dissipation efficiency. hole 102; the housing 100 is made of heat-conducting metal and has an integrated structure; in this way, the heat generated by the LED lamp bead 302 can be spread throughout the entire housing 100 in a timely manner and dissipated into the outside air, and the heat dissipation efficiency is high; while the heat dissipation fin The arrangement of fins 101 increases the contact area with the outside air, especially the stepped cooling fins 101, which further increases the contact area with the outside air and greatly improves the heat dissipation efficiency; in addition, the air can dissipate heat through ventilation. The holes 102 carry out convective circulation, and the flowing air can quickly take away the heat on the housing 100, further improving the heat dissipation efficiency, so that the entire LED floodlight has a good heat dissipation effect, and the heat is not accumulated, ensuring its long-term normal operation and effectively extending its service life.

A plurality of waterproof and breathable valves 103 connected to the inside of the shell 100 and having waterproof and breathable functions are provided on the rear end sidewall of the shell 100 . The waterproof and breathable valve 103 communicates with the inside of the housing 100, and also has the functions of waterproofing and ventilation. That is to say, it is difficult for external rainwater to enter the housing 100 from the waterproof and breathable valve 103, which will not affect the normal operation of the LED light source structure. At the same time, The hot air inside the body can flow from the waterproof breathable valve 103 to the outside air for heat exchange, effectively improving the heat dissipation efficiency. The waterproof breathable valve 103 is the respirator of the LED floodlight.

The inner bottom of the front end of the housing 100 is thickened in the longitudinal direction to form a longitudinally thickened layer, and the outer bottom of the rear end of the housing 100 is thickened in the transverse direction to form a horizontally thickened layer. The thickened layer of the LED light source structure conducts heat and dissipates heat, and the LED light source structure is closely attached to the inner side of the thickened layer. In this way, the heat conduction rate of the thickened layer is greatly improved, and the heat generated by the LED light source structure can pass through the thickened layer in time and quickly. Spread throughout the entire casing 100 and quickly dissipate into the outside air, the heat dissipation efficiency is high, so that the heat in the structure of the LED light source does not accumulate, and the service life of the LED lamp bead 302 is effectively extended.

The LED floodlight of the utility model includes a driving device 600 with a sealing and waterproof function located on the back of the housing 100. The driving device 600 is provided with a wire hole for the wire to pass through, and a waterproof rubber ring is embedded between the wire hole and the wire. . The driving device 600 is installed and fixed on the back of the housing 100 by screws. In order to make the driving device have a good waterproof and sealing effect, the LED floodlights on the market now often have a driving device box that plays a waterproof and sealing effect on the outer casing of the driving device, and the driving device 600 of the utility model LED floodlight It has a casing of the driving device 600 which plays a waterproof sealing role, and a driving circuit board is arranged inside the casing. It can work normally without the need for an additional driver box for protection, which greatly saves raw materials, saves processing procedures, effectively reduces production costs, helps reduce the volume of the whole lamp, and is very convenient for transportation and installation. Moreover, the casing of the driving device 600 is made of heat-conducting metal, which greatly improves the heat dissipation efficiency of the driving device 600. The driving device 600 can be exposed to the outside air, has good sealing and waterproof protection, and can be transmitted in time and outwards. Dissipates heat to ensure the life of the driver board. In addition, a waterproof rubber ring is embedded between the wire hole of the driving device 600 and the wires. The waterproof rubber ring can effectively improve the sealing and waterproof performance of the driving device 600 and ensure the normal operation and service life of the driving device 600 . In addition, the reflector 400 is arranged around the periphery of the LED lamp bead 302, and the reflector 400 is set in the shape of a terrace. The inner surface is coated with a specular reflective layer that can increase the reflectivity; the light is irradiated on the reflector 400, and is repeatedly reflected by each optical curved surface 401 that can increase the reflectivity, and finally shines outward, and the light reflectivity is very high , the reflective rate of the reflector of the existing LED floodlight is generally about 60%, while the reflective rate of the reflector 400 provided with the optical curved surface 401 can reach 80%-90%, the reflective rate is very high, and the light utilization rate Extremely high, uniform luminescence without glare, high luminous efficiency, and ideal light output effect. In addition, a number of stepped heat dissipation fins 101 extending outward from the back of the housing 100 can increase the contact area with the outside air; the four sides of the cover 200 and the housing 100 are correspondingly arranged with a number of fins 101 that can improve the heat dissipation efficiency. Ventilation and heat dissipation holes 102; the housing 100 is made of heat-conducting metal and has an integrated structure; in this way, the heat generated by the LED lamp bead 302 can be spread throughout the entire housing 100 in a timely manner and radiated to the outside air, and the heat dissipation efficiency is high; and The setting of the cooling fins 101 increases the contact area with the outside air, especially the stepped cooling fins 101, which further increases the contact area with the outside air and greatly improves the heat dissipation efficiency; in addition, the air can pass through The ventilation and cooling holes 102 carry out convection circulation, and the flowing air can quickly take away the heat on the housing 100, further improving the heat dissipation efficiency, so that the entire LED floodlight has a good heat dissipation effect, and the heat is not hoarded, ensuring its long-term normal operation and effectively prolonging its use life. In addition, a plurality of waterproof and breathable valves 103 connected to the inside of the shell 100 and having waterproof and breathable functions are provided on the rear end sidewall of the shell 100 . The waterproof and breathable valve 103 communicates with the inside of the housing 100, and also has the functions of waterproofing and ventilation. That is to say, it is difficult for external rainwater to enter the housing 100 from the waterproof and breathable valve 103, which will not affect the normal operation of the LED light source structure. At the same time, The hot air inside the body can flow from the waterproof breathable valve 103 to the outside air for heat exchange, effectively improving the heat dissipation efficiency. The waterproof breathable valve 103 is the respirator of the LED floodlight. In addition, the inner bottom of the front end of the housing 100 is thickened in the longitudinal direction to form a longitudinally thickened layer, the outer bottom of the rear end of the housing 100 is thickened in the transverse direction to form a horizontally thickened layer, and the longitudinally thickened layer and the laterally thickened layer form a cross-shaped The thickened layer is conducive to the heat conduction and heat dissipation of the LED light source structure. The LED light source structure is closely attached to the inner side of the thickened layer. In this way, the heat conduction rate of the thickened layer is greatly improved, and the heat generated by the LED light source structure can be passed through the thickened layer in time. The thick layer spreads throughout the entire casing 100 and quickly dissipates into the outside air. The heat dissipation efficiency is high, so that the heat in the structure of the LED light source is not accumulated, and the service life of the LED lamp bead 302 is effectively extended. The utility model realizes an LED projection lamp with reasonable structural design, high light reflectivity, high light utilization rate, good light output effect, high heat dissipation efficiency, strong waterproof sealing, effectively reducing production cost, and effectively reducing the overall lamp volume.

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 (6)

1. An LED floodlight with a power of 120W to 200W, characterized in that it includes a housing, a cover fixed at the front end of the housing, an LED light source structure located at the bottom of the housing, and embedded in the The reflector inside the housing and surrounding the structure of the LED light source, the light-transmitting sheet fixed between the cover and the reflector, and the light-transmitting sheet arranged on the back of the housing and connected to the The LED light source structure is electrically connected to a driving device with a sealing and waterproof function, the driving device is provided with a wire hole for the wire to pass through, and a waterproof rubber ring is embedded between the wire hole and the wire; A fixing bracket is fixed between the LED light source structure and the reflector to position and fix the LED light source structure; The LED light source structure includes a substrate fixed on the inner bottom of the housing, and LED lamp beads arranged on the substrate, and the power of the LED lamp beads is 120W to 200W; The reflector is set around the periphery of the LED lamp bead, and the reflector is set in the shape of a terrace. The inner wall of the reflector is covered with a number of arc-shaped convex optical surfaces that can increase the reflectivity. The inner surface of the reflector is coated with a specular reflective layer that can improve the reflectivity; The back of the housing extends outwards a number of stepped cooling fins that can increase the contact area with the outside air; The four side frames of the cover and the housing are correspondingly provided with a number of ventilation and heat dissipation holes which can improve the heat dissipation efficiency; The housing is made of heat-conducting metal and is integrally formed; The inner bottom of the front end of the housing is thickened in the longitudinal direction to form a longitudinally thickened layer, and the outer bottom of the rear end of the housing is thickened in the transverse direction to form a transversely thickened layer, and the longitudinally thickened layer and the transversely thickened layer are formed A cross-shaped thickened layer that is conducive to heat conduction and heat dissipation of the LED light source structure; The rear side wall of the housing is provided with several waterproof and breathable valves which are connected to the inside of the housing and have waterproof and breathable functions. 2 . The LED floodlight with a power of 120W to 200W according to claim 1 , wherein the casing of the driving device is made of heat-conducting metal. 3 . 3. The LED floodlight with a power of 120W to 200W according to claim 1 or 2, characterized in that the driving device is fixed on the back of the casing by screws. 4 . The LED floodlight with a power of 120W to 200W according to claim 3 , wherein the cover is screwed and fixed to the housing. 5 . 5 . The LED floodlight with a power of 120W to 200W according to claim 4 , characterized in that, the LED floodlight further comprises mounting and adjusting frames arranged on both sides of the housing. 5 . 6. The LED floodlight with a power of 120W to 200W according to claim 5, wherein the number of said LED lamp beads is set to three.