77results about "Lighting heating/cooling arrangements" patented technology

The present invention describes a light emitting diode illumination apparatus made of a light bulb base, a heat dissipating device, a plastic lid, a drive substrate, a metal substrate, a circular insulated base and a casing, and the heat dissipating device is in contact with the metal substrate in normal conditions, such that the heat source produced by each light emitting diode is conducted to the heat dissipating device through the metal substrate and then conducted from the heat dissipating device to the light bulb base for effectively dispersing the heat source and maintaining the light emitting efficiency of each light emitting diode.

Air flow management of a compact fluorescent lamp fixture is provided to cool the lamps. Lamp chamber ventilation is passive and / or active through the use of vents in the lamp chamber and / or the use of a fan to induce air flow. Ballast housing ventilation is also provided to manage temperatures inside ballast housings associated with lamp chambers of compact fluorescent lamp fixtures.

Light emitting diode (LED) modules useable in festoon-type lighting applications and lighting systems incorporating such modules. The LED module generally includes a circuit board having one or more LEDs mounted in a heat sink member. Contact members are attached to opposing ends of device. The heat sink is not required to conduct electrical current when the LED(s) is / are illuminated. High powered LEDs (greater than ½ Watt) may be employed.

The invention relates to an LED street lamp which comprises a shell, a cover body and an explosion-proof piece, wherein the shell is in a rotary table type hollow structure; the outer surface of the shell is sleeved with a transparent piece; the inner surface of the shell is provided with a heat radiating structure; a sealing cavity is formed between the transparent piece and the outer surface ofthe shell and is used for containing a luminous light source; the cover body is of an inverted bowl shape and is provided with a plurality of through holes; the through holes extend downwards to the edge position of the wall of the bowl; the explosion-proof piece is contained in a containing cavity; a gap is reserved between the explosion-proof piece and the end surface of the shell; an explosion-proof cavity is formed on the explosion-proof piece and used for accommodating an electrical equipment element used for driving the luminous light source to emit light; the lower surface of a lower cover of the explosion-proof piece is provided with a power terminal of the street lamp; a power line of a circuit board in the explosion-proof cavity is led out through an explosion-proof connector lug; then the power line is led into a street lamp column by a connector lug of the street lamp column at the lower part of the shell; and consequently the LED street lamp is applied to a street lamp conveniently.

The invention discloses an LED lamp with water-proof and dust-proof functions. The LED lamp with the water-proof and dust-proof functions comprises a lamp holder shell, a lampshade, a light source plate and a radiating base, wherein a plurality of ventilating passages for air circulation are formed inside the radiating base; an insulating block used for connecting the radiating base and the lampshade is arranged between the radiating base and the lampshade; a step part is formed in one side, facing to the radiating base, of the insulating block, the radiating base is attached to the step part, and an air inlet communicated with the ventilating passages is informed between the radiating base and the insulating block; one side, facing to the lampshade, of the insulating block, extends to form a stopping edge with a surrounding periphery, and the light source plate and the lampshade are mounted inside the stopping edge; a connecting piece used for connecting the radiating base and the lamp holder shell is further arranged between the radiating base and the lamp holder shell; a plurality of exhaust passages communicated with the ventilating passages and the outside are further arranged on the connecting piece; and the air inlet, the ventilating passages and the exhaust passages are in communication in sequence to form air circulation passages. According to the LED lamp provided by the invention, air circulation heat dissipation is performed through the ventilating passages, and the insulating block is used for preventing the light source plate from being impacted by water and dust.

The invention discloses an RGB synchronous intelligent light string. The RGB synchronous intelligent light string comprises an intelligent power supply, a controller, light strings and a main circuit,wherein the plurality of light strings are connected in parallel with the main circuit; the intelligent power supply is connected with the controller; the controller is connected with the main circuit; a 220 V voltage is accessed into one end of an IP44 plug; the other end of the plug is accessed into a resistance wire for current protection, a piezoresistor for voltage limiting control, a filterfor noise filtration and signal separation and a filtering circuit for high-frequency resistance and low-frequency passing; an output end of the filtering circuit is connected to an input end of an MOSFET and a DCDC transformer; the DCDC transformer outputs direct current of which the voltage is changed into a driver and an IRF; the IRF is connected with a program module, a remote control module,a WiFi module and a Bluetooth module; a signal output by the IRF passes through a driving module; the driving module and an output end of the DCDC transformer are connected to the input end of the MOSFET; and an output end of the MOSFET is connected to an end part of the main circuit. The RGB synchronous intelligent light string can simultaneously control the colors of the plurality of light strings to improve a decorative effect.

The invention discloses an LED lamp with a water-circulating heat dissipation function. The LED lamp comprises an LED wafer (1), a connecting wire (2), a lens (3), an LED wafer substrate (5), a system circuit board (6) and a heat dissipation fin (7), wherein a heat dissipation device (8) used for heat dissipation is arranged below the heat dissipation fin (7); the water inlet (9) of the heat dissipation device (8) is positioned under the heat dissipation device (8); and two or more water outlets (10) are arranged the heat dissipation device (8) and uniformly distributed on the side surface of the heat dissipation device (8). The LED lamp has the beneficial effects that the water inlet is arranged under the heat dissipation device and the water outlets are arranged on the side surface of the heat dissipation device, and water flows in from below and flows out from the surroundings, so that water flow of relative low temperature is formed from the middle to both sides of the heat dissipation fin, heat on the heat dissipation fin is brought away, uniform heat absorption of the water flow is achieved, heat absorption efficiency of the water flow is improved, and all regions of the heat dissipation fin can keep the same and stable temperature.

The invention relates to the field of an illumination lamp, in particular to a quick heat-radiation light emitting diode (LED) garden lamp having a good heat radiation effect, which aims to solve the heat radiation difficulty of the present LED lamp, and has fast heat radiation speed and large amount of heat radiation. The invention adopts a technical scheme that: the quick heat radiation LED garden lamp consists of a lamp holder, a heat radiator and a lamp adapter, which are sequentially connected with each other from top to bottom, wherein an axial through hole is arranged in the middle of the heat radiator, the periphery of the through hole is provided with heat radiation sheets, the upper end of a heat conducting bar is embedded inside the through hole, the lower end surface of the heat conducting bar is sequentially provided with a binding layer, an insulation layer substrate, a copper-clad layer and an insulation layer, and LED lamp beads are welded on the heat conducting bar through a tin soldering layer. 95 percent of the heat is radiated from the inside of each lamp bead through a central point of the LED lamp beads, and good heat conduction performance of the heat conducting bar and a mechanical-connection-free interference fit way between the heat conducting bar and the heat radiator are utilized to quickly transfer the heat received by the heat conducting bar to the heat radiator.

The invention relates to a novel LED bulb lamp comprising an optical film, a flexible LED light-emitting module, an LED driving power supply, a plastic connecting piece and a lamp cap. The LED driving power supply is connected with the flexible LED light-emitting module, the plastic connecting piece and the lamp cap. The optical film covers the surface of the flexible LED light-emitting module which sleeves a radiating component. The optical film comprises soft transparent silicone, resin and organic diffusion powder. In order to make the optical film, the soft transparent silicone, the resin and the organic diffusion powder are mixed uniformly, the mixture is put in a drying oven to be baked to the semi-crystalline status and nested in a mold at the moment, and the mixture is baked to the crystalline status. The bulb lamp is high in luminous efficiency, light brightness and color rendering index and good in light-emitting angle. More light can be emitted with least electrical energy, energy conservation and emission reduction can be realized, and the LED bulb lamp is safe and convenient. By the optical film, glare can be restrained effectively, and the novel LED bulb lamp is healthier.

The invention provides a high-power LED mining lamp. The high-power LED mining lamp comprises an LED light source, a uniform temperature board and a heat sink, wherein the LED light source is attached to the bottom face of the uniform temperature board; the heat sink is attached to the top face of the uniform temperature board; a chimney is arranged on the heat sink. The high-power LED mining lamp has the beneficial effect that the heat dissipation capacity of the heat sink and the heat dissipation efficiency can be greatly improved through the chimney.

The invention relates to the technical field of municipal street lamps, and particularly relates to a solar power supply municipal street lamp and an installation method thereof. The solar power supply municipal street lamp comprises a street lamp base, a street lamp pole is vertically and fixedly connected to the upper base surface of the street lamp base, a street lamp supporting rod fixedly extends to the outer wall, close to the top, of the street lamp pole, and a lighting lamp body is arranged at the street lamp supporting pole end far away from the street lamp pole; positioning sliding rails parallel to the lifting screws are arranged on the outer walls, located on the two sides of the strip-shaped lifting groove, of the street lamp pole, the outer walls of the lifting screws are connected with lifting blocks in sliding connection with the positioning sliding rails in a threaded mode, and the optical fiber lighting lamp communicates with optical fiber tubes which penetrate through the street lamp supporting pole and the street lamp pole correspondingly; and the end part of the optical fiber tube penetrates through the outer wall, close to the street lamp base, of the street lamp pole and communicates with an optical fiber generator arranged on the upper base surface of the street lamp base. The pressure of a municipal power grid is effectively relieved, and meanwhile, the optical fiber generator can be connected in series with a plurality of devices similar to the street lamp in practice so that the equipment investment cost is greatly saved.