CN201513768U - High-power LED fluorescent lamp of thin-wall heat radiator - Google Patents

Abstract

The utility model discloses a high-power LED fluorescent lamp of a thin-wall heat radiator. All high-power LEDs are fixed on and electrically connected with a metal-based circuit board; anodes and cathodes of the high-power LEDs pass through the metal-based circuit board and the heat radiator through leads, are led to the heat radiator and connected with the output ends of constant current switch power supplies; the input ends of the constant current switch power supplies are electrically connected to a lamp tube copper needle; the heat radiator is a rectangular thin-wall heat radiator made of thin-wall metal heat-radiating material; sliding slideways are arranged at the upper ends of two side walls of the heat radiator; a plurality of small rib pieces are arranged on the inner wall of the upper end wall; arc diffusers are hooped in the sliding slideways; the constant current switch power supplies are arranged in power supply bins which are respectively positioned at two ends of the heat radiator; and one end of each constant current switch power supply is inserted and fixed in the heat radiator and the other end of each constant current switch power supply is sealed by an end cover. The utility model can be directly used on a common LED fluorescent lamp without an electric fluorescent starter and has the advantages of simple structure, small volume, light weight, simple manufacturing process, convenient installation and maintenance, low cost and maintenance cost, good heat-radiating effect and great prolonging of the service life of the LED.

Description

High-power LED fluorescent light of thin-wall radiator

One, technical field

The utility model relates to a kind of semiconductor lamp, relates in particular to a kind of high-power LED daylight lamp.

Two, background technology

At lighting field, fluorescent lamp is extensive use of in room lighting with advantages such as it is succinct, easy to use, price is low, relative incandescent lamp luminous efficiency height, good energy-conserving effects.But the fluorescent lamp cracky, light decay is fast, and the life-span is short, and it is still very high consume energy, and the mercury that overflows in breakage or the fluorescent tube that goes out of use can also pollute surrounding environment.So at lighting field, best light source is a led light source.LED is as the lighting source of a new generation with solid luminescent, have that volume is little, in light weight, light efficiency is high, mechanical strength is big, safe and reliable, life-span length, applying flexible, switch tolerance performance are good, be convenient to plurality of advantages such as management control, have the absolute predominance replacement and replace traditional incandescent lamp and power saving fluorescent lamp.But because the low power LED of the general use of existing LED fluorescent lamp, its luminous efficiency is low, the LED that uses is many, can't solve the problem of the luminous uniformity and heat radiation, in order to solve heat dissipation problem, it generally is that housing is made flat radiator, that have even the back side of radiator made the shape of band heat radiation wing, its Heavy Weight, volume is big, outward appearance is not attractive in appearance, can not be applied.Also there is sub-fraction to adopt great power LED now, great power LED luminous efficiency height, but it requires higher to heat dissipation technology, the power of LED is big more, the heat flow density of its chip is high more, and is also high more to the radiating effect requirement of radiator, in order to reach good radiating effect, the volume of its radiator is still very big, very heavy, and the connection mode of itself and light fixture and existing fluorescent lamp is different, and existing daylight lamp holder can not use, can not directly replace existing fluorescent tube, new light fixture must be installed.So, do not promote yet and open.

Three, summary of the invention

The utility model solves the above-mentioned problems in the prior art exactly, a kind of good heat dissipation effect, brightness height is provided, can uses the high-power LED fluorescent light of thin-wall radiator of existing common fluorescent lamp tool.

For addressing the above problem, technical solution of the present utility model is: a kind of high-power LED fluorescent light of thin-wall radiator, the end cap that it comprises radiator, metal base circuit board, a plurality of great power LED, arch diffuser, constant current switch power supply, two power storehouses and is fixed with fluorescent tube copper pin; Great power LED evenly is fixed on the metal base circuit board, and be electrically connected with metal base circuit board, positive and negative electrode is guided in the radiator by the wire guide that lead passes on metal base circuit board and the radiator, be connected with the output of constant current switch power supply, the input of constant current switch power supply is connected electrically on the fluorescent tube copper pin; Metal base circuit board is fixed on the radiator; Radiator is the rectangular build thin-wall radiator of being made by the thin-wall metal material, and there is the slip slideway upper end of its two side, and a plurality of little fins are arranged on the inwall of its upper end wall; Arch diffuser clip is in the slip slideway; The constant current switch power supply places in the power storehouse, and the power storehouse branch is positioned at the two ends of radiator, and the one end is pegged graft and is fixed in the radiator, and other end envelope has end cap.

The utility model also comprises reflector, and reflector is installed on the metal base circuit board, and the installing hole that its bottom surface has is enclosed within around the great power LED, and its reference column is inserted in the locating hole that has on the metal base circuit board.

Reflector described in the utility model is that class is petal, the horizontal line that links together by a parabolical part with a parabolical part rotates a circle along the vertical line of horizontal end points and forms the rotational forming body, on rotational forming body bottom surface, open the installing hole of great power LED, in order to rotational forming body upper surface outer rim radius is the length of side, central shaft with the rotational forming body is the regular hexagon at center, from the upper end vertically run through and lateral resection rotational forming body after form the petal main body of class, two reference columns that are connected with circuit board are arranged on the main body bottom surface, and main body inner wall is provided with a plurality of arc male and fomale(M﹠F)s; Perhaps reflector is that positive hexagonal is cup-shaped, positive cup-shaped per two opposite faces of hexagonal are the face that same parabolical two symmetric part translations form, open the installing hole of great power LED on the bottom surface, two reference columns that are connected with circuit board are arranged on the bottom surface, the inwall of reflector is provided with a plurality of arc male and fomale(M﹠F)s, and the outer rim of upper surface is a plumb cut; Perhaps the reflector outer wall is that positive hexagonal is cup-shaped, inwall is the class truncated cone-shaped, open the installing hole of great power LED on the bottom surface, two reference columns that are connected with circuit board are arranged on the bottom surface, the outer rim of upper surface is a plumb cut, per two opposite faces of the outer surface that positive hexagonal is cup-shaped are the outer surface of the formed body of same parabolical two symmetric part translations formation, inwall be by a parabolical part along the rotate a circle inner surface of the rotational forming body that forms of the vertical line at the cup-shaped center of positive hexagonal, inwall is provided with a plurality of arc male and fomale(M﹠F)s.

The material of making reflector described in the utility model uses the surface to synthesize fire retardant by the ABS that ion beam sputtering deposition technology plates non-conductive material reflective membrane, and its reflecting effect is good, and coating has alcohol wipe and do not come off, and boiling water boils non-discoloring advantage for a long time.

The heat that great power LED of the present utility model produces is transferred to radiator by metal base circuit board, the abundant convective exchange of radiator and air, and the good heat dissipation effect of its radiator, in light weight, save the heat dissipation metal material, its great power LED luminous efficiency height.The utility model is simple in structure, volume is little, in light weight, manufacture craft is simple, and is easy to maintenance, cost and maintenance cost are two low, its radiating effect is higher than the radiator of prior art far away, has prolonged the service life of LED greatly.The arch diffuser can be directly installed on the radiator upper end, does not need other aids, and is easy and simple to handle.During installation,, just can be directly installed on the common fluorescent lamp tool as long as the starter on the fluorescent lamp tool is removed, identical with traditional fluorescent lamp pipe mounting means, so, apply and will become very easy.

Four, description of drawings

The utility model will be further described below in conjunction with accompanying drawing:

Fig. 1 is the structural representation of first kind of embodiment of the utility model;

Fig. 2 is the structural representation of second kind of embodiment of the utility model.

Five, the specific embodiment

As shown in Figure 1, present embodiment comprises radiator 9, aluminum-based circuit board 6, a plurality of great power LED 7, reflector 8, arch diffuser 12, constant current switch power supply 3, two power storehouses 4 and is fixed with the end cap 2 of fluorescent tube copper pin 1.Great power LED 7 is fixed on the aluminum-based circuit board 6, and with after aluminum-based circuit board 6 is electrically connected, positive and negative electrode is guided in the radiator 9 by the wire guide that lead passes on aluminum-based circuit board 6 and the radiator 9, be connected with the output of constant current switch power supply 3, the input of constant current switch power supply 3 is connected electrically on the fluorescent tube copper pin 1.Aluminum-based circuit board 6 is welded on the radiator 9.Radiator 9 is rectangular build thin-wall radiators of being made by the Thin-walled Aluminum heat sink, and there is the slip slideway 10 identical with the length of radiator 9 upper end of its two side, and a plurality of little radiated ribs 5 are arranged on the inwall of its upper end wall.Radiator 9 sidewalls have the heat radiation aperture.Reflector 8 adopts the petal reflector of class of indoor high-power LED lamp, it is that class is petal, the horizontal line that links together by a parabolical part with a parabolical part rotates a circle along the vertical line of horizontal end points and forms the rotational forming body, on rotational forming body bottom surface, open the installing hole of great power LED, in order to rotational forming body upper surface outer rim radius is the length of side, central shaft with the rotational forming body is the regular hexagon at center, from the upper end vertically run through and lateral resection rotational forming body after form the petal main body of class, two reference columns that are connected with circuit board are arranged on the main body bottom surface, and main body inner wall is provided with a plurality of arc male and fomale(M﹠F)s; It is installed on the aluminum-based circuit board 6, and the installing hole that its bottom surface has is enclosed within around the great power LED 7, and its reference column 13 is inserted in the locating hole that has on the aluminum-based circuit board 6.Arch diffuser 12 clips are in the slip slideway.Constant current switch power supply 3 places in the power storehouse 4, and power storehouse was positioned at the two ends of radiator 6 in 4 minutes, and the one end is pegged graft and is fixed in the radiator 6, and other end envelope has end cap 2.

As shown in Figure 2, present embodiment is not except having reflector, and other structure is with embodiment shown in Figure 1.

Claims (4)

1. a high-power LED fluorescent light of thin-wall radiator is characterized in that: the end cap that it comprises radiator, metal base circuit board, a plurality of great power LED, arch diffuser, constant current switch power supply, two power storehouses and is fixed with fluorescent tube copper pin; Great power LED evenly is fixed on the metal base circuit board, and be electrically connected with metal base circuit board, positive and negative electrode is guided in the radiator by the wire guide that lead passes on metal base circuit board and the radiator, be connected with the output of constant current switch power supply, the input of constant current switch power supply is connected electrically on the fluorescent tube copper pin; Metal base circuit board is fixed on the radiator; Radiator is the rectangular build thin-wall radiator of being made by the thin-wall metal material, and there is the slip slideway upper end of its two side, and a plurality of little fins are arranged on the inwall of its upper end wall; Arch diffuser clip is in the slip slideway; The constant current switch power supply places in the power storehouse, and the power storehouse branch is positioned at the two ends of radiator, and the one end is pegged graft and is fixed in the radiator, and other end envelope has end cap.

2. according to claims 1 described high-power LED fluorescent light of thin-wall radiator, it is characterized in that: further comprising reflector, reflector is installed on the metal base circuit board, and the installing hole that its bottom surface has is enclosed within around the great power LED, and its reference column is inserted in the locating hole that has on the metal base circuit board.

3. according to claims 2 described high-power LED fluorescent light of thin-wall radiator, it is characterized in that: described reflector is that class is petal, the horizontal line that links together by a parabolical part with a parabolical part rotates a circle along the vertical line of horizontal end points and forms the rotational forming body, on rotational forming body bottom surface, open the installing hole of great power LED, in order to rotational forming body upper surface outer rim radius is the length of side, central shaft with the rotational forming body is the regular hexagon at center, from the upper end vertically run through and lateral resection rotational forming body after form the petal main body of class, two reference columns that are connected with circuit board are arranged on the main body bottom surface, and main body inner wall is provided with a plurality of arc male and fomale(M﹠F)s; Perhaps reflector is that positive hexagonal is cup-shaped, positive cup-shaped per two opposite faces of hexagonal are the face that same parabolical two symmetric part translations form, open the installing hole of great power LED on the bottom surface, two reference columns that are connected with circuit board are arranged on the bottom surface, the inwall of reflector is provided with a plurality of arc male and fomale(M﹠F)s, and the outer rim of upper surface is a plumb cut; Perhaps the reflector outer wall is that positive hexagonal is cup-shaped, inwall is the class truncated cone-shaped, open the installing hole of great power LED on the bottom surface, two reference columns that are connected with circuit board are arranged on the bottom surface, the outer rim of upper surface is a plumb cut, per two opposite faces of the outer surface that positive hexagonal is cup-shaped are the outer surface of the formed body of same parabolical two symmetric part translations formation, inwall be by a parabolical part along the rotate a circle inner surface of the rotational forming body that forms of the vertical line at the cup-shaped center of positive hexagonal, inwall is provided with a plurality of arc male and fomale(M﹠F)s.

4. according to claims 2 or 3 described high-power LED fluorescent light of thin-wall radiator, it is characterized in that: the material of making described reflector uses the surface to be plated the synthetic fire retardant of ABS of non-conductive material reflective membrane by ion beam sputtering deposition technology.

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