CN202158387U

CN202158387U - Improved LED tube

Info

Publication number: CN202158387U
Application number: CN2011202201755U
Authority: CN
Inventors: 徐定男
Original assignee: DONGGUAN A R NEW PHOTOELECTRIC TECHNOLOGY Co Ltd
Current assignee: DONGGUAN A R NEW PHOTOELECTRIC TECHNOLOGY Co Ltd
Priority date: 2011-06-27
Filing date: 2011-06-27
Publication date: 2012-03-07
Anticipated expiration: 2021-06-27

Abstract

The utility model relates to an improved LED tube, which belongs to the technical filed of LED lighting apparatuses. The improved LED tube comprises a plastic tube and an aluminum tube, which are mutually clamped and sleeved and form a rod-shaped tube. The aluminum tube is provided with a lamp bulb installing substrate having LED lamp bulbs. The inner wall of the plastic tube is provided with pits which are arranged in order along the circumferential wall and are in the shape of shallow slots. The pits extend along the axis direction of the plastic pipe. The connection part of adjacent pits is larger than two sides in thickness. Compared with the plastic tube with even thickness, the plastic tube with pits can increase the scattering angle of light, and the irradiation area of LED lamp tubes can be widened and dark-zone area can be reduced. The connection part of two adjacent pits is equal to a convex lens, which can prolong a luminous spot and further enhance the scattering effect of the plastic tube. The improved LED tub is high in light utilization rate and good in illumination effect.

Description

A kind of structure improved LED fluorescent tube

Technical field

The utility model relates to the LED technical field of lighting fixtures, relates in particular to a kind of structure improved LED fluorescent tube.

Background technology

Based on the characteristics of power saving and long service life, add the lifting of luminosity technology, the LED light emitting diode is applied to the important trend that lighting use has become present LED development.Because the volume of LED lamp grain is very little; The luminous lighting of single LED lamp grain yet can't be compared with general tin silk bulb, fluorescent lamp or existing lighting, therefore, and present LED lighting; All be that a plurality of LED lamp grains are combined, produce practical brightness of illumination by concentrating luminous; Yet; A plurality of LED lamp grains are integrated into concentrated luminous no doubt can reaching and the general identical illuminating effect of light fixture in the particular area; But its shortcoming is: include a plurality of " bright spots " (each LED lamp particle shape becomes a bright spot) in the particular area scope of this LED light fixture, should " bright spot " be easy to generate dazzle and make the people produce the soft inadequately visual effect of light.

With the LED fluorescent tube is example; The LED fluorescent tube generally is that a plurality of LED lamp grains are arranged in lamp grain installation base plate equably; When using the illumination of LED fluorescent tube; A plurality of LED lamp grains are worked simultaneously and are formed a plurality of " bright spots ", and moulding pipe and light and dark phenomenon can occurring of LED fluorescent tube the dark space can occur between two promptly adjacent LED lamp grains.

So the dark space and light utilization that improves the LED fluorescent tube and the illuminating effect that are produced when how to reduce the irradiation of LED fluorescent tube are necessary existing LED fluorescent tube is improved.

Summary of the invention

The purpose of the utility model is to the deficiency of prior art a kind of structure improved LED fluorescent tube to be provided, and this structure improved LED fluorescent tube can be widened the irradiated area of LED lamp grain, and then reduces the dark space area, light utilization height and good illumination effect.

For achieving the above object, the utility model is realized through following technical scheme.

A kind of structure improved LED fluorescent tube; Include mutual cutting ferrule and enclose dress up bar-shaped fluorescent tube mould the pipe and aluminum pipe; Aluminum pipe is fitted with lamp grain installation base plate, and lamp grain installation base plate is equipped with LED lamp grain, and the inwall of moulding pipe offers the pit that is arranged in order and is the shallow slot shape along perisporium; Pit extends along the axis direction of moulding pipe, and the thickness of the junction of two adjacent pits is big than the thickness of both sides.

Wherein, said middle part of moulding pipe offers the reflection lines of indentation, and the reflection lines extends along the axis direction of moulding pipe.

Wherein, the said pipe of moulding is moulded pipe for Merlon.

Wherein, said LED lamp grain is covered with lens, and lens are fixed in said lamp grain installation base plate.

The beneficial effect of the utility model is: the described a kind of structure improved LED fluorescent tube of the utility model; Include mutual cutting ferrule and enclose dress up bar-shaped fluorescent tube mould the pipe and aluminum pipe; Aluminum pipe is fitted with lamp grain installation base plate, and lamp grain installation base plate is equipped with LED lamp grain, and the inwall of moulding pipe offers the pit that is arranged in order and is the shallow slot shape along perisporium; Pit extends along the axis direction of moulding pipe, and the thickness of the junction of two adjacent pits is big than the thickness of both sides; Mould Guan Eryan uniformly with respect to thickness, offer the scattering angle that pipe can increase light of moulding of pit, and then widen the irradiated area of LED lamp grain and reduce the dark space area; Simultaneously, the junction of two adjacent pits is equivalent to convex lens, and this junction can prolong focal point, and then further strengthens the dispersion effect of moulding pipe.Comprehensive above-mentioned situation can be known, the utlity model has the advantage of light utilization height and good illumination effect.

Description of drawings

Utilize accompanying drawing to come the utility model is further described below, but the embodiment in the accompanying drawing does not constitute any restriction to the utility model.

Fig. 1 is the sectional schematic diagram of a kind of structure improved LED fluorescent tube of the utility model.

In Fig. 1, include:

1---moulds pipe 11---pits 12---reflection lines

2---aluminum pipe 3---lamp grain installation base plate 4---LED lamp grains

5---lens.

The specific embodiment

Come the utility model is further explained below in conjunction with embodiment.

Embodiment one, and is as shown in Figure 1, the structure improved LED fluorescent tube of present embodiment one; Include mutual cutting ferrule and enclose dress up bar-shaped fluorescent tube mould pipe 1 and aluminum pipe 2; Aluminum pipe 2 is fitted with lamp grain installation base plate 3, and lamp grain installation base plate 3 is equipped with LED lamp grain 4, and the inwall of moulding pipe 1 offers the pit 11 that is arranged in order and is the shallow slot shape along perisporium; Pit 11 extends along the axis direction of moulding pipe 1, and the thickness of the junction of two adjacent pits 11 is big than the thickness of both sides.

As shown in Figure 1, aluminum pipe 2 offer two with mould pipe 1 the corresponding card holding trough in long edge, during installation, mould and manage two long edge intercalations of 1 and be installed in the card holding trough of aluminum pipe 2, lamp grain installation base plate 3 is fixed in aluminum pipe 2; In addition, for improving the dispersion effect of LED lamp grain 4, present embodiment one can also be covered with lens 5 above LED lamp grain 4.Wherein, moulding pipe 1 can adopt the good Merlon of translucent effect (PC) to be prepared from.

When the structure improved LED fluorescent tube illumination that utilizes present embodiment one, mould Guan Eryan uniformly with respect to thickness, offer moulding pipe 1 and can increasing the scattering angle of light of pit 11, and then widen the irradiated area of LED lamp grain 4 and reduce the dark space area; Simultaneously, the junction of two adjacent pits 11 is equivalent to convex lens 5, and this junction can prolong focal point, and then further strengthens the dispersion effect of moulding pipe 1.Comprehensive above-mentioned situation can be known, the utlity model has the advantage of light utilization height and good illumination effect.

Embodiment two, and present embodiment two is with the difference of embodiment one: the middle part of moulding pipe 1 offers the reflection lines 12 of indentation, and reflection lines 12 extends along the axis direction of moulding pipe 1.As shown in Figure 1; Reflection lines 12 only is opened in the middle part of moulding pipe 1; During the reflecting surface of the reflection lines 12 of ray cast to the indentation that is sent when LED lamp grain 4; The part of light enters to through refraction and moulds pipe 1 inside and be transmitted through the external world, and another part of light is projected to after the reflecting surface reflection moulds pipe 1 both sides near aluminum pipe 2; So through the reflex of reflection lines 12, the whole pipe 1 entire body printing opacity of moulding can be avoided because the glare phenomenon that local " bright spot " produced so effectively during the structure improved LED lamp works of present embodiment two.

Above content is merely the preferred embodiment of the utility model; For those of ordinary skill in the art; According to the thought of the utility model, the part that on the specific embodiment and range of application, all can change, this description should not be construed as the restriction to the utility model.

Claims

1. structure improved LED fluorescent tube; Include mutual cutting ferrule and enclose dress up bar-shaped fluorescent tube mould pipe (1) and aluminum pipe (2); Aluminum pipe (2) is fitted with lamp grain installation base plate (3); Lamp grain installation base plate (3) is equipped with LED lamp grain (4); It is characterized in that: the inwall of moulding pipe (1) offers the pit (11) that is arranged in order and is the shallow slot shape along perisporium, and pit (11) extends along the axis direction of moulding pipe (1), and the thickness of the junction of adjacent two pits (11) is big than the thickness of both sides.

2. a kind of structure improved LED fluorescent tube according to claim 1 is characterized in that: said middle part of moulding pipe (1) offers the reflection lines (12) of indentation, and reflection lines (12) extends along the axis direction of moulding pipe (1).

3. a kind of structure improved LED fluorescent tube according to claim 2 is characterized in that: the said pipe (1) of moulding is moulded pipe for Merlon.

4. a kind of structure improved LED fluorescent tube according to claim 1, it is characterized in that: said LED lamp grain (4) is covered with lens (5), and lens (5) are fixed in said lamp grain installation base plate (3).