CN104235804A - Novel LED (light emitting diode) projection lamp - Google Patents

Abstract

The invention discloses a novel LED projecting light, which comprises a rear lamp housing with an open front end, a front lamp cover forming a lamp cavity is arranged on the front end of the rear lamp housing, and a light-emitting component and a Reflective reflector, the main point of its technical solution is that a rainwater temperature control probe for detecting whether it is raining outside is provided on the outer wall of the rear lamp housing, and an air cooling device is provided in the cavity of the lamp outside the reflector. The air-cooling device includes an air inlet pipe and an air exhaust pipe that are arranged oppositely on the two inner sides of the rear lamp housing and communicate with the outside world. The suction fan entering the cavity of the lamp and the exhaust fan connected with the exhaust pipe to discharge the hot air from the cavity of the lamp are provided with a control air intake pipe and an exhaust pipe in the air intake pipe and the exhaust pipe Solenoid valve that opens and closes. Through the above settings, the present invention has excellent heat dissipation performance and waterproof performance.

Description

A new type of LED flood light

【Technical field】

The invention belongs to the technical field of lighting, and in particular relates to a novel LED floodlight with high heat dissipation.

【Background technique】

With the continuous development of the LED industry, LED energy-saving lighting technology has also been continuously improved. High-power LED floodlights have more and more application fields, and the heat dissipation and waterproof requirements of high-power LED floodlights are also being paid more and more attention. . However, the current high-power LED floodlights generally have problems such as unsatisfactory heat dissipation, bulky appearance, difficult maintenance caused by non-modular design, and inability to expand power. In order to meet the needs of the market, people urgently need to develop a new generation of LED high-power floodlights from the aspects of appearance, cost, heat dissipation, installation, and modular design. The heat sink of the traditional high-power LED floodlight mainly relies on the one-piece die-cast aluminum shell to dissipate heat. The heat dissipation effect is not ideal, the waterproof performance is not good, and the working life in rainy days is short.

【Content of invention】

The purpose of the present invention is to overcome the deficiencies of the prior art, and provide a high-power waterproof LED floodlight with high heat dissipation effect, easy maintenance, good sealing effect and low cost, which can efficiently dissipate heat.

The present invention is achieved through the following technical solutions:

A new type of LED floodlight, comprising a rear lamp housing 2 with an open front end, the front end of the rear lamp housing 2 is docked with a front lamp cover 1 forming a lamp cavity 4, and the lamp cavity 4 is provided with a light-emitting The assembly 3 and the reflector 5 for reflection are characterized in that: a rainwater temperature control probe 8 for detecting whether it is raining outside is provided on the outer wall of the rear lamp housing 2, and the lamp cavity outside the reflector 5 4 is provided with an air-cooling device 7, the air-cooling device 7 includes an air inlet pipe 701 and an air exhaust pipe 702 arranged oppositely on the two inner sides of the rear lamp housing 2 and communicating with the outside world, the rear lamp housing 2 The bottom is respectively provided with a suction fan 703 connected with the air inlet pipe 701 for blowing outside air into the cavity 4 of the lamp and connected with the exhaust pipe 702 for dissipating heat from the cavity 4 of the lamp. The exhaust fan 704 for air discharge is equipped with a solenoid valve 705 for controlling the opening and closing of the air inlet pipe 701 and the air exhaust pipe 702 .

The above-mentioned new type LED floodlight is characterized in that: the solenoid valve 705 includes a solenoid coil 7051, a valve stem 7052, a valve core 7053 and a spring 7054, and the valve core 7053 includes a core cap 70531 and the core cap The core rod 70532 connected by 70531, the inner walls of the air inlet pipe 701 and the air exhaust pipe 702 are provided with an annular flange 707 and two concentric large cylindrical bodies 708 and small cylindrical bodies fixed on the inner walls of the pipes and communicated with the outside world. 709, the core cap 70531 fits with the annular flange 707 provided on the inner wall of the tube, the core rod 70532 is inserted into the small cylindrical body 709 and fits with its inner wall, the large cylindrical body 708 and the small cylindrical body An annular groove 706 is formed between the bodies 709, and a plurality of rods for fixing the small cylindrical body 709 on the inner wall of the large cylindrical body 708 are arranged in the annular groove 706, and the spring 7054 is arranged on the core The periphery of the rod 70532 has one end on one end face of the core cap 70531 and the other end on the rod. The electromagnetic coil 7051 and the valve rod 7052 connected to it are arranged at the inner end of the tube. The valve rod 7052 is also One end presses against the other end surface of the core cap 70531 , the suction fan 703 and the exhaust fan 704 are both connected to the pipe wall and the communication point is located between the annular flange 707 and the electromagnetic coil 7051 .

The above-mentioned new LED floodlight is characterized in that: the rods are three and fixed at 120 degrees to each other between the inner wall of the large cylindrical body 708 and the outer wall of the small cylindrical body 709, and the core rod 70532 is provided with There are multiple ribs 70533 that cooperate with the small cylindrical body 709 .

The above-mentioned novel LED floodlight is characterized in that: the light-emitting assembly 3 includes an LED light source 301 arranged at the bottom of the reflector 5, a power supply intelligent driving module 302, and an electric wire 303 connected to the power supply intelligent driving module 302 .

The above-mentioned novel LED floodlight is characterized in that: a plurality of rows of heat conduction columns 6 for absorbing light heat are arranged at the bottom of the rear lamp housing 2, and the heat conduction columns 6 are divided into two groups, respectively The suction fan 703 and the exhaust fan 704 on both sides of the LED light source 301 are directly opposite to each other.

The above-mentioned novel LED floodlight is characterized in that: the outer nozzles of the air inlet pipe 701 and the air exhaust pipe 702 are provided with a waterproof cover 11 .

The above-mentioned new LED floodlight is characterized in that: the reflector 5 is in the shape of a trapezoid and is detachably installed at the opening of the rear lamp housing 2, and the opening of the rear lamp housing 2 is also provided with a waterproof The outer wall of the rear lamp housing 2 is provided with a fixing clip 10 for clamping the rear lamp housing 2 and the front lamp cover 1, and the fixing clip 10 is provided with a top pressure on the rear lamp housing 2 Screw 14 at the opening.

The above-mentioned new LED floodlight is characterized in that: the back of the rear lamp housing 2 is provided with an aluminum heat dissipation assembly 12, and the heat dissipation assembly includes an aluminum heat sink fixed on the back of the rear lamp housing 2 with screws. The base plate 1201 and multiple rows of aluminum cooling fins 1202 are arranged in parallel on the aluminum base plate 1201 , and a plurality of cooling holes 1203 for air circulation are provided at the bottom of the aluminum cooling fins 1202 .

The above-mentioned novel LED floodlight is characterized in that: the fixed plate 1301 and the adjustable bracket 1304 are both made of aluminum parts by stretching.

The above-mentioned new type LED floodlight is characterized in that: the two sides of the rear lamp housing 2 are provided with adjustable mounting frame components 13, and the adjustable mounting frame components 13 include screws fixed on both sides of the rear lamp housing 2. The fixed plate 1301 is provided with a central threaded hole 1302 in the middle of the fixed plate 1301, and the periphery of the fixed plate 1301 is provided with a plurality of side threaded holes 1303 along an arc, and the fixed plates 1301 on both sides pass through the central threaded hole 1302 and one of them The side threaded hole 1303 is screwed with an adjustable bracket 1304 .

Compared with prior art, the present invention has following advantage:

1. The present invention is equipped with an air-cooling device, so that the floodlight not only relies on aluminum heat sinks to dissipate heat, but also sets a suction fan and an exhaust fan on both sides of the floodlight, and the suction fan cools the outside cold air Inhaled into the interior of the lamp, the cold air will cool the heat conduction column used to absorb the heat of the lamp source, and the exhaust fan will discharge the cooled hot air out of the floodlight, and a modified electromagnetic Valve, the solenoid valve is intelligently driven by the power supply intelligent drive module. When it is raining or not working, the solenoid valve will be powered off, and the spring top pressure core will block the annular flange to prevent external rainwater from entering the floodlight. The rainwater temperature control probe installed on the outer wall judges whether it is raining by detecting the temperature and humidity of the outside world. On sunny days, the solenoid valve is energized, and when the coil is energized, it pushes the valve stem to press the core, the spring is compressed, and the solenoid valve is in the open state. The cavity of the lamp is communicated with the outside through the air inlet pipe and the air exhaust pipe, and the heat dissipation fan works at the same time. A waterproof cover is also provided outside the air inlet pipe and the air exhaust pipe. The air cooling device of the present invention has high heat dissipation efficiency and good waterproof performance .

2. The present invention is provided with a sealing ring between the front light cover and the rear light housing, and the front light cover and the rear light housing clamp the sealing ring with the fixing clip and the screw on it, which further enhances its waterproof performance.

3. In the present invention, an aluminum heat dissipation assembly is provided on the back of the rear lamp housing, and a plurality of heat dissipation holes for air circulation are provided at the bottom of the aluminum heat sink, which has a good ventilation effect and is conducive to timely and effective heat dissipation.

4. The front lamp cover and the rear lamp housing of the present invention are butt-jointed and detachably connected, and the heat sink substrate and the back of the rear lamp housing are fixed by screws, which are convenient for disassembly and installation, assembly and maintenance.

5. The adjustable mounting bracket assembly of the present invention is connected to the adjustable bracket through the central threaded hole and side threaded holes on the fixing plate, so that the bracket can be precisely adjusted to the installation angle, and is suitable for installation in various environments.

【Description of drawings】

Fig. 1 is a perspective view of the present invention;

Fig. 2 is an exploded view of the present invention;

Fig. 3 is a sectional view of the present invention;

Fig. 4 is a sectional view of the air cooling device of the present invention.

In the figure: 1 is the front lamp cover; 2 is the rear lamp housing; 3 is the light-emitting component; 301 is the LED light source; 302 is the power intelligent drive module; 303 is the wire; 4 is the lamp cavity; 5 is the reflector; 6 is the 7 is the air cooling device; 701 is the air inlet pipe; 702 is the exhaust pipe; 703 is the suction fan; 704 is the exhaust fan; 705 is the solenoid valve; 7051 is the electromagnetic coil; Valve core; 70531 is the core cap; 70532 is the core rod; 70533 is the rib; 7054 is the spring; 706 is the ring groove; 707 is the annular flange; 708 is the large cylinder; Control probe; 9 is sealing ring; 10 is fixing clip; 11 is waterproof cover; 12 is cooling assembly; 1201 is aluminum substrate; 1202 is aluminum heat sink; 1203 is cooling hole; 13 is adjustable mounting frame assembly; 1301 1302 is a central threaded hole; 1303 is a side threaded hole; 1304 is an adjustable support; 14 is a screw.

【Detailed ways】

The present invention will be further described below in conjunction with accompanying drawing:

A new type of LED floodlight, comprising a rear lamp housing 2 with an open front end, the front end of the rear lamp housing 2 is docked with a front lamp cover 1 forming a lamp cavity 4, and the lamp cavity 4 is provided with a light-emitting Component 3 and a reflector 5 for reflection, a rainwater temperature control probe 8 for detecting whether it is raining outside is provided on the outer wall of the rear lamp housing 2, and a lamp cavity 4 outside the reflector 5 is provided with The air cooling device 7, the air cooling device 7 includes an air inlet pipe 701 and an air exhaust pipe 702 arranged oppositely on the two inner sides of the rear lamp housing 2 and communicating with the outside world, and the bottom of the rear lamp housing 2 is respectively provided with A suction fan 703 connected with the air inlet pipe 701 for blowing external air into the cavity 4 of the lamp and an exhaust fan 703 connected with the exhaust pipe 702 for discharging hot air from the cavity 4 of the lamp The air fan 704 is provided with a solenoid valve 705 for controlling the opening and closing of the air inlet pipe 701 and the air exhaust pipe 702 . Through the above-mentioned good heat dissipation performance, the floodlight can be made into a high-power floodlight above 200W.

The solenoid valve 705 includes an electromagnetic coil 7051, a valve stem 7052, a valve core 7053 and a spring 7054. The valve core 7053 includes a core rod 70531 and a core rod 70532 connected to the core rod 70531. The air inlet pipe 701 and The inner wall of the exhaust pipe 702 is provided with an annular flange 707 and two concentric large cylindrical bodies 708 and small cylindrical bodies 709 fixed on the inner wall of the pipe and communicating with the outside world. shaped flange 707, the core rod 70532 is inserted into the small cylindrical body 709 and fits with its inner wall, and an annular groove 706 is formed between the large cylindrical body 708 and the small cylindrical body 709. The slot 706 is provided with a plurality of rods for fixing the small cylindrical body 709 on the inner wall of the large cylindrical body 708. The spring 7054 is arranged on the outer periphery of the core rod 70532 and one end of the core rod 70531. The other end of the end surface is pressed against the rod, the electromagnetic coil 7051 and the valve rod 7052 connected to it are arranged at the inner end of the tube, and the other end of the valve rod 7052 is pressed against the other end face of the core cap 70531 , both the suction fan 703 and the exhaust fan 704 are in communication with the pipe wall, and the communication point is located between the annular flange 707 and the electromagnetic coil 7051 .

The rods are three and fixed at 120 degrees to each other between the inner wall of the large cylindrical body 708 and the outer wall of the small cylindrical body 709, and the core rod 70532 is provided with a plurality of ribs that cooperate with the small cylindrical body 709 70533.

The light-emitting assembly 3 includes an LED light source 301 arranged at the bottom of the reflector 5 , a power intelligent driving module 302 and a wire 303 connected to the power intelligent driving module 302 . The power supply intelligent drive module 302 rectifies 220V AC into a constant current source to supply power to the LED light source 301, and realizes automatic control internally through a program.

The bottom of the rear light housing 2 is also provided with a plurality of rows of heat conduction columns 6 for absorbing the heat of the light. It is directly opposite to the exhaust fan 704.

The rear lamp housing 2 is made of aluminum material, the front lamp cover 1 is made of glass material, and the reflector 5 is an aluminum reflector.

A waterproof cover 11 is provided at the outer nozzles of the air inlet pipe 701 and the air exhaust pipe 702 . The reflector 5 is trapezoidal and is detachably installed at the opening of the rear lamp housing 2. A sealing ring 9 for waterproofing is provided in the aluminum groove on the front flange of the rear lamp housing 2. The sealing ring 9 is a silicone material, and the outer wall of the rear lamp housing 2 is provided with a fixing clip 10 for clamping the rear lamp housing 2 and the front lamp cover 1. Screw 14 at the opening. Through the above waterproof measures, the interior of the floodlight can be completely sealed and waterproof, and the waterproof level is IP65.

The back of the rear lamp housing 2 is provided with an aluminum heat dissipation assembly 12, and the heat dissipation assembly 12 includes an aluminum substrate 1201 fixed on the back of the rear lamp housing 2 with screws and a plurality of rows arranged in parallel on the aluminum substrate. The aluminum heat sink 1202 on 1201 is provided with a plurality of heat dissipation holes 1203 for air circulation at the bottom of the aluminum heat sink 1202 .

Both the fixed plate 1301 and the adjustable bracket 1304 are made of aluminum parts by stretching, which has good heat dissipation effect, no rust, long service life and simple stretching process.

Both sides of the rear lamp housing 2 are provided with adjustable mounting frame components 13, and the adjustable mounting frame components 13 include fixing plates 1301 fixed on both sides of the rear lamp housing 2 with screws. Threaded holes 1302, the periphery of the fixed plate 1301 is provided with a plurality of side threaded holes 1303 along the arc, and the fixed plate 1301 on both sides is screwed with an adjustable bracket 1304 through the central threaded hole 1302 and one of the side threaded holes 1303, so that the bracket The installation angle can be adjusted precisely, which is suitable for installation in various environments.

Claims (10)

1. a Novel LED projection lamp, include the rear lamp housing (2) of front opening, the front end of described rear lamp housing (2) is to being equipped with the headlight door (1) forming chamber resettling (4), luminescence component (3) is provided with and for reflective reflector (5) in described chamber resettling (4), it is characterized in that: lamp housing (2) outer wall is provided with for detecting the outside rainwater temperature probe (8) whether rained in the rear, air cooling equipment (7) is provided with in the chamber resettling (4) that described reflector (5) is outside, described air cooling equipment (7) be included in described rear lamp housing (2) two inside be oppositely arranged and the blast pipe be in communication with the outside (701) and exhaust duct (702), the bottom of described rear lamp housing (2) is respectively equipped with and is connected for extraneous air being blown into the supply fan (703) of described chamber resettling (4) and being connected with described exhaust duct (702) for the scavenger fan (704) of being discharged by the hot-air of described chamber resettling (4) with described blast pipe (701), be equipped with in described blast pipe (701) and exhaust duct (702) and control blast pipe (701) and the magnetic valve (705) that opens and closes of exhaust duct (702).

2. Novel LED projection lamp according to claim 1, it is characterized in that: described magnetic valve (705) comprises solenoid (7051), valve rod (7052), spool (7053) and spring (7054), described spool (7053) comprises the core bar (70532) that core emits (70531) and emits with described core (70531) to be connected, described blast pipe (701) and exhaust duct (702) inwall be equipped with collar flange (707) and two be fixed on inside pipe wall and the concentric large cylindrical body (708) be in communication with the outside, little cylindrical body (709), described core emits (70531) to fit with the collar flange (707) being located at inside pipe wall, described core bar (70532) to insert in described little cylindrical body (709) and coordinates with its inwall, an annular groove (706) is formed between described large cylindrical body (708) and little cylindrical body (709), the bar that described little cylindrical body (709) is fixed on described large cylindrical body (708) inwall by many is provided with in described annular groove (706), described spring (7054) is located at that described core bar (70532) is peripheral and one end withstands on described core emits the other end on an end face of (70531) to withstand on described bar, described solenoid (7051) and coupled valve rod (7052) are located at the medial extremity of pipe, described valve rod (7052) other end top is pressed in described core and emits on the other end of (70531), described supply fan (703) and scavenger fan (704) are all connected with tube wall and connectivity part is positioned between described collar flange (707) and solenoid (7051).

3. Novel LED projection lamp according to claim 2, it is characterized in that: described bar is three and is mutually 120 degree to be fixed between described large cylindrical body (708) inwall and little cylindrical body (709) outer wall, and described core bar (70532) is provided with many muscle (70533) coordinated with described little cylindrical body (709).

4. Novel LED projection lamp according to claim 3, is characterized in that: described luminescence component (3) comprises the LED lamp source (301) and the power supply smart driver module (302) that are located at reflector (5) bottom and the electric wire (303) be connected with described power supply smart driver module (302).

5. Novel LED projection lamp according to claim 4, it is characterized in that: the bottom of lamp housing (2) is also provided with the heating column (6) of many rows for absorption modulation photo-thermal amount in the rear, described heating column (6) is divided into two groups, is located at the supply fan (703) of described LED lamp source (301) both sides and the positive counterpart place of scavenger fan (704) respectively.

6. Novel LED projection lamp according to claim 5, is characterized in that: the mouth of pipe place, outside of described blast pipe (701) and exhaust duct (702) is provided with bucker (11).

7. the Novel LED projection lamp according to any one of claim 1 to 6, it is characterized in that: described reflector (5) is in trapezoidal shape and be detachably installed on described rear lamp housing (2) opening part, described rear lamp housing (2) opening part is also provided with the sealing ring (9) for waterproof, described rear lamp housing (2) outer wall is provided with the geometrical clamp (10) of the described rear lamp housing (2) of clamping and described headlight door (1), and described geometrical clamp (10) is provided with the screw (14) of described rear lamp housing (2) opening part of top pressure.

8. Novel LED projection lamp according to claim 7, it is characterized in that: described rear lamp housing (2) back is provided with the radiating subassembly (12) of aluminium matter, described radiating subassembly (12) comprises the aluminum substrate (1201) that is screwed in described rear lamp housing (2) back and arranges the aluminium heat sink (1202) be set in parallel on described aluminum substrate (1201) more, is provided with multiple louvre for air circulation (1203) in the bottom of described aluminium heat sink (1202).

9. Novel LED projection lamp according to claim 8, is characterized in that: described fixed head (1301) and adjustable support (1304) are made by stretching mode by aluminium matter part.

10. Novel LED projection lamp according to claim 9, it is characterized in that: described rear lamp housing (2) both sides are provided with adjustable installing rack assembly (13), described adjustable installing rack assembly (13) comprises the fixed head (1301) being screwed in rear lamp housing (2) both sides, central screw hole (1302) is provided with in the middle of described fixed head (1301), described fixed head (1301) periphery is arcuately provided with multiple sides screwed hole (1303), the fixed head (1301) of both sides is bolted with adjustable support (1304) by central screw hole (1302) and one of them side screwed hole (1303).